oj.uz

Submission #360045

# Submission time Handle Problem Language Result Execution time Memory
360045 2021-01-27T12:24:15 Z Poimidorka Maxcomp (info1cup18_maxcomp) C++17
60 / 100
 442 ms 75668 KB 
#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <deque>
#include <queue>
#include <string>
#include <algorithm>
#include <tuple>
#include <cassert>


using namespace std;


#define x first
#define y second


#pragma GCC optimize("O3")
#pragma GCC target("sse,sse2,sse3,sse4,tune=native")
#pragma GCC optimize("unroll-loops")


const int maxn = 1e3 + 10;

int mat[maxn][maxn];
int opt[maxn][maxn];


vector<pair<int, int>> dir = {{0, -1}, {0, 1}, {1, 0}, {-1, 0}};
int n, m;


bool check(int x, int y) {
	return x >= 0 && y >= 0 && x < n && y < m;
}

int gt(int x, int y, int z, int t) {
	return mat[z][t] - mat[x][y] - abs(z - x) - abs(t - y) - 1;
}

signed main() {
#ifdef LC
	assert(freopen("input.txt", "r", stdin));
#endif
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n >> m;
	int ans = -1;
	priority_queue<pair<int, pair<int, int>>> q1, q2, q3, q4;
	vector<pair<int, pair<int, int>>> v(n * m);
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cin >> mat[i][j];
			opt[i][j] = -1;
			v[i * m + j] = {mat[i][j], {i, j}};
		}
	}
	bool f = 0;
	sort(v.rbegin(), v.rend());
	for (auto & el : v) {
		int x = el.y.x;
		int y = el.y.y;
		if (f) {
			ans = max(ans, gt(x, y, q1.top().y.x, q1.top().y.y));
			ans = max(ans, gt(x, y, q2.top().y.x, q2.top().y.y));
			ans = max(ans, gt(x, y, q3.top().y.x, q3.top().y.y));
			ans = max(ans, gt(x, y, q4.top().y.x, q4.top().y.y));
		}
		q1.push({mat[x][y] + x + y, {x, y}});
		q2.push({mat[x][y] + x - y, {x, y}});
		q3.push({mat[x][y] - x + y, {x, y}});
		q4.push({mat[x][y] - x - y, {x, y}});
		f = 1;
	}
	cout << ans;
	return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 2 ms 1004 KB Output is correct
11 Correct 2 ms 1004 KB Output is correct
12 Correct 2 ms 1004 KB Output is correct
13 Correct 2 ms 1004 KB Output is correct
14 Correct 2 ms 1004 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 2 ms 1004 KB Output is correct
13 Correct 2 ms 1004 KB Output is correct
14 Correct 2 ms 1004 KB Output is correct
15 Correct 2 ms 1004 KB Output is correct
16 Correct 2 ms 1004 KB Output is correct
17 Correct 2 ms 1004 KB Output is correct
18 Correct 423 ms 67100 KB Output is correct
19 Correct 442 ms 75668 KB Output is correct
20 Incorrect 390 ms 72340 KB Output isn't correct
21 Halted 0 ms 0 KB -