/in/foo.cc: In function 'int main()':
/in/foo.cc:10:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i = 1; i< sizeof(nC)/sizeof(int); i++)
                     ~^~~~~~~~~~~~~~~~~~~~
/in/foo.cc:14:18: error: 'nVol' was not declared in this scope
             if(j<nVol[i])
                  ^~~~
/in/foo.cc:24:13: error: expected '}' at end of input
     return 0;
             ^