Submission #723104

#	Time	Username	Problem	Language	Result	Execution time	Memory
723104		GrandTiger1729	Rectangles (IOI19_rect)	C++17	0 / 100	6 ms	340 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>
using namespace std;

long long count_rectangles(std::vector<std::vector<int>> g){
	int n = g.size(), m = g[0].size();
    int ans = 0;
    for (int i = 0; i < m; i++){
        int maxn = 0;
        for (int j = i + 1; j < m - 1; j++){
            if (min(g[0][j], g[2][j]) <= g[1][j])
                break;
            maxn = max(maxn, g[1][j]);
            if (min(g[1][i], g[1][j + 1]) > maxn)
                ans++;
        }
    }
    return ans;
}

Compilation message (stderr)

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:6:6: warning: unused variable 'n' [-Wunused-variable]
    6 |  int n = g.size(), m = g[0].size();
      |      ^

• 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