以下程序的功能是求数组num中小于零的数据之和。请分析程序填空。main(){int num[20]={2,-3,51,-72,86,4,0,-23,3,-65,-1,0,5,8,2,-4,-7,-9,4,-8};int sum=0,i;for(i=0;i<20;i++){if(【1】)sum=【2】;}printf("sum=%d\n",sum);}
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下面程序的运行结果是。main(){int i,j,row,col,min;int a[3][4]={{1,2,3,4},{9,8,7,6},{-1,-2,7,-5}};min=a[0][0];row=0;col=0;for(i=0;i<3;i++)for(j=0;j<3;j++)if(a[i][j]
若输入52,则下面程序的运行结果是。main(){int a[8]={6,12,18,42,46,52,67,73};int low=0,mid,high=7,x;printf("Input a x:");scanf("%d",&x);while(low<=high){mid=(low+high)/2;if(x>a[mid]) low=mid+1;else if(x
下面程序段的运行结果是()。char x[]="the teacher";i=0;while(x[++i]!='\0')if(x[i-1]=='t') printf("%c",x[i]);
下面程序的功能是在三个字符串中找出最小的。请分析程序填空。#include #include main(){char s[20],str[3][20];int i;for(i=0;i<3;i++) gets(str[i]);strcpy(s,【1】);if(strcmp(str[2],s)<0) strcpy(s,str[2]);printf("%s\n",【2】);}