/in/foo.cc: In function 'int main()':
/in/foo.cc:35:14: error: invalid conversion from 'int*' to 'int' [-fpermissive]
    for(int j=t;j>=ti[i];j--)
              ^
/in/foo.cc:35:19: error: 'ti' was not declared in this scope
    for(int j=t;j>=ti[i];j--)
                   ^~
/in/foo.cc:37:34: error: 'ci' was not declared in this scope
      f0[j]=max(f0[j],f0[j-ti[i]]+ci[i]);
                                  ^~