C語(yǔ)言上機(jī)題目

第一套.給定程序中建立一個(gè)帶有頭結(jié)點(diǎn)的單向鏈表,在main函數(shù)中將多次調(diào)用fun函數(shù),每調(diào)用一次firn函數(shù),輸出鏈表尾部結(jié)點(diǎn)中的數(shù)據(jù),并釋放該結(jié)點(diǎn),使鏈表縮短。#includc <stdio.h>#include <stdlib.h>#defineN8typedefstructlist{intdata;structlist*next;}SLIST;voidfun(SLIST*p){SLIST*t,*s;t=p->next;s=p;while(t->next!=NULL){S=t；/**********砧und**********/t=t-> 1 ;/?答案next*/prints"％d",—2_);/?答案t->data*/s->next=NULL;/**********えund**********/free( 3 工ノ?答案t*/}SLIST*creatlist(int*a){SLIST*h,*p,*q;inti;h=p=(SLIST*)malloc(sizeof(SLIST));fbr(i=O;i<N;i++){q=(SLIST*)malloc(sizeofi(SLIST));q->data=a[i];p->next=q;p=q;}p->next=0;returnh;}voidoutlist(SLIST*h){SLIST*p;p=h->next;if(p=NULL)printff\nThelistisNULL!\nM);else{printffへnHead")；do{printff->%d”p>data);p=p->next;}while(p!=NULL);printf(M->End\nH);))main(){SLIST*head;inta[N]={ll,12,15,18,l9,22,25,29};head=creatlist(a);printff'\nOutputfromhead:\nn);outlist(head);printf("ヽnOutputfromtail:\nn);while(head->next!=NULL){fun(head);printfi("\n\n")；printf(M\nOutputfromheadagain:\n");outlist(head);}}.給定程序MODI1.C中函數(shù)fon的功能是:將字符串中的字符按逆序輸出,但不改變字符串中的內(nèi)容。例如,若字符串為abed,則應(yīng)輸出deba.include<stdio.h>fun(chara) /?答案fun(char*a)*/{if(*a){fun(a+l);printf(M%c"*a);/?答案printf("%cM,*a)*/})main(){chars[10]="abcdH;primf("處理前字符串=%s\n處理后字符串=",s);fun(s);printf(”\n");}.請(qǐng)編寫ー個(gè)函數(shù)fun,它的功能是:比較兩個(gè)字符串的長(zhǎng)度,(不得調(diào)用c語(yǔ)言提供的求字符串長(zhǎng)度的函數(shù)),函數(shù)返回較長(zhǎng)的字符串。若兩個(gè)字符串長(zhǎng)度相同,則返回第一個(gè)字符串。例如輸入beijingvCR>shanghai〈CR>(vCR>為回車鍵)，函數(shù)將返回shanghai〇#includc<stdio.h>char*fun(char*s,char*t)(}main(){chara[20],b[20];voidNONO();printff'Input1thstring:**);gets(a);printfi[**Input2thstring:**);gets(b);printf(**%s\n**,fun(a,b));NONO();}voidNONO(){FILE*fp,*wf;inti;chara[20],b[20];fp=fbpen(**C:\\WEXAM\\24990001\\in.dat**,**r**);wf=fbpen(**C:\\WEXAM\\24990001Wout.dat**,**w");fbr(i=0;i<10;i++){fscanfiffp,**%s%s**,a,b);fprintRwf,"％s\n**,fun(a,b));}fclose(fp);fclose(wf);}第二套.給定程序中已建立一個(gè)帶有頭結(jié)點(diǎn)的單向鏈表,鏈表中的各結(jié)點(diǎn)按數(shù)據(jù)域遞增有序連接。函數(shù)fun的功能是:刪除鏈表中數(shù)據(jù)域值相同的結(jié)點(diǎn),使之只保留一個(gè)。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除，使程序得出正確的結(jié)果。#include <stdio.h>#include <stdlib.h>#defineN8typedefstructlist{intdata;structlist*next;}SLIST;voidfun(SLIST*h){SLIST*p,*q;p=h->next;if(p!=NULL){q=p->next;while(q!=NULL){if(p->data=q->data){p->next=q->next;free( 1 );/?答案free(q)/q=p-> 2 ;〃答案q=p->nextelse{p=q;/**********fk)und**********/q=q-> 3 ;〃答案q=q->next}}}}SLIST*creatlist(int*a){SLIST*h,*p,*q;inti;h=p=(SLIST*)malloc(sizeof(SLIST));fbr(i=O;i<N;i++){q=(SLIST*)malloc(sizeof(SLIST));q->data=a[i];p->next=q;p=q;}p->next=O;retumh;}voidoutlist(SLIST*h){SLIST*p;p=h->next;if(p=NULL)printf(M\nThelistisNULL!\nM);else{printグ\nHead")；do{printff?>%d”,p?>data);p=p->next;}while(p!=NULL);printfi(,'->End\n");}}main(){SLIST*head;inta[N]={1,2,2,3,4,445};head=creatlist(a);printfi(H\nThelistbeforedeleting:\nH);outlist(head);fun(head);printffヘnThelistafterdeleting:\nM);outlist(head);.給定程序MODI1.C中函數(shù)fim的功能是:用選擇法對(duì)數(shù)組中的n個(gè)元素按從小到大的順序進(jìn)行排序。請(qǐng)修改程序中的錯(cuò)誤,使它能得出正確的結(jié)果。include<stdio.h>#defineN20voidfun(inta[],intn){inti,j,t,p;fbr(j=Oj<n-lJ++){/************Cund************/P=j〃答案p=j；for(i=j+l;i<n;i")iRa[i]<a[p])/************f^und************/p=j；//^Mp=it=a[p];a[p]=a[j];a[j]=t;main(){inta[N]={9,6,8,3,-l},i,m=5;printf("排序前的數(shù)據(jù):“)；fbr(i=0;i<m;i++)printf(M%d0,a[i]);printf(H\n");fun(a,m);primf("排序后的數(shù)據(jù):");fbr(i=0;i<m;i++)printf(”％d”,a[i]);prin氓”\n");}3.