Compilare: main.cpp: In function 'void func(int)': main.cpp:14:21: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if ((x>>i)&1==1) ~^~~ main.cpp: In function 'int main()': main.cpp:29:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (cnt1==s.size()) ~~~~^~~~~~~~~~ main.cpp:45:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (cnt1==s.size()) ~~~~^~~~~~~~~~ main.cpp: In function 'void func(int)': main.cpp:10:11: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] int i,y; ^