Submission #932701

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
932701	2024-02-24 03:42:20	WongChun1234	Genetics (BOI18_genetics)	C++14	47 / 100	1872 ms	18976 KiB

genetics

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#include<bits/stdc++.h>
using namespace std;
const int N=4150;
int n,m,k,cnt,bad[N];
string s;
bitset<4100> bs[N];
int main(){
  cin>>n>>m>>k;
  for (int i=1;i<=n;i++){
    cin>>s;
    for (int j=0;j<m;j++) bs[i][j]=(s[j]=='A');
  }
  for (int i=1;i<=n;i++){
    for (int j=i+1;j<=n;j++){
      if (i==j) continue;
      cnt=(bs[i]^bs[j]).count();
      if (cnt!=k) bad[j]=bad[i]=1;
    }
    if (!bad[i]){
      cout<<i<<"\n";
      return 0;
    }
  }
}
 
 
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• Subtask 2: 19 / 19
• Subtask 3: 28 / 28
• Subtask 4: 0 / 26