#include "stdio.h"int main(void){float add(float x);float a= -1.5,b=5.0,s=2.25,t=2.0;if (a>0)t=t-1;else{if (a>b){s=add(s);}else t=add(t);}printf("s=%.2f,t=%.2f\n",s,t);return 0;}float add(float x){return x+2;}程序运行结果是:
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以下程序的执行结果是 。main(){int k,a[6]={1,2,3,4,5,6};for(k=5;k>0;--k)if(a[k]%2==0)printf("%d ",a[k]);}
下列程序运行的结果为 。int x1=30,x2=40;main(){int x3=10, x4=20;swap(x3,x4);swap(x2,x1);printf("%d,%d,%d,%d\n",x3,x4,x1,x2);}swap(int x,int y){x1=x;x=y;y=x1;}
下列程序运行的结果为 。#include void num(){extern int x,y;int a=15,b=10;x=a-b;y=a+b;}int x,y;main(){int a=7,b=5;x=a+b;y=a-b;num();printf("%d,%d\n",x,y);}
下列程序运行的结果为 。main(){int a[5]={5,10,-7,3,7},i,j,t;sort(a);for(i=0; i<=4; i++)printf("%3d",a[i]);}sort(int a[]){int i,j,t;for(i=0; i<4; i++)for(j=0; j<4-i; j++)if(a[j]>a[j+1]){t=a[j]; a[j]=a[j+1]; a[j+1]=t;}}