Compilare: user.cpp: In function ‘int main()’: user.cpp:37:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(s)) ^ user.cpp:78:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( i<=strlen(s) && s[i]>='0' && s[i] <= '9') ^ user.cpp:25:9: warning: unused variable ‘nr’ [-Wunused-variable] int nr,nrv=0,max1=0,mini,nrm,numar=0,se,sum=0,minim=0,smax=0; ^ user.cpp:25:18: warning: unused variable ‘max1’ [-Wunused-variable] int nr,nrv=0,max1=0,mini,nrm,numar=0,se,sum=0,minim=0,smax=0; ^ user.cpp:25:25: warning: unused variable ‘mini’ [-Wunused-variable] int nr,nrv=0,max1=0,mini,nrm,numar=0,se,sum=0,minim=0,smax=0; ^ user.cpp:25:30: warning: unused variable ‘nrm’ [-Wunused-variable] int nr,nrv=0,max1=0,mini,nrm,numar=0,se,sum=0,minim=0,smax=0; ^ user.cpp:25:51: warning: unused variable ‘minim’ [-Wunused-variable] int nr,nrv=0,max1=0,mini,nrm,numar=0,se,sum=0,minim=0,smax=0; ^