Submission #301258

#	Time	Username	Problem	Language	Result	Execution time	Memory
301258		eagle30	Rectangles (IOI19_rect)	C++14	0 / 100	5071 ms	22776 KiB

rect

#include "rect.h"
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimization("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
long long count_rectangles(vector<vector<int> > a){
    int n=a.size(), m=a[0].size();
    int coun=0;
    for(int i=1; i<n-1; i++){
        for(int j=i; j<n-1; j++){
            for(int k=1; k<m-1; k++){
                bool is=true;
                for(int l=k; l<m-1; l++){
                    if(a[i][l]>=a[i-1][l] || a[i][l]>=a[i+1][l] || a[i][l]>=a[i][k-1] || a[i][l]>=a[i][l+1])
                        is=false;
                    if(is)
                        coun++;
                }
            }
        }
    }
    return coun;
}

Compilation message (stderr)

rect.cpp:4: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    4 | #pragma GCC optimization("unroll-loops")
      |

• 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