Compilare: main.cpp: In function 'int main()': main.cpp:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n;i++) ~^~ main.cpp:27:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n;i++) ~^~ main.cpp:28:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i;j<n;j++) ~^~ main.cpp:30:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i!=j && A[i] ^ A[j] && numar_de_biti_1(A[i]|A[j]) <=m) ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ main.cpp:37:45: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] if(numar_de_biti_1( A[i] | A[j] <= m)) ~~~~~^~~~