請(qǐng)編寫ー個(gè)函數(shù)firn,它的功能是:求出1到m之間(含m)能被7或11整除的所有整數(shù)放在數(shù)組a中,通過(guò)n返回這些數(shù)的個(gè)數(shù)。例如,若傳送給m的值為50,則程序輸出:711142122283335424449注意:部分源程序存在文件PROG1.C中。請(qǐng)勿改動(dòng)主函數(shù)main和其它函數(shù)中的任何內(nèi)容,僅在函數(shù)fun的花括號(hào)中填入你編寫的若干語(yǔ)句。#include<stdio.h>#defineM100voidfun(intm,int*a,int*n)main(){intaa[M],n,k;voidNONO();fun(50,aa,&n);for(k=0;k<n;k-H-)ifi((k+l)%20==0)printffW”)；elseprintfif”％4d”，aa[k]);printffW”);NONO();}voidNONO(){FILE*fp,*wf;inti,n,j,k,aa[M],sum;fp=fopen(”C:\\WEXAM\\24990001\\in.dat”,”r”);wf=fopen(”C:\\WEXAM\\24990001Wout.dat”,”w”);for(i=0;i<10;i-H-){fscanf(fp,M%d,",&j);fun(j,aa,&n);sum=0;for(k=0;k<n;k卄)sum+=aa[k];fprintf(wf,"%d\nH,sum);}fclose(fp);fclose(wf);}第三套1.給定程序中,函數(shù)fun的功能是:在帶有頭結(jié)點(diǎn)的單向鏈表中,查找數(shù)據(jù)域中值為ch的結(jié)點(diǎn)，找出后通過(guò)函數(shù)值返回該結(jié)點(diǎn)在鏈表中所處的順序號(hào)，若不存在值為ch的結(jié)點(diǎn),函數(shù)返回〇值。include<stdio.h>

#include<stdlib.h>#defineN8typedefstructlist{intdata;structlist*next;}SLIST;SLIST*creatlist(char*);voidoutlist(SLIST*);intfun(SLIST*h,charch){SLIST*p;{SLIST*p;intn=O;p=h->next;/********** nd**********/while(p!= /********** nd**********/while(p!= 1 )〃答案while(p!=0){ n++;if(p->data=ch)return 2 ;〃答案returnnelsep=p->next;return0;main(){SLIST*head;intk;main(){SLIST*head;intk;charch;chara[N]={'m,；p,；g,；a7w7xVr7d,};head=creatlist(a);outlist(head);printfif”Enteraletter:M);scanff%c”,&ch);k=fun(3);〃答案fun(head,ch)if(k=O)printf(n\nNotfbund!\nM);elseprintff'Thesequencenumberis:%d\n",k);else}SLIST*creatlist(char*a){SLIST*h,*p,*q;inti;h=p=(SLIST*)malloc(sizeof(SLIST));fbr(i=O;i<N;i-H-){q=(SLIST*)malloc(sizeof(SLIST));q->data=a[i];p->next=q;p=q;p->next=0;retumh;voidoutlist(SLIST*h){SLIST*p;p=h->next;if(p==NULL)printff\nThelistisNULL!\nM);else{printff\nHead”)；do{printfi(M->%c",p->data);p=p->next;}while(p!=NULL);printfC?>End\n");}請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。.給定程序MODH.C中函數(shù)fun的功能是:刪除p所指字符串中的所有空白字符(包括制表符、回車符及換行符)。輸入字符串時(shí)用‘#‘結(jié)束輸入。請(qǐng)改正程序中的錯(cuò)誤,使它能輸出正確的結(jié)果。#includc<string.h>#include<stdio.h>#includc<ctype.h>fun(char*p){inti,t;charc[80];/************Cund************/For(i=0,t=0;p[i];i-H-)〃答案fbrif(!isspace(*(p+i)))c[t-H-]=p[i];c[t]=w\Ow;〃答案、〇，strcpy(p,c);main(){charc,s[80];inti=O;printf(MInputastring:M);c=getchar();while(c!='#'){s[i]=c;i-*-+;c=getchar();}s[i]-\O*;fun(s);puts(s);).請(qǐng)編寫ー個(gè)函數(shù)fiin,它的功能是:將ss所指字符串中所有下標(biāo)為奇數(shù)位置上的字母轉(zhuǎn)換為大寫(若該位置上不是字母,則不轉(zhuǎn)換)。例如:若輸入“abc4EFg,則應(yīng)輸出“aBc4EFgゝ#include<stdio.h>#include<string.h>voidfun(char*ss)}main(){chartt[81];voidNONO();printfif"\nPleaseenteranstringwithin80characters:\nH);gets(tt);printsM\n\nAfterchanging,thestring\n\M%sV,w,tt);fun(tt);printsH\nbecomes\n\M%s\"\nM,tt);NONO();}voidNONO(){FILE*fp,*wf;chartt[81];inti;fp=fbpen(”C:\\WEXAM\\24990001\\in.dat”,“r”);wf=fbpen(HC:\\WEXAMW24990001Wout.daf/w'1);fbr(i=0;i<10;i-H-){fscanffip,"%sw,tt);fun(tt);fprintf(wf,M%s\nM,tt);}fclose(fp);fclose(wf);)第四套1.給定程序中,函數(shù)fim的功能是:統(tǒng)計(jì)出帶有頭結(jié)點(diǎn)的單向鏈表中結(jié)點(diǎn)的個(gè)數(shù),存放在形參n所指的存儲(chǔ)単元中。