题目内容

下列程序的输出结果是#include "stdio.h"#define M(x,y) x%ymain(){ int a,m=12,n=100;a=M(n,m);printf("%d\n",a--);}

A. 2
B. 3
C. 4
D. 5

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有以下程序#include <stdio.h>void fun(char *t,char *s){ while(*t!=0) t++;while((*t++=*s++)!=0);}main(){ char ss[10]="acc",aa[10]="bbxxyy";fun(ss,aa); printf("%s,%s\n",ss,aa);}程序的运行结果是

A. accxyy,bbxxyy
B. acc,bbxxyy
C. accxxyy,bbxxyy
D. accbbxxyy,bbxxyy

已知int a=1,b=3则a^b的值为

A. 3
B. 1
C. 2
D. 4

有以下程序#include <stdio.h>int fun(char s[ ]){ int n=0;while(*s<='9'&&*s>='0') {n=10*n+*s-'0';s++;}retum(n);}main(){ char s[10]={'6','1','*','4','*','9','*','0','*'};printf("%d\n",fun(s));}程序的运行结果是

A. 9
B. 61490
C. 61
D. 5

有以下程序#include <stdio.h>void fun(int *a,int n)/*fun函数的功能是将a所指数组元素从大到小排序*/{ int t,i,j;for(i=0;i<n-1;j++)for(j=i+1;j<n;j++)if(a[i]<a[j]) { t=a[i];a[i]=a[j];a[j]=t;}}main(){ int c[10]={1,2,3,4,5,6,7,8,9,0},i;fun(c+4,6);for(i=0;i<10;i++) printf("%d,",c[i]);printf("\n");}程序的运行结果是

A. 1,2,3,4,5,6,7,8,9,0,
B. 0,9,8,7,6,5,1,2,3,4,
C. 0,9,8,7,6,5,4,3,2,1,
D. 1,2,3,4,9,8,7,6,5,0,

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