-程序設(shè)計(jì)部分試題及答案

1、第1題/*-【程序設(shè)計(jì)】-功能：從鍵盤(pán)為一維整型數(shù)組輸入10個(gè)整數(shù)，調(diào)用fun 函數(shù)找出其中最小的數(shù)，并在main函數(shù)中輸出。 請(qǐng)編寫(xiě)fun函數(shù)。-*/#include "stdio.h"void wwjt();int fun(int x,int n) /*Program*/ /* End */ main() int a10,i,min; for(i=0;i<10;i+) scanf("%d",&ai); for(i=0;i<10;i+) printf("%3d",ai); printf("n"

2、); min=fun(a,10); printf("%dn",min); wwjt();void wwjt() FILE *IN,*OUT; int iIN10,i; int iOUT,iCOUNT; IN=fopen("4.IN","r"); if(IN=NULL) printf("Please Verify The Currernt Dir.it May Be Changed"); OUT=fopen("4.out","w"); if(OUT=NULL) printf(&

3、quot;Please Verify The Current Dir. it May Be Changed"); for(i=0;i<10;i+) for(iCOUNT=0;iCOUNT<10;iCOUNT+) fscanf(IN,"%d",&iINiCOUNT); iOUT=fun(iIN,10); fprintf(OUT,"%dn",iOUT); fclose(IN); fclose(OUT);參考答案-int min,i;min=x0;for(i=1;i<n;i+)if(xi<min) min=xi;ret

4、urn min;-第2題/*-【程序設(shè)計(jì)】-功能：從字符串s中刪除指定的字符c。-*/#include <stdio.h>void wwjt();fun(char s,char c) /*Program*/ /* End */ main() static char str="turbo c and borland c+" char c='a' fun(str,c); printf("str=%sn",str); wwjt();void wwjt() FILE *IN,*OUT; char sin80,cIN; int i; I

5、N=fopen("13.IN","r"); if(IN=NULL) printf("Please Verify The Currernt Dir.it May Be Changed"); OUT=fopen("13.out","w"); if(OUT=NULL) printf("Please Verify The Current Dir. it May Be Changed"); for(i=0;i<10;i+) fscanf(IN,"%s",sin

6、); cIN=getc(IN);cIN=getc(IN); fun(sin,cIN); fprintf(OUT,"%sn",sin); fclose(IN); fclose(OUT);參考答案-int i,k=0; for(i=0;si!='0'i+) if(si!=c) sk+=si; sk='0'-第3題/*-【程序設(shè)計(jì)】-功能：求出二維數(shù)組周邊元素之和，作為函數(shù)值返回。二 維數(shù)組的值在主函數(shù)中賦予。-*/#define M 4#define N 5#include <stdio.h>void wwjt(); int fun(

7、int aMN)/*Program*/* End */main()int aMN=1,3,5,7,9,2,4,6,8,10,2,3,4,5,6,4,5,6,7,8;int y;y=fun(a);printf("s=%dn",y);wwjt();void wwjt()FILE *IN,*OUT;int iINMN,iOUT;int i,j,k;IN=fopen("14.IN","r");if(IN=NULL)printf("Please Verify The Currernt Dir.it May Be Changed&quo

8、t;);OUT=fopen("14.out","w");if(OUT=NULL)printf("Please Verify The Current Dir. it May Be Changed");for(k=0;k<10;k+) for(i=0;i<M;i+) for(j=0;j<N;j+) fscanf(IN,"%d",&iINij);iOUT=fun(iIN);fprintf(OUT,"%dn",iOUT);fclose(IN);fclose(OUT);參考答案-

9、int s=0; int i,j; for(i=0;i<M;i+) s=s+ai0+aiN-1; for(j=1;j<N-1;j+) s=s+a0j+aM-1j; return s;-第4題/*-【程序設(shè)計(jì)】-功能：求一個(gè)四位數(shù)的各位數(shù)字的立方和-*/#include <stdio.h>void wwjt(); int fun(int n) /*Program*/ /* End */ main() int k; k=fun(1234); printf("k=%dn",k); wwjt();void wwjt() FILE *IN,*OUT; int

10、iIN,iOUT,i; IN=fopen("22.IN","r"); if(IN=NULL) printf("Please Verify The Currernt Dir.it May Be Changed"); OUT=fopen("22.out","w"); if(OUT=NULL) printf("Please Verify The Current Dir. it May Be Changed"); for(i=0;i<10;i+) fscanf(IN,"

11、;%d",&iIN); iOUT=fun(iIN); fprintf(OUT,"%dn",iOUT); fclose(IN); fclose(OUT);參考答案-int d,k,s=0; while (n>0) d=n%10; s+=d*d*d; n/=10; return s;-第5題/*-【程序設(shè)計(jì)】-功能：計(jì)算并輸出給定整數(shù)n的所有因子之和（不包括1與 自身）。注意：n的值不大于1000。例如：n的值為855時(shí)，應(yīng)輸出704。-*/#include <stdio.h>void wwjt(); int fun(int n) /*Pro

12、gram*/ /* End */ main() printf("s=%dn",fun(855); wwjt();void wwjt() FILE *IN,*OUT; int iIN,iOUT,i; IN=fopen("in.dat","r"); if(IN=NULL) printf("Please Verify The Currernt Dir.it May Be Changed"); OUT=fopen("out.dat","w"); if(OUT=NULL) printf

