Submission #1007333

#	Time	Username	Problem	Language	Result	Execution time	Memory
1007333		vjudge1	Trol (COCI19_trol)	C++17	20 / 50	1099 ms	348 KiB

trol

#include <iostream>
#define ll long long
using namespace std;

// Fungsi untuk menghitung digit root
int digit_root(int n) {
    return 1 + (n - 1) % 9;
}

int main() {
    int q;
    cin >> q;
    while (q--) {
        ll l, r;
        cin >> l >> r;
        ll ans = 0;
        for (ll i = l; i <= r; i++) {
            ans += digit_root(i);
        }
        cout << ans << '\n';
    }
    return 0;
}

• Subtask 1: 20 / 50