Compilare: main.cpp: In function 'int sol(int, int, int)': main.cpp:17:14: warning: left operand of comma operator has no effect [-Wunused-value] 17 | return (x-p,y-p,p/2); | ~^~ main.cpp:17:18: warning: right operand of comma operator has no effect [-Wunused-value] 17 | return (x-p,y-p,p/2); | ~^~