View Code of Problem 3310

#include<stdio.h>
int main(){
	int n;
	scanf("%d",&n);
	int year,month,day,h,m,s;
	while(n--){
		scanf("%d/%d/%d-%d:%d:%d",&year,&month,&day,&h,&m,&s); 
		int flag = 0;
		if(h>=12){
			flag = 1;
			if(h>12)
				h = h%12;
		}
		if(h == 0){
			h = 12;
		}
		printf("%.2d/%.2d/%.4d-%.2d:%.2d:%.2d%s\n",month,day,year,h,m,s,flag?"pm":"am");
	}
}