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#include <stdio.h>#includc <stdlib.h>#defineN8typedefstructlist{intdata;structlist*next;}SLIST;SLIST*creatlist(int*a);voidoutlist(SLIST*);voidfun(SLIST*h,int*n){SLIST*p;/**********えund**********/—1_=0;〃答案?n=0p=h->next;whilc(p){(々)++；p=p-> 2 ;〃答案next}}main(){SLIST*head;inta[N]={l2,87,45,32,91,16,20,48},num;head=creatlist(a);outlist(head);/********************/fun( 3 ,&num);〃答案fun(head,&num)printヘnnumber=%d\n”,num);)SLIST*creatlist(inta[]){SLIST*h,*p,*q；inti;h=p=(SLIST*)malloc(sizeof(SLIST));fbr(i=0;i<N;i++){q=(SLIST*)malloc(sizeofi[SLIST));q->data=a[i];p->next=q;p=q;}p->next=0;retumh;}voidoutlist(SLIST*h){SLIST*p;p=h->next;if(p==NULL)printffThelistisNULL!\nH);else{printf(M\nHeadM);do{printf(,,->%dH,p->data);p=p->next;}while(p!=NULL);printff?>End\n”)；}}.給定程序MODI1.C中函數(shù)fun的功能是:求出s所指字符串中最后一次出現(xiàn)的t所指子字符串中的地址,通過(guò)函數(shù)值返回,在主函數(shù)中輸出從此地址開(kāi)始的字符串若未找到,則函數(shù)值為NULL.例如,當(dāng)字符串中的內(nèi)容為:“abcdabfhbcdx't中的內(nèi)容為:“ab”時(shí),輸出結(jié)果應(yīng)是:abcdx.當(dāng)字符串中的內(nèi)容為，，abcdabfabcdズ,t中的內(nèi)容為:“abd”時(shí),則程序輸出未找到信息notbefound!〇#include<stdio.h>#includc<string.h>char*fun(char*s,char*t){char*p,*r,*a;/************Cund************/a=Null;〃答案a=NULLwhile(*s){p=s;r=t;while(*r)/************^QUpjJ****?*??****/if(r=p)//答案if(*r=*p){什+;pf}elsebreak;if(*r=W)a=s;s4-+;)returna;}main(){chars[100],t[100],*p;print電ヘnPleaseenterstringS:”)；scanf("％s”,s);printffへnPleaseentersubstringt:”)；scanff'%s"，t);P=fun(s,t);if(p)printfC'\nTheresultis:%s\n",p);elseprintf("\nNotfound!\n");}.函數(shù)ftm的功能是:將兩個(gè)兩位數(shù)的正整數(shù)a、b合并形成一個(gè)整數(shù)放在c中。合并的方式是:將a數(shù)的十位和個(gè)位依次放在c數(shù)的H立和千位上,b數(shù)的十位和個(gè)位數(shù)依次放在c數(shù)的百位和個(gè)位上。例如：當(dāng)a=45,b=12時(shí),調(diào)用該函數(shù)后,c=5142#include<stdio.h>voidfun(inta,intb,long*c)()main(){inta,b;longc;voidNONO();printfflnputab:n);scanf("%d%dM,&a,&b);fun(a,b,&c);printf(MTheresultis:%ld\n”，c);NONO();}voidNONO(){FILE*rf,*wf;inti,a,b;longc;rf=fbpcn("C:\\WEXAM\\24990001Win.dat",什“);wf=fbpen(,,C:\\WEXAM\\24990001\\out.datH；,w");fbr(i=0;i<10;i-H-){代canRrf,"％d,%d”,&a,&b);fun(a,b,&c);fprintfi(wf,Ma=%d,b=%d,c=%ld\nH,a,b,c);)fclose(rf);fclose(wf);}第五套1.給定程序中,函數(shù)fun的功能是:計(jì)算出帶有頭結(jié)點(diǎn)的單向鏈表中各結(jié)點(diǎn)數(shù)據(jù)域中值之和作為函數(shù)值返回。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把ド劃線刪除,使程序得出正確的結(jié)果。#include <stdio.h>#include <stdlib.h>#defineN8typedefstructlist{intdata;structlist*next;}SLIST;SLIST*creatlist(int*);voidoutlist(SLIST*);intfun(SLIST*h){SLIST*p; ints=0;p=h->next;while(p)(/**********偽und**********/s+=p-> 1 ;〃答案data/**********えund**********/p=p-> 2 ;//答案next}returns;}main(){SLIST*head;inta[N]={l2,87,45,32,91,16,20,48);head=creatlist(a);outlist(head);/**********^Qund**********/printf("\nsum=%d\n”，fun( 3 ));〃答案fun(head))}SLIST*creatlist(inta[]){SLIST*h,*p,*q;inti;h=p=(SLIST*)malloc(sizeof(SLIST));fbr(i=O;i<N;i++){q=(SLIST*)malloc(sizeof(SLIST));q->data=a[i];p->next=q;p=q;}p->next=0;retumh;}voidoutlist(SLIST*h){SLIST*p;p=h->next;if(p==NULL)printffThelistisNULL!\nn);else{printfi(n\nHead");do{printfC->%dH,p->data);p=p->next;}while(p!=NULL);printffし〉End\n")；)}2.給定程序MODI1.C中函數(shù)ftm的功能是:將s所指字符串中出現(xiàn)的與tl所指字符串相同的字串全部替換成t2所指字符串,所形成的新串放在w所指的數(shù)組中。在此處,要求tl和t2所指字符串的長(zhǎng)度相同。例如:當(dāng)s所指字符串中的內(nèi)容為:“abcdabfab”,tl所指子串中的內(nèi)容為：“ab”,t2所指子串的內(nèi)容為:“99”時(shí),結(jié)果在w所指的數(shù)組中的內(nèi)容應(yīng)為:"99cd99f99”。請(qǐng)改正程序中的錯(cuò)誤，使它能得出正確的結(jié)果。#includc<stdio.h>#include<string.h>voidfun(char*s,char*tl,char*t2,char*w){char*p,*r,*a;strcpy(w,s);while(*w){p=w;r=tl;while(r)if(*r=*p){r++;p++；}elsebreak;if(*r=,\O,){a=w;r=t2;while(*r){/************えund************/*a=*r;a++;r-H-)w+=strlen(t2);)elsew-h-;))main(){chars[100],tl[100],t2[100],w[100];printf(H\nPleaseenterstringS:");scanf(u%sH,s);printff'\nPleaseentersubstringtl:n);scanff'%s”，tl);printf("\nPleaseentersubstring⑵り;scanff%s”，t2);if(strlen(tl)==strlen(t2)){fun(s,tl,t2,w);printffWTheresultis:%s\nM,w);}elseprintfif*Error:strlen(tl)!=strlen(t2)\nM);}3.函數(shù)fun的功能是:將s所指字符串中下標(biāo)為偶數(shù)的字符刪除,串中剩余字符形成的新串放在t所指數(shù)組中。例如,當(dāng)s所指字符串中的內(nèi)容為:“ABCDEFGHIHK”,在t所指數(shù)組中的內(nèi)容應(yīng)是:‘'BDFHJ”。#include<stdio.h>#include<string.h>

