Compilare: user.cpp: In function ‘int main()’: user.cpp:22:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++){ ^ user.cpp:26:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++){ ^ user.cpp:29:14: warning: statement has no effect [-Wunused-value] for(i;i<=n&&v[ord[i]]==x;i++) ^ user.cpp:29:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i;i<=n&&v[ord[i]]==x;i++) ^ user.cpp:33:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=2;i<=n;i++){ ^ user.cpp:35:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<x;j++){ ^ user.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=x+1;j<=nrmx;j++){ ^ user.cpp:44:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=nrmx;i++) ^ user.cpp: In function ‘void update(int, int)’: user.cpp:53:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(b<=nrmx){ ^