Submission #973432

#	Time	Username	Problem	Language	Result	Execution time	Memory
973432		vjudge1	Trol (COCI19_trol)	C++17	20 / 50	1094 ms	600 KiB

trol

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    int q;
    cin >> q;

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

    return 0;
}

• Subtask 1: 20 / 50