Compilare: user.cpp: In function ‘int main()’: user.cpp:20:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(s)) ^ user.cpp:23:72: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (s[j] > s[j+1] && s[j+1] < s[j+2] && j + 2 < strlen(s)) ^ user.cpp:36:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=2;i<strlen(s);i++) ^ user.cpp:13:13: warning: unused variable ‘l’ [-Wunused-variable] long p,i,l=0,m=0,vf=0,q=0,j; ^ user.cpp:13:17: warning: unused variable ‘m’ [-Wunused-variable] long p,i,l=0,m=0,vf=0,q=0,j; ^