Compilare: user.cpp: In function ‘void lee(int, int, int)’: user.cpp:35:27: warning: unused variable ‘j’ [-Wunused-variable] int p=0,u=0,X,Y,a,b,i,j; ^ user.cpp: In function ‘int main()’: user.cpp:71:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0;k<strlen(buf);k++) ^ user.cpp:64:17: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:64:20: warning: unused variable ‘x’ [-Wunused-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:64:22: warning: unused variable ‘y’ [-Wunused-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:64:24: warning: unused variable ‘nr’ [-Wunused-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:64:32: warning: variable ‘a’ set but not used [-Wunused-but-set-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:64:34: warning: variable ‘b’ set but not used [-Wunused-but-set-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:64:36: warning: unused variable ‘s’ [-Wunused-variable] {int i,j,cc=1,k,ok,x,y,nr,mx=0,a,b,s,h=0,aa,ab; ^ user.cpp:117:15: warning: ‘ab’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<aa<<" "<<ab<<" "<<mx<<'\n'; ^ user.cpp:117:6: warning: ‘aa’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<aa<<" "<<ab<<" "<<mx<<'\n'; ^