闰年的判断

 

 

 

 

 int main() {

int year;

scanf("%d", &year);

if((year%100!=0&&year%4==0)||year%400==0){
printf("YES");
}else{printf("NO");}

return 0;
}

 

 

 #include <stdio.h>

int main{

int year;

for(year=2000,year<=2500,year++){

if((year%100!=0&&year%4==0)||year%400==0){

printf("YES")

   }else{

printf("NO")

  }

 }

}