Compilare: main.cpp: In function 'int main()': main.cpp:58:31: warning: self-comparison always evaluates to true [-Wtautological-compare] 58 | if((nr^s)&mask==mask) {c[i][j]=1; anm++;} | ~~~~^~~~~~ main.cpp:58:31: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 58 | if((nr^s)&mask==mask) {c[i][j]=1; anm++;} | ~~~~^~~~~~