Accepted
/in/foo.cc: In function 'bool spfa(int, int)':
/in/foo.cc:19:10: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
v[s]=c[s]=1;
~~~~^~
/in/foo.cc: In function 'bool spfa(int, int)':
/in/foo.cc:19:10: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
v[s]=c[s]=1;
~~~~^~
