1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
#include <bits/stdc++.h>

using namespace std;

int x, d, h, m;
int w = 0;

int until_end_of_day() {
    return (23 - h + (m == 0)) * 60 + (60 - m) * (m != 0);
}

int main() {
    cin >> x >> d >> h >> m;
    if (x < 5) {
        if (d - x == 22) {
            w = until_end_of_day() + 24 * 60;
        } else {
            w = until_end_of_day();
        }

    }
    else {
        if (d - x == 22) {
            w = until_end_of_day() + 47 * 60;
        } else if (d - x == 23) {
            w = until_end_of_day() + 23 * 60;
        } else if (h < 2) {
            w = until_end_of_day() - 60;
        } else {
            w = until_end_of_day();
        }
    }
    cout << w << "\n";
    return 0;
}