Compilare: main.cpp: In function 'int sol(int, int, int)': main.cpp:20:14: warning: left operand of comma operator has no effect [-Wunused-value] 20 | return (x-p,y-p,p/2); | ~^~ main.cpp:20:18: warning: right operand of comma operator has no effect [-Wunused-value] 20 | return (x-p,y-p,p/2); | ~^~