Submission #976638

#	Time	Username	Problem	Language	Result	Execution time	Memory
976638		vjudge1	Trol (COCI19_trol)	C++17	30 / 50	1092 ms	428 KiB

trol

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
    ll q;cin >> q;
    while (q--) {
        ll l, r; cin >> l >> r;
        ll ans = 0;
        for (ll i=l;i<=r;i++) {
            ll x = i%9;
            if (x == 0) x+=9;
            ans+=x;
        }
        cout << ans << endl;
    }
    return 0;
}

• Subtask 1: 30 / 50