#include <stdio.h>
int main(void)
{
int t;
int h,m,s;
h=t/3600;
m=(t%3600)/60;
s=t%60;
printf("%d秒→%d:%d:%d\n",t
,h
,m
,s
); return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBtYWluKHZvaWQpCnsKCWludCB0OwoJc2NhbmYoIiVkIiwmdCk7CglpbnQgaCxtLHM7CgloPXQvMzYwMDsKCW09KHQlMzYwMCkvNjA7CglzPXQlNjA7CglwcmludGYoIiVk56eS4oaSJWQ6JWQ6JWRcbiIsdCxoLG0scyk7CglyZXR1cm4gMDsKfQ==