Untitled

#include <iostream>
using namespace std;
int main()
{
    int a, b, c, d;
    cin >> a;
    int e[1000];
    for (int i = 0; i < a; i++){
        cin >> b >> c;
        e[i] = ((23 - b) * 60) + (60 - c);
    }
    for (int i = 0; i < a; i++) {
        cout << e[i] << endl;
    }
}