从键盘输入一个年份,判断是否闰年。main(){int year;scanf("%d",&year);if(year%400==0|| )printf("%d is a leap year\n",year);else printf("%d is not a leap year\n",year);}
.if x>5 printf(“%d\n”,x); 格式是否正确
A. 对
B. 错
int x,y;x=5;y=3;则表达式(x&&y)的值为?
阅读以下程序,若输入60,写出程序运行结果。#includevoid main(){ int x;scanf("%d ",&x);if (x>=60)printf("pass");elseprintf("fail");}