AOJ Volume5-0532

Time Card
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0532

解法:h,mをsに直して普通に計算

#include<iostream>
#include<cmath>
using namespace std;

int main() {
    double h1,h2,m1,m2,s1,s2;
    while (cin >> h1 >> m1 >> s1 >> h2 >> m2 >> s2) {
        double r1 = h1*60*60+m1*60+s1;
        double r2 = h2*60*60+m2*60+s2;
        
        double re = r2 - r1;
        
        
        int rh = (int) floor(re / (60 * 60));
        re -= rh * (60*60);
        int rm = (int) floor(re / (60));
        re -= rm * (60);
        int rs = (int) re;
        
        cout << rh << " " << rm << " " << rs << endl;
    }
    
    
}