voidfun(char*s,chart[])main(){chars[100],t[100];voidNONO();printf(H\nPleaseenterstringS:H);scanf("%sH,s);fun(s,t);printf("\nTheresultis:%s\nM,t);NONO();}voidNONO(){chars[l00],t[l00];FILE*rf,*wf;inti;rf=fbpen("C:\\WEXAM\\24990001\\in.datM,Mr");wf=fbpen(”C:\\WEXAM\\24990001\\out.dat”Jw“);for(i=0;i<10;i++){たcanRrf,"％s"，s);fun(s,t);fprintf(wf,M%s\nM,t);}fclose(rf);fclose(wf);}第六套.人員的記錄由編號(hào)和出生年、月、日組成,N名人員的數(shù)據(jù)已在主函數(shù)中存入結(jié)構(gòu)體數(shù)組std中,且編號(hào)唯一。函數(shù)fun的功能是:找出指定編號(hào)人員的數(shù)據(jù),作為函數(shù)值返回,由主函數(shù)輸出,若指定編號(hào)不存在,返回?cái)?shù)據(jù)中的編號(hào)為空串。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#include#includc#include#includc#definetypcdcf{char<string.h>N8structnum[l0];intyear,month,day;}STU;/********************/1 fun(STU*std,char*num){inti{inti；STUa={T9999,99,99};for(i=0;i<N;i++)/**********l^ound**********/if(strcmp( 2 ,num)==0)〃答案std[i].num/**********^Qund**********/return( 3 );〃答案std[i]returna;}main(){STUstd[N]={{”11111ド,1984,2,15},{“222222”,1983,9,21},{“333333”,1984,9,1},「444444”,1983,7,15},{“555555”,1984,9,28},{“666666”,1983,11,15},{“7777771983,6,22},{“888888”,1984,8,19}};STUp;charn[10]=”666666”；p=fiin(std,n);ifi(p.num[0]=0)printfC\nNotfound!\n”)；else{printf("\nSucceed!\nり;printfi(”％s %d-%d-%d\nH,p.num,p.year,p.month,p.day);}}.給定程序M0DI1.C中函數(shù)fun的功能是:從s所指字符串中,找出與t所指字符串相同的字串的個(gè)數(shù)為函數(shù)值返回。例如:當(dāng)s所指字符串中的內(nèi)容為:“abcdabfab”，t所指字符串的內(nèi)容為:“ab”,則函數(shù)返回整數(shù)3.請(qǐng)改正程序中的錯(cuò)誤,使它能地出正確的結(jié)果。#includc<stdio.h>#include<string.h>intfiin(char*s,char*t){intn;char*p,*r;n=0;while(*s){P=s;r=t;while(*r)if(*r==*p){rH-；p++〃答案;)elsebreak;if(r=,\O,)〃答案?r=1\(Tn++;s++;)returnn;}main(){chars[100],t[100];intm;printffへnPleaseenterstringS:M);scanf(**%sH,s);printffヘnPleaseentersubstringt:");scanグ％s"，F(xiàn));m=fun(s,t);printf(H\nTheresultis:m=%d\nH,m);}.函數(shù)fun的功能是:將s所指字符串中ASCII值為偶數(shù)的字符刪除,串中剩余字符形成ー個(gè)新串放在t所指的數(shù)組中。 例如,若所指字符串中的內(nèi)容為:”.ABCDEFG12345”,其中字符B的ASCII碼值為偶數(shù)、…、字符2的ASCII碼值為偶數(shù)、…都應(yīng)刪除,其它以此類推。最后t所指的數(shù)組中的內(nèi)容應(yīng)是:“AGEFG135”。注意：部分源程序存在文件PROG1.C中。 請(qǐng)無(wú)改動(dòng)主函數(shù)中的任何內(nèi)容,盡在函數(shù)firn的花括號(hào)中填入你編寫的若干語(yǔ)句。#include<stdio.h>#include<string.h>voidfiin(char*s,chart[])(}main(){voidNONO();chars[100],t[100];printffヘnPleaseenterstringS:");scanff'%s"，s);fun(s,t);printfifWheresultis:%s\n”，t);NONO();}voidNONO(){chars[l00],t[l00];FILE*rf,*wf;inti;rf=fbpen("C:\\WEXAM\\249900OIWin.daピ,ケ”);wf=fopen(MC:\\WEXAM\\24990001\\out.datn,Mw");fbr(i=0;i<10;i-H-){fscanfifrf,M%sM,s);fun(s,t);fprintf<wf,"%s\nH,t);}fclose(rf);fclose(wf);}第七套.人員的記錄由編號(hào)和出生年、月、日組成,N名人員的數(shù)據(jù)已在主函數(shù)中存入結(jié)構(gòu)體數(shù)組std中,且編號(hào)唯一。函數(shù)fun的功能是:找出指定出生年份的人員,將其數(shù)據(jù)放在形參k所指的數(shù)組中，由主函數(shù)輸出，同時(shí)由函數(shù)值返回滿足指定條件的人數(shù)。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把卜ー劃線刪除,使程序得出正確的結(jié)果。