#include <math.h>
main()
{ float a=-1.3;b=1.3;
printf("%f,%f",fabs(a),fabs(b);}
[单选题]下面程序段的输出结果是( )。#include<string.h>void main(){char strl[10]={’s’,’t’,’u’,’d’,’e’,’n’,’t’};printf("%d/n",strlen(strl));}A.7 B.8 C.10 D.存在语法错误
[单选题]以下程序输出的结果是#include<stdio.h>#include<string.h>main(){ char w[][10]={"ABCD","EFGH","IJKL","MNOP"},k;for(k=1;k<3;k++) printf("%s/n",&w[k][k]);}A.ABCD FGH KLB.ABC EFG IJ MC.EFG JK 0D.FGH KL
[单选题]以下程序输出的结果是#include<stdio.h>#include<string.h>main(){ char w[][10]={"ABCD","EFGH","IJKL","MNOP"},k;for(k=1;k<3;k++) printf("%s/n",&w[k][k]);}A.ABCD FGH KLB.ABC EFG IJ MC.EFG JK 0D.FGH KL
[单选题]下面程序的输出结果是#include<stdio.h>#include<string.h>main(){ char *p1="abc",*p2="ABC",str[50]= "xyz";strcpy(str+2,strcat(p1,p2));printf("%s/n",str);}A.xyzabcABCB.zabcABCC.xyabcABCD.yzabcABC
[试题]以下程序的输出结果是_[12]_______.#include <stido.h>main(){ int i;for(i='a';i<'f';i++,i++) printf("%c",i-'a'+'A');printf("/n");}
[单选题]下列程序的输出结果是( )。include<iostream.h>int rain(iltl a,int B.{if(a<B.return a;else retum b;retum 0;}void main{eout<<min(1,min(2,3))<<endl;}A.0B.1C.2D.3
[主观题]以下程序的输出结果是_[13]_______#include <stdio.h>#include <string.h>char *fun(char *t){ char *p=t;return(p+strlen(t)/2);}main(){ char *str="abcdefgh";str=fun(str);puts(str);}
[试题]以下程序的输出结果是_[19]_______#include <stdio.h>#define M 5#define N M+Mmain(){ int k;k=N*N*5; printf("%d/n",k);}
[单选题]下面程序的输出结果是()。#include<stdio.h>main(){ int a[4][5]={1,2,4,-4,5,-9,3,6,-3,2,7,8,4};int i,j,n;n=9;i=n/5;j=n-i*5-1;printf("a[%d][%d]=%d/n",i,j,a[i][j]); } 执行后输出结果是( )。A)a[1][3]=6 B)a[1][3]=-3C)a[1][3]=2 D)不确定
[单选题]执行下列程序后,输出的结果是( )。include<stdio.h>define S(X) X*Xvoid main{ int a=9,k=3,m=2;a/=S(k+m)/S(k+m):printf("%d",a);}A.1B.4C.9D.0