Compilare: user.cpp: In function ‘void radix(int)’: user.cpp:10:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<x.size();i++) a[x[i]/d%10].push_back(x[i]); ^ user.cpp:13:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<a[j].size();i++) x[k++]=a[j][i]; ^ user.cpp: In function ‘int main()’: user.cpp:4:18: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] #define minint -2^32-1 ^ user.cpp:19:11: note: in expansion of macro ‘minint’ int m=minint,n,i,y=0; ^ user.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<x.size();i++) g<<x[i]<<" "; ^