0074 - Videotape
#include <cstdio> #include <iostream> using namespace std; void Slove(int hour, int minute, int second) { int number=(2*3600)-(hour*3600+minute*60+second); printf ("%02d:%02d:%02d\n", number/3600, (number%3600)/60, number%3600%60 ); printf ("%02d:%02d:%02d\n", number*3/3600, (number*3)%3600/60, (number*3)%3600%60); } int main(void) { int hour, minute, second; cin >> hour >> minute >> second; while ( !(hour==-1 && minute==-1 && second==-1) ) { Slove(hour,minute,second); cin >> hour >> minute >> second; } return 0; }
やるだけ。