답안 #402242

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
402242 2021-05-11T12:57:28 Z Azimjon 건포도 (IOI09_raisins) C++17
15 / 100
5000 ms 364 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 x = INF;

		for (int i : {l, r, (l + r) / 2, (l + r) / 2 - 1, (l + r) / 2 + 1}) {
			if (i < l || r < i + 1) continue;
			x = min(x, dfs(l, i) + dfs(i + 1, r));
		}

		for (int i = l; i <= r; i++)
			x += sy[i];

		return x;
	};

	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;
}
# 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 Incorrect 1 ms 204 KB Output isn't correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Correct 1 ms 204 KB Output is correct
7 Incorrect 1 ms 204 KB Output isn't correct
8 Incorrect 51 ms 204 KB Output isn't correct
9 Incorrect 39 ms 204 KB Output isn't correct
10 Incorrect 79 ms 304 KB Output isn't correct
11 Incorrect 138 ms 204 KB Output isn't correct
12 Incorrect 333 ms 332 KB Output isn't correct
13 Incorrect 688 ms 332 KB Output isn't correct
14 Incorrect 349 ms 332 KB Output isn't correct
15 Incorrect 865 ms 332 KB Output isn't correct
16 Incorrect 39 ms 204 KB Output isn't correct
17 Incorrect 106 ms 332 KB Output isn't correct
18 Incorrect 2428 ms 336 KB Output isn't correct
19 Execution timed out 5066 ms 364 KB Time limit exceeded
20 Execution timed out 5050 ms 332 KB Time limit exceeded