#include<iostream> using namespace std; int main(){ //输入一个数判断是否闰年 /** 两种 1if嵌套 if else 2 and or int a; cin>>a; if(a % 400==0 or (a % 100 !=0 and a % 4 ==0)){ cout<<"yes"; }else{ cout<<"No"; } //输入三个数，输出最小的那个数 int min ,a,b,c; cin>>a>>b>>c; min = a; if(min < b ){ min = b; } if (min < c){ min = c; } cout<<min;**/ int a,b,c,n=0; cin>>a>>b>>c; if(a % 400 ==0 ||(a % 100 != 0 and a % 4 == 0)){ n++; } if(b % 400 ==0 ||(b % 100 != 0 and b % 4 == 0)){ n++; } if(c % 400 ==0 ||(c % 100 != 0 and c % 4 == 0)){ n++; } cout<<n; return 0; }