13、("Please Verify The Current Dir. it May Be Changed"); for(i=0;i<5;i+) fscanf(IN,"%d",&iIN); iOUT=fun(iIN); fprintf(OUT,"%dn",iOUT); fclose(IN); fclose(OUT);參考答案-int s=0,i; for(i=2;i<n;i+) if(n%i=0)s=s+i; return s;-第6題/*-【程序設(shè)計(jì)】-功能：編寫(xiě)程序，實(shí)現(xiàn)矩陣（3行3列）的轉(zhuǎn)置（即行列互換） 例如：輸

14、入下面的矩陣： 100 200 300 400 500 600 700 800 900 程序輸出： 100 400 700 200 500 800 300 600 900 -*/#include <stdio.h>void wwjt(); int fun(int array33) /*Program*/ /* End */ main() int i,j; int array33=100,200,300, 400,500,600, 700,800,900; for (i=0; i < 3; i+) for (j=0; j < 3; j+) printf("%7d

15、",arrayij); printf("n"); fun(array); printf("Converted array:n"); for (i=0; i < 3; i+) for (j=0; j < 3; j+) printf("%7d",arrayij); printf("n"); wwjt(); void wwjt() int i,j, array33; FILE *rf, *wf ; rf = fopen("in.dat", "r") ; wf

16、= fopen("out.dat", "w") ; for (i=0; i < 3; i+) for (j=0; j < 3; j+) fscanf(rf, "%d", &arrayij); fun(array); for (i=0; i < 3; i+) for (j=0; j < 3; j+) fprintf(wf, "%7d", arrayij); fprintf(wf, "n"); fclose(rf) ; fclose(wf) ; 參考答案-int i,

17、j,t; for(i=0; i < 3; i+) for(j=0; j < i; j+) t=arrayij; arrayij=arrayji; arrayji=t; -第7題/*-【程序設(shè)計(jì)】-功能：判斷一個(gè)整數(shù)w的各位數(shù)字平方之和能否被5整除， 可以被5整除則返回1，否則返回0。-*/#include <stdio.h>#include"conio.h"void wwjt(); int fun(int w) /*Program*/ /* End */ main() int m; printf("Enter m: "); sca

18、nf("%d", &m); printf("nThe result is %dn", fun(m); wwjt();void wwjt() FILE *IN,*OUT; int c ; int t; int o; IN=fopen("in.dat","r"); if(IN=NULL) printf("Read FILE Error"); OUT=fopen("out.dat","w"); if(OUT=NULL) printf("Writ

19、e FILE Error"); for(c=1;c<=5;c+) fscanf(IN,"%d",&t); o=fun(t); fprintf(OUT,"%dn",o); fclose(IN); fclose(OUT);參考答案-int k,s=0; do s=s+(w%10)*(w%10); w=w/10; while(w!=0); if(s%5=0)k=1; else k=0; return(k);-第8題/*-【程序設(shè)計(jì)】-功能：調(diào)用函數(shù)fun判斷一個(gè)三位數(shù)是否"水仙花數(shù)"。 在main函數(shù)中從鍵盤(pán)輸入一個(gè)

20、三位數(shù)，并輸 出判斷結(jié)果。請(qǐng)編寫(xiě)fun函數(shù)。說(shuō)明：所謂"水仙花數(shù)"是指一3位數(shù)，其各位數(shù)字立方和 等于該數(shù)本身。例如：153是一個(gè)水仙花數(shù)，因?yàn)?53=1+125+27。-*/#include <stdio.h>void wwjt(); int fun(int n) /*Program*/ /* End */ main() int n,flag; scanf("%d",&n); flag=fun(n); if(flag) printf("%d 是水仙花數(shù)n",n); else printf("%d 不是水

21、仙花數(shù)n",n); wwjt();void wwjt() FILE *IN,*OUT; int iIN,i; int iOUT; IN=fopen("in.dat","r"); if(IN=NULL) printf("Please Verify The Currernt Dir.it May Be Changed"); OUT=fopen("out.dat","w"); if(OUT=NULL) printf("Please Verify The Current Dir. i

22、t May Be Changed"); for(i=0;i<10;i+) fscanf(IN,"%d",&iIN); iOUT=fun(iIN); fprintf(OUT,"%dn",iOUT); fclose(IN); fclose(OUT);參考答案-int bw,sw,gw;bw=n/100;sw=(n-bw*100)/10;gw=n%10; if(n=bw*bw*bw+sw*sw*sw+gw*gw*gw) return 1; else return 0;-第9題/*-【程序設(shè)計(jì)】-功能：編寫(xiě)函數(shù)fun其功能是：根據(jù)整型形參

23、m，計(jì)算如下 公式的值：y=11/31/51/71/(2m+1)例如：若m=9，則應(yīng)輸出：2.133256-*/#include <stdio.h>void wwjt(); double fun(int m) /*Program*/ /* End */main() int n; printf("Enter n: "); scanf("%d", &n); printf("nThe result is %1fn", fun(n); wwjt(); void wwjt() FILE *IN,*OUT; int s,i ;

24、 int t; float o; IN=fopen("in.dat","r"); if(IN=NULL) printf("Read FILE Error"); OUT=fopen("out.dat","w"); if(OUT=NULL) printf("Write FILE Error"); for(i=0;i<5;i+) fscanf(IN,"%d",&t); o=fun(t); fprintf(OUT,"%fn",o); fclose(IN); fclose(OUT);參考答案- double y=1; int i; for(i=1; i<=m; i+) y+=1.0/(2*i+1); return(y);-第10題*-【程序設(shè)計(jì)】-功能：對(duì)任意輸入的 x，用下式計(jì)算并輸出 y 的值