Compilare: main.cpp: In function 'void coada(int, int)': main.cpp:21:36: warning: self-comparison always evaluates to true [-Wtautological-compare] if((a[ln][cn]^k)&ma==ma){ ~~^~~~ main.cpp:21:36: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] main.cpp: In function 'int main()': main.cpp:40:14: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] ma=ma+1<<i; ~~^~ main.cpp:47:34: warning: self-comparison always evaluates to true [-Wtautological-compare] if((a[i][j]^k)&ma==ma) ~~^~~~ main.cpp:47:34: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]