Compilare: main.cpp: In member function 'bool criteriu::operator()(drum, drum)': main.cpp:23:34: warning: self-comparison always evaluates to false [-Wtautological-compare] 23 | return dp[a.dragon][a.x] > dp[a.dragon][a.x]; | ~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:86:13: warning: unused variable 'cost' [-Wunused-variable] 86 | int x,y,cost; | ^~~~