#include<stdio.h>#defineN8typedefstruct{intnum;intyear,month,day;}STU;intfun(STU*std,STU*k,intyear){inti,n=0;for(i=0;i<N;i")if( 1=year)〃答案iRstd[i].year=year)k-n++]= 2 ;〃答案k[n++]=std[i]/********************/return( 3 );〃答案return(n)}main(){STUstd[N]={{1,1984,2,15},{2,1983,9,21},{3,1984,9,1},{4,1983,7,15},{5,1985,9,28},{6,1982,11,15},{7,1982,6,22},{8,1984,8,19}};STUk[N];inti,n,year;printf(HEnterayear:")；scanff'%d”,&year);n=fun(std,k,year);ifi(n=0)printグ\nNopersonwasbomin%d\n”,year);else{printfi("\nThesepersonswerebomin%d\n”,year);for(i=0;i<n;i++)printf(H%d%d-%d-%d\nH,k[i].num,k[i].year,k[i].month,k[i].day)}).給定程序MODI1.C的功能是:讀入ー個(gè)整數(shù)k(2WkW10000),打印它的所有質(zhì)因子(即所有為素?cái)?shù)的因子)。例如,若輸入整數(shù)：2310,則應(yīng)輸出：2、3、5、7、11.請(qǐng)改正程序中的語(yǔ)法錯(cuò)誤，使程序能得出正確的結(jié)果。#include<stdio.h>IsPrime(intn);〃答案IsPrime(intn){inti,m;m=1;for(i=2;i<n;i-H-)if!(n%i)〃答案if(!(n%i)){m=0;break; }return(m);}main(){intj,k;printf(H\nPleaseenteranintegernumberbetween2and10000:n);scan出n%d",&k);printRH\n\nTheprimefactor(s)of%dis(are):"，k);for(j=2;j<=k;j++)iR(!(k%j))&&(IsPrime(j)))prints"\n%4dH,j);printfi[“\n");}.已知學(xué)生的記錄由學(xué)號(hào)和學(xué)習(xí)成績(jī)構(gòu)成,N名學(xué)生的數(shù)據(jù)已存入結(jié)構(gòu)體數(shù)組a中,請(qǐng)編寫函數(shù)firn,函數(shù)的功能是:找出成績(jī)最高的學(xué)生記錄,通過(guò)形參指針傳回主函數(shù)(規(guī)定只有一個(gè)最高分)。已給出函數(shù)的首部,請(qǐng)完成該函數(shù).#include<stdio.h>#includc<string.h>#defineN10typedefstructss{charnum[10];ints;}STU;voidfiin(STUa[],STU*s)main(){voidNONO();STU a[N]={ {”A0「’,81},{“A02”,89},{“A03”,66},{“A04”,87},{“A05”,77},ドA06:90},ドA07”,79},{“A08”,61},{“A09”,80},{“A10”,71}},m;inti;printf(H*****Theoriginaldata*****\nM);for(i=0;i<N;i-H-)printff'No=%sMark=%d\nH,a[i].num,a[i].s);ftin(a,&m);printf(M*****THERESULT*****\n");printf(MThetop:%s,%d\n\m.num,m.s);NONO();}voidNONO(){FILE*rf,*wf;STUa[N],m;inti;rf=fopen(”C:\\WEXAM\\24990001Win.dat",“r“);wf=fopen(”C:\\WEXAM\\24990001\\out.dat”Jw“);for(i=0;i<10;i++)fscanf(rf,H%s%d",a[i].num,&a[i].s);fiin(a,&m);fprintf(wf,"Thetop:%s,%d\n",m.num,m.s);fclose(rf);fclose(wf);}

第八套.給定程序通過(guò)定義并賦初值的方式,利用結(jié)構(gòu)體變量存儲(chǔ)了一名學(xué)生的學(xué)號(hào)、姓名和3門課的成績(jī)。函數(shù)ftin的功能是將該學(xué)生的各科成績(jī)都乘以ー個(gè)系數(shù)ao請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#include<stdio.h>typedcfstruct{intnum;charname[9];floatscore[3];}STU;voidshow(STUtt){inti;printf(,,%d%s:H,tt.num,);fbr(i=O;i<3;i++)printff'%5.1F,tt.score[i]);printff'\n");}/**********fk)und**********/voidmodify( 1 *ss,floata)〃答案STU{inti;for(i=0;i<3;i++)/**********えund**********/ss-> 2 *=a;//ss->score[i]ss-> 2 *=a;//ss->score[i]main(){STUstd={l,MZhanghuan,76.5,78.0,82.0};floata;printfi(M\nTheoriginalnumberandnameandscores:\nH);show(std);printffへnlnputanumber: ")；seanff'%F,&a);/**********偽und**********/modify( 3 ,a);〃答案modify(&std,a)printffヘnAresultofmodifying:\n");show(std);.給定程序MODI1.C中函數(shù)fun的功能是：求k!(kV13),所求階乘的值作為函數(shù)值返回。例如:若k=10,則應(yīng)輸出362880〇.請(qǐng)改正程序中的錯(cuò)誤,使它能得出正確的結(jié)果。#include<stdio.h>longfun(intk){/************ ************/ifk>0〃答案ifk>0〃答案if(k>0)return(k*fun(k-l));elseif(k=0) 〃答案elseif(k=0)returnIL;elsereturnIL;main(){intk=10;printf(,,%d!=%ld\nM,k,fun(k));}.程序定義了NxN的二維數(shù)組,并在主函數(shù)中自動(dòng)賦值。請(qǐng)編寫函數(shù)ftm(inta[][N],intn),函數(shù)的功能是:使數(shù)組左下三角元素中的值乘以n。例如:若n的值為3,a數(shù)組中的值為則返回主程序后a數(shù)組中的值應(yīng)為注意:部分源程序存在文件PROG1.C中。