foo.cc: In function ‘int main()’:
foo.cc:10:9: error: ‘cin’ was not declared in this scope
   10 |         cin>>T;
      |         ^~~
foo.cc:26:42: error: ‘max’ was not declared in this scope
   26 |                                 dp[i][j]=max(dp[i-1][j] , v[i]+dp[i-1][j-t[i]]);
      |                                          ^~~
foo.cc:30:9: error: ‘cout’ was not declared in this scope
   30 |         cout<<dp[m][T];
      |         ^~~~