oj.uz

답안 #976027

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
976027 2024-05-06T05:28:31 Z vjudge1 Trol (COCI19_trol) C++17
0 / 50
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;

int main(){
    long long n;
    cin >> n;
    long long l, r;
    for(int i = 0;  i < n; i++){
        cin >> l >> r;
        if(l == r){
            if(l % 9 == 0){
                cout << 9 << endl;
            }else{
                cout << l % 9 << endl;
            }break;
           
        }
        long long ans1 = 0, ans2 = 0;
        ans1 = (r / 9) * 45;
        for(int j = 1; j <= r % 9; j++){
            ans1 += j;
        }ans2 = ((l - 1) / 9) * 45;
        for(int j = 1; j <= (l - 1) % 9; j++){
            ans2 += l;
        }cout << ans1 - ans2 << endl;
    }
}

Subtask #1
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Incorrect 1 ms 348 KB Output isn't correct
5 Incorrect 1 ms 348 KB Output isn't correct