#include<stdio.h>#includc<stdlib.h>#defineN5voidfun(inta[][N],intn)(}main(){voidNONO();inta[N][N],n,i,j;printfif******Thearray*****\nH);fbr(i=O;i<N;i++){for(j=O;j<N;j++){a[i皿=rand()%10;printf(M%4dM,a[i][j]);}printffW”)；}don=rand()%10;while(n>=3);printff'n=%4d\nH,n);fun(a,n);printf(M*****THERESULT*****\nM);for(i=0;i<N;i-H-){for(j=O；j<N;j++)printf(”％4d”,a[i][j]);printf(M\nM);}NONO();}voidNONO(){FILE*rf,*wf;inti,j,n,a[5][5];rf=fopen(”C:\\WEXAM\\24990001Win.dat“，“r”);wf=fopen(nC:\\WEXAM\\24990001\\out.dar,"wM);for(i=0;i<5;i++)for(j=0；j<5;j++)fscanRrf,"％dM,&a[i][j]);fscanfi(rf,"％d”,&n);fun(a,n);for(i=0;iv5;i++){for(j=0；j<5;j++)mrimf(wf,"％4d”,a[i][j]);fprintf(wf,,,\nM);}fclose(rf);fclose(wf);}第九套.給定程序中,函數(shù)Rm的功能是:將形參指針?biāo)附Y(jié)構(gòu)體數(shù)組中的三個(gè)元素按num成員進(jìn)行升序排列。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#include<stdio.h>typedefstruct{intnum;charname[10];}PERSON;/**********飴und**********/voidfun(PERSON 1 ) 〃答案?std

_2_temp;〃答案PERSONifl(std[O].num>std[l].num){temp=std[0];std[O]=std[l];std[l]=temp;}if(std[0].num>std[2].num){temp=std[0];std[0]=std[2];std[2]=temp;}if{std[1].num>std[2].num){temp=std[l];std[l]=std[2];std[2]=temp;}}main(){PERSONstd[]={5,"Zhanghu”2"WangLi”,6JLinMin”};inti;/**********えund**********/fun( 3 );〃答案fun(std)printf(n\nTheresultis:\n“)；fbr(i=O;i<3;i++)print吋％d,%s\n”,std[i].num,std[i].name);}.給定程序MODH.C中函數(shù)fun的功能是:將m(lSmWO)個(gè)字符串連接起來(lái),組成一個(gè)新串,放入pt所指存儲(chǔ)區(qū)中。例如:把3個(gè)串:“abc"JCD"JEF，連接起來(lái),結(jié)果是“abcCDEFヽ請(qǐng)改正程序中的錯(cuò)誤,使它得出正確的結(jié)果。#include<stdio.h>#includc<string.h>voidfun(charstr[][10],intm,char*pt){/************************/Intk,q,i;Intk,q,i;〃答案intfbr(k=0;k<m;k-H-){q=strlen(str[k]);fbr(i=0;i<q;i++)/************fbund************/pt[i]=str[k,i];〃答案str[k][i]pt+=q；pt[O]=0;})main(){intm,h;chars[10][10],p[120];pr血Rn\nPleaseenterm:“)；scanff'%d"，&m);gets(s[O]);printflfH\nPleaseenter%dstring:\nH,m);fbr(h=0;h<m;h-H-)gets(s[h]);fiin(s,m,p);printsM\nTheresultis:%s\n”，p);.程序定義了NxN的二維數(shù)組,并在主函數(shù)中自動(dòng)賦值。請(qǐng)編寫函數(shù)函數(shù)的功能是:使數(shù)組左下三角元素中的值全部置成O.例如:a數(shù)組中的值為則返回主程序后a數(shù)組中的值應(yīng)為注意:部分源程序存在文件PROG1.C中。#include<stdio.h>#includc<stdlib.h>#defineN5voidfun(inta[][N]){)main()(voidNONO();inta[N][N],i,j;printff'*****Thearray*****\nM);fbr(i=0;i<N;i++){fbr(j=O；j<N;j++){a[i][j]=rand()%10;printfifM%4dM,a[i][j]);}printffW")；}fun(a);printf("THERESULTXn")；for(i=0;i<N;i-H-){for(j=0;j<N;j-H-)prints"％4d"，a[i][j]);printfC\n”);}NONO();}voidNONO(){FILE*rf,*wf;inti,j,a[5][5];rf=fopen("C:\\WEXAM\\24990001\\in.dat，7,r");wf=fopen(”C:\\WEXAM\\24990001Wout.daピJw”)；for(i=0;i<5;i++)for(j=0;j<5;j++)fscanf(rf,M%d&a[i][j]);fiin(a);for(i=0;i<5;i-H-){for(j=0；j<5;j++)mrintRwf,"％4d”,a[i][j]);fprintftwf,"\nM);}fclose(rf);fclose(wf);}第十套.給定程序中,函數(shù)fun的功能是:將形參std所指結(jié)構(gòu)體數(shù)組中的年齡最大者的數(shù)據(jù)作為函數(shù)值返回,并在main函數(shù)中輸出。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把ド劃線刪除,使程序得出正確的結(jié)果。#include<stdio.h>typedefstruct{charname[10];intage;}STD;STDfun(STDstd[],intn){STDmax;inti;/**********f^jund**********/max= 1 ;〃答案?stdfor(i=l;i<n;i++)/**********飴und**********/ifi(max.age< 2 )max=std[i];〃答案std[i].agcreturnmax;main(){STDstd[5]={naaaM,l7,MbbbM,l6,McccM,l8,Mddd",l7,HeeeH,15};STDmax;max=fun(std,5);printf("\nTheresult:\nM);printf(H\nName:%s,Age:%d\nM, 3 ,max.age);〃答案.給定程序NODI1.C中函數(shù)fun的功能是:實(shí)現(xiàn)兩個(gè)整數(shù)的交換。例如:給a和b分別輸入:60和65,輸出為a=65b=6〇.請(qǐng)改正程序中的錯(cuò)誤,使它能得出正確的結(jié)果。#include<stdio.h>voidfun(inta,b)〃答案voidfun(int*a,int*b){intt;/**********3und**********/t=b;b=a; a=t; 〃答案t=*b;*b=*a;*a=tmain(){inta,b;printf(MEntera,b:M);scanf("％d,%d”，&a,&b);fun(&a,&b);printf(Ma=%db=%d\nヽa,b);.請(qǐng)編寫ー個(gè)函數(shù)voidfun(inttt[M][N],intpp[N]),tt指向ー個(gè)M行N列的二維數(shù)組,求出ニ維數(shù)組每列中最小元素,并依次放入pp所指ー維數(shù)組中。二維數(shù)組中的數(shù)已在主函數(shù)中賦予。#include<stdio.h>#defineM3#defineN4voidfun(inttt[M][N],intpp[N])main(){voidNONO();intt[M][N]={{22,45,56,3〇},{19,33,45,38},{20,22,66,40}};intp[N],i,j,k;printf("Theoriginaldatais:\n");fbr(i=0;i<M;i++){fbr(j=O；j<N;j++)printf(”％6d“,t[i][j]);prints"\nM);}fun(t,p);printf("\nTheresultis:\n");for(k=0;k<N;k-H-)printf(M%4dH,p[k]);printf(M\nM);NONO();}voidNONO(){inti,j,k,m,t[M][N],p[N];FILE*rf,*wf;rf=fopcn(',C:\\WEXAM\\24990001\\in.dat,,,Y');wf=fopen(MC:\\WEXAM\\24990001\\out.datn,MwH);for(m=0;m<10;m-H-){for(i=0;i<M;i-H-){fbr(j=O；j<N;j++)fscanf(rf,,,%6dM,&t[i][j]);}fun(t,p);for(k=0;k<N;k++)fprintf(wf,"%4du,p[k]);fprintf(wf,n\nM);)fclose(rf);fclose(wf);}第十一套.程序通過(guò)定義并賦初值的方式,利用結(jié)構(gòu)體變量存儲(chǔ)了一名學(xué)生的信息。函數(shù)ftin的功能是輸出這位學(xué)生的信息。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#includc<stdio.h>typedefstruct{intnum;charname[9];charsex;struct{intyear,month,day;}birthday;floatscore[3];}STU;voidshow(STU_1_)〃答案tt{inti;printff'\n%d%s%c%d-%d-%d",tt.num,,tt.sex,tt.birthday.year,tt.birthday.month,tt.birthday.day);for(i=0;i<3;i-H-)/**********l^ound**********/printfl["%5.1f',_2_);〃答案tt.score[i]printf("\n");)main(){STUstd={1/'Zhanghua'VM*,1961,10,8,76.5,78.0,82.0};printffへnAstudentdata:\nM);/**********於und**********/show( 3 );〃答案std}.給定程序MODI1.C中函數(shù)fun的功能是:求出數(shù)組中最大數(shù)和次最大數(shù),并把最大數(shù)和a[0]中的數(shù)對(duì)調(diào)、次最大數(shù)和a[l]中的數(shù)對(duì)調(diào)。請(qǐng)改正程序中的錯(cuò)誤,使它能得出正確的結(jié)果。#include<stdio.h>#defineN20

voidfun(int*a,intn){inti,m,t,k;fbr(i=0;i<2;i-H-){m=0;〃答案m=0;〃答案m=ifbr(k=i+l;k〈n;k++)ifl[a[k]>a[m])k=m;〃答案m=kt=a[i];a[i]=a[m];a[m]=t;}}main(){intb[N]={11,5,12,0,3,6,9,7,10,8},n=l0,i;fbr(i=0;i<n;i++)printff%d”,b[i]);printff\n”)；ftin(b,n);fbr(i=0;i<n;i++)printff%dM,b[i]);printffW");}3.請(qǐng)編寫ー個(gè)函數(shù)unsignedfun(unsignedw),w是一個(gè)大于10的無(wú)符號(hào)整數(shù),若w是n(nN2)位的整數(shù),函數(shù)求出w的低n-1的數(shù)作為函數(shù)值返回。例如:w值為5923,則函數(shù)返回923,；w值為923則函數(shù)返回23.#includc<stdio.h>unsignedfun(unsignedw)main(){voidNONO();unsignedx;printf(MEnteraunsignedintegernumber:")；scanf(M%uw,&x);printf(Theoriginaldatais:%u\nM,x);if(x<10)printf(HDataerror!n);elseprintf(nTheresult:%u\n"，fun(x));NONO();voidNONO(){unsignedx;inti;FILE*rf,*wf;rf=fbpen(HC:\\WEXAM\\24990001\\in.datM,V);wf=fopen(MC:\\WEXAM\\24990001\\out.datM,MwH);fbr(i=0;i<20;i++){fscanf(rf,&x);fprintfifwf,n%u\n",fiin(x));}fclose(rf);fclose(wf);第十二套.給定程序中,函數(shù)mn的功能是:對(duì)形參SS所指字符串?dāng)?shù)組中的M個(gè)字符串按長(zhǎng)度由短到長(zhǎng)進(jìn)行排序。ss所指字符串?dāng)?shù)組中共有M個(gè)字符串,且串長(zhǎng)＜N。

請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#includc#include#includc#include#define#define<string.h>M 5N 20voidfun(char(*ss)[N]){inti,j,k,n[M];chart[N];fbr(i=O;i<M;i-?-+)n[i]=strlen(ss[i]);fbr(i=O;i<M-l;i-H-){k=i;/**********fk)und**********/fbr(j= 1 ；j<M;j++)〃答案j=i+l/**********えund**********/if(n[k]>nU])—2—;〃答案k=jif(k!=i){strcpy(t,ss[i]);strcpy(ss[i],ss[k]);strcpy(ss[k], 3 );〃答案tn[k]=n[i];}main(){charss[M][N]={Mshanghai,,,,,guangzhou","beijingM,,,tianjing","cchongqingM};inti;printf(H\nTheoriginalstringsare:\nM);fbr(i=O;i<M;i++)printfC%s\n”,ss[i]);printfC\n”)；fun(ss);printfi(,,\nTheresult:\nH);fbr(i=O;i<M;i++)printfC%s\n”,ss[i]);.給定程序MODI1.C中函數(shù)fun的功能是:判讀ch中字符是否與str所指串中的某個(gè)字符相同,若相同,什么也不做,若不同,則將其插入在串的最后。