/in/foo.cc: In member function 'void Graph::Read()':
/in/foo.cc:44:20: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   for ( int i = Nv + m << 2; i >= 0; i-- ) W[ i ] = 0; 
                 ~~~^~~
/in/foo.cc: In member function 'FlowType Graph::MaxFlow()':
/in/foo.cc:100:42: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    while ( d = ArgumentPath( S, Infinity ) ) Flow += d;
                                          ^