Submission #105910

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
105910	2019-04-15 15:38:42	Pajaraja	Genetics (BOI18_genetics)	C++17	100 / 100	1555 ms	160488 KiB

genetics

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#include <bits/stdc++.h>
using namespace std;
int uc[4][4107],k,m;
long long arr[4107][4107],ars[4107][1000];
bool c[4107],ps,p[4107][4107];
bool check(int a,int b)
{
  int x=0; p[a][b]=true;
  for(int i=0;i<=(ps?(m-1)/16:(m-1)/64);i++) x+=__builtin_popcountll(ars[a][i] xor ars[b][i]);
  if(ps) x/=2;
  if(x==k) return true;
  return false;
}
int main()
{
  ios::sync_with_stdio(false);
  int n;
  cin>>n>>m>>k;
  string s;
  for(int i=0;i<n;i++)
  {
    cin>>s;
    for(int j=0;j<m;j++)
    {
      if(s[j]=='A') arr[i][j]=0;
      if(s[j]=='C') arr[i][j]=1;
      if(s[j]=='G') arr[i][j]=2;
      if(s[j]=='T') arr[i][j]=3;
      if(arr[i][j]>1) ps=true;
      uc[arr[i][j]][j]++;
 
 
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Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:35:6: warning: unused variable 'x' [-Wunused-variable]
  int x=0,y=1;
      ^

• Subtask 1: 27 / 27
• Subtask 2: 19 / 19
• Subtask 3: 28 / 28
• Subtask 4: 26 / 26