제출 #259036

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
259036		lani1akea	Trol (COCI19_trol)	C++17	30 / 50	1105 ms	130324 KiB

trol

#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;

string e(ll x) {
	string s;
	while(x) {
		s += char('0' + x % 10);
		x /= 10;
	}
	return s;
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int T;
	cin >> T;
	map<ll, int> m;
	while(T--) {
		ll a, b;
		cin >> a >> b;
		ll sum = 0;
		for (ll i = a; i <= b; ++i) {
			if (m[i]) {
				sum += m[i];
				continue;
			}
			ll x = sum;
			string s = e(i);
			for (char c: s) {
				sum += (c - '0');
			}
			while (sum > x + 9) {
				s = e(sum - x);
				sum = x;
				for (char c: s) {
					sum += (c - '0');
				}
			}
			m[i] = sum - x;
		}
		cout << sum << endl;
	}
}

• Subtask 1: 30 / 50