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Submission #259047

# Submission time Handle Problem Language Result Execution time Memory
259047 2020-08-07T05:07:11 Z lani1akea Trol (COCI19_trol) C++17
10 / 50
 1000 ms 384 KB 
#include <bits/stdc++.h>

#define F first
#define S second
#define ll long long
#define pb push_back
#define endl '\n'

using namespace std;

const int MOD = 1e9 + 7;
const int N = 510;

int e(ll x) {
	ll sum = 0;
	while(x) {
		sum += x % 10;
		x /= 10;
	}
	if ( sum > 9)
		return e(sum);

	return sum;
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int T;
	cin >> T;
	while(T--) {
		ll a, b;
		cin >> a >> b;
		int x = e(a);
		ll ans = 0;
		for (ll i = a; i <= b; ++i) {
			if (i % 10 == 0) {
				x = e(i);
				ans += x;
				x++;
			} else {
				ans += x;
				x++;
			}
		}
		cout << ans << endl;
	}
}

Subtask #1
10.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 1 ms 384 KB Output isn't correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Execution timed out 1087 ms 384 KB Time limit exceeded
5 Execution timed out 1090 ms 384 KB Time limit exceeded