제출 #362228

#제출 시각아이디문제언어결과실행 시간메모리
362228knightron0Rectangles (IOI19_rect)C++14
37 / 100
5086 ms25452 KiB
#include <bits/stdc++.h> using namespace std; #define pb push_back #define fr first #define sc second #define clr(a, x) memset(a, x, sizeof(a)) #define dbg(x) cout<<"("<<#x<<"): "<<x<<endl; #define printvector(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout<<*it<<" "; cout<<endl; #define all(v) v.begin(), v.end() #define lcm(a, b) (a * b)/__gcd(a, b) #define printvecpairs(vec) for(auto it: vec) cout<<it.fr<<' '<<it.sc<<endl; #define endl '\n' #define lli long long int #define float long double const int MOD = 1e9 + 7; const int MAXN = 1e5 + 5; lli count_rectangles(vector<vector<int>> a) { int n = a.size(); int m = a[0].size(); lli ans =0; for(int r1= 0;r1<n;r1++){ for(int c1= 0;c1<m;c1++){ for(int r2= r1+2;r2<n;r2++){ for(int c2= c1+2;c2<m;c2++){ bool valid = true; for(int i= r1+1;i<r2;i++){ for(int j= c1+1;j<c2;j++){ int mn = min({a[i][c1], a[i][c2], a[r1][j], a[r2][j]}); if(a[i][j] >= mn){ valid = false; break; } } if(!valid) break; } ans += (lli)valid; } } } } return ans; } // signed main() { // ios_base::sync_with_stdio(false); // cin.tie(NULL); // #ifdef LOCAL // freopen("input.txt", "r", stdin); // #endif // int n, m; // cin>>n>>m; // vector<vector<int>> vec; // for(int i= 0;i<n;i++){ // vector<int> tmp; // for(int j= 0;j<m;j++){ // int x; // cin>>x; // tmp.pb(x); // } // vec.pb(tmp); // } // cout<<count_rectangles(vec)<<endl; // return 0; // }
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