제출 #426800

#제출 시각아이디문제언어결과실행 시간메모리
426800dreezyRectangles (IOI19_rect)C++17
0 / 100
1 ms392 KiB
#include "rect.h" #include <bits/stdc++.h> using namespace std; #define ll long long long long count_rectangles(vector<vector<int> > a) { int n = a.size(); int m = a[0].size(); ll ans = 0; for(int i =1; i<n-1 ;i++){ for(int j =1 ;j <m-1; j++){ int cnt = 0; if(a[i-1][j] < a[i][j]) cnt++; if(a[i+1][j] < a[i][j]) cnt++; if(a[i][j-1] < a[i][j]) cnt++; if(a[i][j+1] < a[i][j]) cnt++; if(cnt == 4) ans++; } } return ans; } /**************/
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