/in/foo.cc:3:4: error: stray '\342' in program
 int​ n,m,i,q,ans=1;
    ^
/in/foo.cc:3:5: error: stray '\200' in program
 int​ n,m,i,q,ans=1;
     ^
/in/foo.cc:3:6: error: stray '\213' in program
 int​ n,m,i,q,ans=1;
      ^
/in/foo.cc:4:11: error: stray '\342' in program
 int main()​{
           ^
/in/foo.cc:4:12: error: stray '\200' in program
 int main()​{
            ^
/in/foo.cc:4:13: error: stray '\213' in program
 int main()​{
             ^