Compilare: main.cpp: In function 'int calc(int, int, int, int)': main.cpp:13:21: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 13 | if ((x>>i)&1==1) r[i+1]=-1; | ~^~~ main.cpp:20:21: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 20 | if ((y>>j)&1==1) c[j+1]=-1; | ~^~~