Compilare: user.cpp: In function ‘int main()’: user.cpp:23:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i < strlen(v) ) ^ user.cpp:26:71: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (v[j] > v[j+1] && v[j+1] < v[j+2] && j + 2 <strlen(v)) ^ user.cpp:21:11: warning: variable ‘k’ set but not used [-Wunused-but-set-variable] {int k,j,maxx=0; ^ user.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=2;i<strlen(v);i++) ^