Submission #1100488

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100488		vjudge1	Trol (COCI19_trol)	C++17	50 / 50	1 ms	508 KiB

trol

#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 / 50