Compilare: main.cpp: In function 'int main()': main.cpp:20:29: warning: right operand of comma operator has no effect [-Wunused-value] 20 | cin >> pct[1].x, pct[1].y; | ~~~~~~~^ main.cpp:24:33: warning: right operand of comma operator has no effect [-Wunused-value] 24 | cin >> pct[i].x, pct[i].y; | ~~~~~~~^