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답안 #402256

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
402256 2021-05-11T13:05:07 Z Azimjon 건포도 (IOI09_raisins) C++17
20 / 100
 5000 ms 452 KB 
// Muallif: Azimjon Mehmonali o'g'li

#include <bits/stdc++.h>

using namespace std;

#define int long long

const long double PI = 3.1415926535897;
const int mod = 1000000007LL;
const int INF = 1e18;

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	int n, m;
	cin >> n >> m;

	vector<vector<int>> g(n, vector<int>(m));
	vector<int> sy;

	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cin >> g[i][j];
		}
		sy.push_back(accumulate(g[i].begin(), g[i].end(), 0));
	}

	vector<vector<int>> dp(n, vector<int>(n, INF));

	function<int(int, int)> dfs = [&](int l, int r) {
		if (l == r) return 0ll;

		if (dp[l][r] != INF) return dp[l][r];

		int yi = 0, py = 0;
		for (int i = l; i <= r; i++)
			yi += sy[i];

		int x = INF;
		vector<int> v{l, r};
		for (int i = l; i <= r; i++) {
			py += sy[i];

			if (py > yi - py) {
				v.push_back(i);
				v.push_back(i - 1);
				v.push_back(i + 1);
				v.push_back(i - 2);
				break;
			}
		}

		for (int i : v) {
			// cerr << i << endl;
			if (i < l || r < i + 1) continue;
			x = min(x, dfs(l, i) + dfs(i + 1, r));
		}

		return x + yi;
	};

	int nt = dfs(0, n - 1);
	// cerr << nt << endl;

	for (int i = 0; i < n; i++) {
		dp.assign(m, vector<int>(m, INF));
		sy = g[i];

		nt += dfs(0, m - 1);
	}

	cout << nt << endl;

	return 0;
}

Subtask #1
20.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Correct 6 ms 204 KB Output is correct
7 Incorrect 12 ms 312 KB Output isn't correct
8 Incorrect 452 ms 204 KB Output isn't correct
9 Incorrect 491 ms 312 KB Output isn't correct
10 Incorrect 1245 ms 316 KB Output isn't correct
11 Incorrect 2552 ms 332 KB Output isn't correct
12 Execution timed out 5043 ms 332 KB Time limit exceeded
13 Execution timed out 5050 ms 204 KB Time limit exceeded
14 Execution timed out 5056 ms 332 KB Time limit exceeded
15 Execution timed out 5061 ms 332 KB Time limit exceeded
16 Incorrect 579 ms 324 KB Output isn't correct
17 Execution timed out 5063 ms 332 KB Time limit exceeded
18 Execution timed out 5058 ms 332 KB Time limit exceeded
19 Execution timed out 5072 ms 452 KB Time limit exceeded
20 Execution timed out 5067 ms 332 KB Time limit exceeded