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답안 #974696

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
974696 2024-05-03T16:10:07 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    int q;
    unsigned long long l, r, res = 0;
    cin >> q;
    while (q--) {
        cin >> l >> r;
        unsigned long long quo, rem, tmp;
        quo = (r-l+1)/9;
        rem = (r-l+1)%9;
        tmp = (l-1)%9+1;
        res = 45*quo;
        while (rem--) {
            res += tmp;
            tmp++;
            tmp = (tmp-1)%9+1;
        }
        cout << res << endl;
    }
    return 0;
}

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct