Submission #740507

#	Time	Username	Problem	Language	Result	Execution time	Memory
740507		vjudge1	Trener (COCI20_trener)	C++14	55 / 110	2056 ms	31172 KiB

trener

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
#define ll long long
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);
#define pb push_back
#define mod 1000000007
#define N 55
#define K 15005
string kelime[N][K];
ll int kactaneyol[N][K];
 
int main(){
  lalala;
  int n,k;
  cin>>n>>k;
  for(int i=0;i<n;i++){
    for(int j=0;j<k;j++){
        string a;cin>>a;
        kelime[i][j]=a;
    }
  }
  for(int i=0;i<k;i++)kactaneyol[0][i]=1;
  for(int i=0;i<n-1;i++){
    for(int j=0;j<k;j++){
      //cout<<kactaneyol[i][j]<<" ";
      string str=kelime[i][j];
      for(int jx=0;jx<k;jx++){
        string s=kelime[i+1][jx][0]+str, t=str+kelime[i+1][jx][i+1];
        if(s==kelime[i+1][jx]|| t==kelime[i+1][jx] ){
          kactaneyol[i+1][jx]+=kactaneyol[i][j];
          kactaneyol[i+1][jx]%=mod;
        }
      }
    }//cout<<endl;
  }
  ll int cev=0;
  for(int i=0;i<k;i++){
    //cout<<kactaneyol[n-1][i]<<" ";
    cev+=kactaneyol[n-1][i];
    cev%=mod;
  }
  cout<<cev<<endl;
}

• Subtask 1: 22 / 22
• Subtask 2: 33 / 33
• Subtask 3: 0 / 55