Submission #949893

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
949893	2024-03-19 20:33:28	fuad27	Genetics (BOI18_genetics)	C++17	100 / 100	476 ms	109704 KiB

genetics

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#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
const int N=4200;
mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());
bitset<N> b[N][2];
int cnt[N][4];
int dif[N][N];
int diff(int i, int j) {
  if(dif[i][j]>=0)return dif[i][j];
  return dif[i][j]=((b[i][0]^b[j][0])|(b[i][1]^b[j][1])).count();
}
int main () {
  cin.tie(0)->sync_with_stdio(0);
  int n, m, k;
  cin >> n >> m >> k;
  memset(dif, -1, sizeof dif);
  string a[n];
  for(int i =0 ;i<n;i++) {
    cin >> a[i];
    for(int j =0 ;j<m;j++) {
      if(a[i][j]=='A') {
        b[i][0][j]=b[i][1][j]=1;
        cnt[j][0]++;
      }
      else if(a[i][j]=='C') {
        b[i][0][j]=1;
        b[i][1][j]=0;
        cnt[j][1]++; 
      }
 
 
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• Subtask 1: 27 / 27
• Subtask 2: 19 / 19
• Subtask 3: 28 / 28
• Subtask 4: 26 / 26