Submission #1007335

#	Time	Username	Problem	Language	Result	Execution time	Memory
1007335		vjudge1	Trol (COCI19_trol)	C++17	20 / 50	1095 ms	348 KiB

trol

#include <bits/stdc++.h>
#define ll long long
using namespace std;

int digitSum(int num) {
    while (num >= 10) {
        int temp = 0;
        while (num > 0) {
            temp += num % 10;
            num /= 10;
        }
        num = temp;
    }
    return num;
}

int main() {
    int q;
    cin >> q;

    vector<pair<int, int>> queries(q);
    for (int i = 0; i < q; ++i) {
        int l, r;
        cin >> l >> r;
        queries[i] = {l, r};
    }

    for (int i = 0; i < q; ++i) {
        int l = queries[i].first;
        int r = queries[i].second;

        ll ans = 0;
        for (int j = l; j <= r; ++j) {
            ans += digitSum(j);
        }

        cout << ans << endl;
    }

    return 0;
}

• Subtask 1: 20 / 50