Submission #234302

#	Time	Username	Problem	Language	Result	Execution time	Memory
234302		UserIsUndefined	Rectangles (IOI19_rect)	C++14	37 / 100	5066 ms	22904 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>

long long count_rectangles(std::vector<std::vector<int> > a) {

    int n = a.size();
    int m = a[0].size();

    long long ans = 0;

    for (int i = 1 ; i < n - 1 ; i++){
        for (int j = 1 ; j < m - 1 ; j++){
            int limitTol = n - 1;
            int limitArad = m - 1;

            for (int tol = 1 ; tol + i - 1 < limitTol ; tol++){
                for (int arad = 1 ; arad + j - 1 < limitArad ; arad++){
                    int r1 = i, r2 = i + tol, c1 = j, c2 = j + arad;
                    bool ok = false;
                    for (int row = r1 ; row < r2 ; row++){
                        for (int cal = c1 ; cal < c2 ; cal++){
                            if (a[row][cal] < a[r1 - 1][cal] && a[row][cal] < a[row][c1 - 1] && a[row][cal] < a[r2][cal] && a[row][cal] < a[row][c2]){
                                continue;
                            }
                            else {
                                if (a[row][cal] >= a[r1 - 1][cal] || a[row][cal] >= a[row][c1 - 1])limitArad = cal;
                                ok = true;
                                break;
                            }
                        }
                        if (ok)break;
                    }


                    if (ok == false)ans++;


                }
            }
        }
    }

    return ans;

}

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