제출 #539021

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
539021	2022-03-18 09:27:01	amunduzbaev	L-triominoes (CEOI21_ltriominoes)	C++17	28 / 100	490 ms	524288 KiB

ltrominoes

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#include "bits/stdc++.h"
using namespace std;
#define ar array
struct mtx{
  vector<vector<int>> t;
  int n;
  
  mtx (int sz){
    n = sz;
    t.resize(n, vector<int>(n, 0));
  }
  
  mtx operator * (mtx& b){
    mtx c(n);
    for(int i=0;i<n;i++){
      for(int j=0;j<n;j++){
        for(int k=0;k<n;k++){
          c.t[i][j] |= (t[i][k] & b.t[k][j]);
        }
      }
    } return c;
  }
};
signed main(){
  ios::sync_with_stdio(0); cin.tie(0);
  
  int n, m, k; cin>>n>>m>>k;
 
 
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