/in/foo.cc: In function 'void spfa(int*, int*, int)':
/in/foo.cc:47:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
             if (type == 0 && dist[j] > min(dist[t], w[j]) || type == 1 && dist[j] < max(dist[t], w[j]))
                 ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~