oj.uz

Submission #1100488

# Submission time Handle Problem Language Result Execution time Memory
1100488 2024-10-14T05:20:59 Z vjudge1 Trol (COCI19_trol) C++17
50 / 50
 1 ms 508 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int q; cin >> q;
	while(q--){
		int l, r; cin >> l >> r;
		
		int ans = 0;
		for(int i = l ; i <= min(l + 8LL, r) ; i++){
			if(i % 9 == 0)ans += 9*((r - i) / 9) + 9;
			else ans += (i % 9)*((r - i) / 9) + (i % 9);
		}

		cout << ans << endl;
	}

	return 0;
}

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 508 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct