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  1. #include <iostream>
  2. #include <cstdio>
  3.  
  4. using namespace std;
  5. const int NMAX = 1004;
  6. const int KMAX = 6;
  7. int a[KMAX][NMAX], pos[KMAX][NMAX] , dp[NMAX];
  8. int main(){
  9.     #ifndef ONLINE_JUDGE
  10.         freopen("date.in","r",stdin);
  11.         freopen("date.out","w",stdout);
  12.     #endif
  13.     int n, k,sol = 0;
  14.     cin >> n >> k;
  15.     for(int i = 1;i <= k; ++i)
  16.         for(int j = 1;j <= n; ++j)
  17.         {
  18.             cin >> a[i][j];
  19.             pos[i][a[i][j]] = j;
  20.         }
  21.     for(int j = 1;j <= n; ++j)
  22.     {
  23.         int maxx = 0;
  24.         for(int p = 1;p < j; ++p){
  25.             int i;
  26.             for(i = 2;i <= k && pos[i][a[1][p]] < pos[i][a[1][j]];++i);
  27.             if(i==k+1 && dp[p] > maxx)
  28.                 maxx = dp[p];
  29.         }
  30.         dp[j] = maxx+1;
  31.         sol = max(sol,dp[j]);
  32.     }
  33.     cout<<sol<<"\n"; 
  34.     return 0;
  35. }
Success #stdin #stdout 0s 3348KB
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stdin 
Standard input is empty
stdout 
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https://ideone.com/zZZG8y
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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