Compilare: main.cpp: In function 'int main()': main.cpp:29:44: warning: self-comparison always evaluates to true [-Wtautological-compare] if(d[i-(1<<j)].c!=inf&&(i&j==j)) ~^~~ main.cpp:29:44: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] main.cpp:33:71: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(d[i-(1<<j)].c<d[i].c||d[i-(1<<j)].c==d[i].c&&(d[i-(1<<j)].g+v[j])<d[i].g) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~