oj.uz

답안 #976406

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
976406 2024-05-06T14:26:08 Z vjudge1 Trol (COCI19_trol) C++17
0 / 50
 1 ms 500 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main()
{
    int q;
    cin >> q;
    
    while (q--) {
    	ll l, r;
    	cin >> l >> r;
    	int ans = 0;
    	
    	
    	ll selisih = (r-l)/9;
    	int sisa = (r-l)%9;
    	int hah = l%9;
    	
    	for (int i=hah;i<8+hah;i++) {
    		ans += i*selisih;
		}
    	
		for (int i=hah;i<=(hah)+sisa;i++) {
			ans += i;
		}
			
    	cout << ans << endl;
	}
    
    
    
    
    return 0;
}

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 500 KB Output isn't correct