Compilare: user.cpp: In function ‘int main()’: user.cpp:17:12: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((p>>i)&1==1) ^ user.cpp:28:12: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((p>>i)&1==1) ^ user.cpp:10:18: warning: unused variable ‘i’ [-Wunused-variable] unsigned int i, n, p,nr; ^ user.cpp:14:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d %d", &n, &p); ^ user.cpp:25:12: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=nr;i>=0;i--) ^