請(qǐng)改正程序中的錯(cuò)誤,使它能進(jìn)行正確的操作。#include<stdio.h>#include<string.h>/********************/voidfun(charstr,charch){while(*str&&*str!=ch)str++;/**********偽und**********/if(*str=ch)〃答案if(*str!=ch){str[0]=ch;/********************/str[l]=,O,;〃答案str[l]=Omain(){chars[81],c;printfifu\nPleaseenterastring:\nM);gets(s);printf(n\nPleaseenterthecharactertosearchゴ’)；c=getchar();fun(s,c);printf("\nTheresultis%s\n",s);}.請(qǐng)編寫ー個(gè)函數(shù)fun(char*s),函數(shù)的功能是把s所指字符串中的內(nèi)容逆置。例如:字符串中原有的字符串為abcdefg,則調(diào)用該函數(shù)后,串中的內(nèi)容為gfedcbao//include<string.h>#include<stdio.h>#defineN81voidfirn(char*s)main(){voidNONO();chara[N];printf("Enterastring:");gets(a);printf("Theoriginalstringis:");puts(a);fiin(a);printfi("\n");printf("Thestringaftermodified:");puts(a);NONO();}voidNONO(){inti;chara[N];FILE*rf,*wf;rf=fopen("C:\\WEXAM\\24990001\\in.dat","r");wf=fbpen("C:\\WEXAMW24990001Wout.dat","w");fbr(i=0;i<10;i++){fscanfifrf,"%s",a);fun(a);fprintf(wf,"%s\n",a);}fclose(rf);fclose(wf);}第十三套.給定程序中,函數(shù)fun的功能是:求出形參ss所指字符串?dāng)?shù)組中最長(zhǎng)字符串的長(zhǎng)度,其余字符串左邊用字符?補(bǔ)齊,使其與最長(zhǎng)的字符串等長(zhǎng)。字符串?dāng)?shù)組中共有M個(gè)字符串,且串長(zhǎng)VN。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#include <stdio.h>#include <string.h>#define M 5#define N 20voidfun(char(*ss)[N]){inti,j,k=0,n,m,len;fbr(i=O;i<M;i-H-){len=strlen(ss[i]);ifi(i=0)n=len;

if(len>n){n=len;1 if(len>n){n=len;1 =i;〃答案k=ifbr(i=O;i<M;i-H-)if(i!=k){m=n;len=strlen(ss[i]);for(j=_2_；j>=O；j-)〃答案j=lenss[i][m-]=ss[i][j];for(j=O;j<n-len;j++)_3_ 〃答案ss[i][j]main(){charss[M][N]={Mshanghai"；,guangzhou,,,,,beijing,,,,,tianjingM,"cchongqing");inti;printf(M\nTheoriginalstringsare:\n");fbr(i=O;i<M;i++)printff%s\n”,ss[i])；printff\n")；fun(ss);printf(H\nTheresult:?");fbr(i=O;i<M;i++)printf(M%s\n",ss[i]);}.給定程序MODH.C中函數(shù)fun的功能是:計(jì)算整數(shù)n的階乘。請(qǐng)改正程序中的錯(cuò)誤或在下劃線處填上適當(dāng)?shù)膬?nèi)容并把下劃線刪除,使它能計(jì)算出正確的結(jié)果。#include<stdio.h>doublefiin(intn){doubleresult=1.0;while(n>l&&n<170)/********* *********/result*=—n; 〃答案result*=n—/*********f^ound*********/main()return〃答案return〃答案result{intn;printfif”Enteraninteger:");scanff%d”,&n);printf(M\n\n%d!=%lg\n\nM,n,fun(n));.編寫函數(shù)ftin,函數(shù)的功能是:從s所指的字符串中刪除給定的字符。同一字母的大、小寫按不同字符處理。若程序執(zhí)行時(shí)輸入字符串為:turbocandBorlandc++從鍵盤上輸入字符n?則輸出后變?yōu)?turbocadborladc-H-.如果輸入的字符在字符串中不存在,則字符串照原樣輸出。#include<stdio.h>

#include<string.h>voidfun(chars[],charc)main(){voidNONO();staticcharstr[]=Hturbocandborlandc++”;charch;printf("原始字符串:％s\n”,str);printR”輸入一個(gè)字符:");scan出“％c”,&ch);fun(str,ch);printf(Hstr[]=%s\nM,str);NONO();}voidNONO(){FILE*rf,*wf;chars[81],ch,w;intlen;rf=fopen("C:\\WEXAM\\24990001\\in.datn,Mr");wf=fbpen(,,C:\\WEXAM\\24990001\\out.datH,Mwn);fgets(s,80,rf);fscanfifrf,"%cM,&ch);len=strlen(s)-1;w=s[len];if(w=V||w=Oxla)s[len]=0;fun(s,ch);號(hào)rintRwf,"％s”,s);fclose(rf);fclose(wf);第十四套.給定程序中,函數(shù)fun的功能是:求出形參ss所指字符串?dāng)?shù)組中最長(zhǎng)字符串的長(zhǎng)度,將其余字符串右邊用字符?補(bǔ)齊，使其與最長(zhǎng)的字符串等長(zhǎng)。字符串?dāng)?shù)組中共有M個(gè)字符串，且串長(zhǎng)＜N。請(qǐng)?jiān)诔绦虻南聞澗€處填入正確的內(nèi)容并把下劃線刪除,使程序得出正確的結(jié)果。#include#include#include#include#define//define<string.h>M 5N 20voidfun(char(*ss)[N]){inti,j,n,len=0;fbr(i=O;i<M;i-H-){len=strlen(ss[i]);if(i=0)n=len;if(len>n)n=len;}fbr(i=O;i<M;i-H-){/********************/n=strlen( 1 );〃答案ss[i]fbr(j=O;j<len-n;j++)/**********偽und**********/ss[i][_2_]='*'; 〃答案ss[i][n+j]/**********えund**********/ss[i][n+j+_3_]=MT;〃答案ss[i][