Compilare: main.cpp: In function 'int Solve_Good()': main.cpp:69:42: warning: self-comparison always evaluates to false [-Wtautological-compare] if (mask[i.v] | cur.mask != cur.mask && dp[i.v][cur.mask] == -1 || dp[i.v][cur.mask] > dp[cur.nod][cur.mask] + (sz + 1) * i.lng) { ~~~~~~~~~^~~~~~~~~~~ main.cpp:69:42: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] main.cpp:69:54: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (mask[i.v] | cur.mask != cur.mask && dp[i.v][cur.mask] == -1 || dp[i.v][cur.mask] > dp[cur.nod][cur.mask] + (sz + 1) * i.lng) { ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool Gen::Check()': main.cpp:93:5: warning: no return statement in function returning non-void [-Wreturn-type] } ^