题解 | 打印日期

#include <stdio.h>

int riqi(int a,int b){
	int c[15]={0,31,29,31,30,31,30,31,31,30,31,30,31,31};
	int d[15]={0,31,28,31,30,31,30,31,31,30,31,30,31,31};
	if((a%4==0&&a%100!=0)||(a%400==0)){
			for(int i = 1;i < 13;i++){
				if(b <= c[i]){
					printf("%04d-%02d-%02d\n",a,i,b);
					return 0;
				}
				b = b - c[i];
			}
		}
		
		else{
			for(int i = 1;i < 13;i++){
				
				if(b <= d[i]){
					printf("%04d-%02d-%02d\n",a,i,b);
					return 0;
				}
				b = b - d[i];
			}
		}
		return 0;
}


int main(){
	int riqi(int,int);
	int a,b;
	while((scanf("%d %d",&a,&b))!=EOF){
		riqi(a,b);
	}
	return 0;
}