/in/foo.cc:3:11: error: uninitialized 'const N3505' [-fpermissive]
    3 | int const N3505;
      |           ^~~~~
/in/foo.cc:4:11: error: 'N' was not declared in this scope
    4 | int n,V,w[N],v[N];//w:weight   v:value
      |           ^
/in/foo.cc:4:16: error: 'N' was not declared in this scope
    4 | int n,V,w[N],v[N];//w:weight   v:value
      |                ^
/in/foo.cc:5:8: error: 'N' was not declared in this scope
    5 | int dp[N][13005];
      |        ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:11:22: error: 'w' was not declared in this scope
   11 |                 cin>>w[i]>>v[i];
      |                      ^
/in/foo.cc:11:28: error: 'v' was not declared in this scope
   11 |                 cin>>w[i]>>v[i];
      |                            ^
/in/foo.cc:16:20: error: 'w' was not declared in this scope
   16 |                 if(w[i]>j)dp[i][j]=dp[i-1][j];
      |                    ^
/in/foo.cc:16:27: error: 'dp' was not declared in this scope; did you mean 'dup'?
   16 |                 if(w[i]>j)dp[i][j]=dp[i-1][j];
      |                           ^~
      |                           dup
/in/foo.cc:17:22: error: 'dp' was not declared in this scope; did you mean 'dup'?
   17 |                 else dp[i][j]=max(dp[i-1][j],dp[i-1][j-w[i]]+v[i]);
      |                      ^~
      |                      dup
/in/foo.cc:17:62: error: 'v' was not declared in this scope
   17 |                 else dp[i][j]=max(dp[i-1][j],dp[i-1][j-w[i]]+v[i]);
      |                                                              ^
/in/foo.cc:19:15: error: 'dp' was not declared in this scope; did you mean 'dup'?
   19 |         cout<<dp[n][V];
      |               ^~
      |               dup