/in/foo.cc: In function 'int main()':
/in/foo.cc:13:28: error: 'dp' was not declared in this scope; did you mean 'dup'?
   13 |                 dp1[i]=max(dp[i],dp[j]+1);
      |                            ^~
      |                            dup
/in/foo.cc:17:28: error: 'dp' was not declared in this scope; did you mean 'dup'?
   17 |                 dp2[i]=max(dp[i],dp[j]+1);
      |                            ^~
      |                            dup