Submission #340132

#	Time	Username	Problem	Language	Result	Execution time	Memory
340132		shrek12357	Rectangles (IOI19_rect)	C++14	0 / 100	15 ms	492 KiB

rect

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
#include <stack>
#include <bitset>
#include "rect.h"
using namespace std;
#define ll long long
//cin.tie(0);ios_base::sync_with_stdio(0);

const int MAXN = 2505;
int grid[MAXN][MAXN];
int n, m;

ll ans1() {
	if (n == 1 || n == 2) {
		return 0;
	}
	int cnt = 0;
	for (int i = 1; i < m - 1; i++) {
		int cur = grid[1][i - 1];
		int mx = grid[1][i];
		for (int j = i; j < m - 1; j++) {
			mx = max(mx, grid[1][j]);
			if (grid[1][j] >= cur || grid[1][j] >= grid[0][j] || grid[1][j] >= grid[2][j] || grid[1][j] >= grid[1][j + 1] || mx >= grid[1][j + 1]) {
				continue;
			}
			cnt++;
		}
	}
	return cnt;
}

ll count_rectangles(vector<vector<int>> a) {
	n = a.size(); m = a[0].size();
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			grid[i][j] = a[i][j];
		}
	}
	if (n <= 3) {
		return ans1();
	}
	return 0;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 0 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28