Compilare: user.cpp: In function ‘int main()’: user.cpp:11:35: warning: unused variable ‘dif’ [-Wunused-variable] int n,k,i,sc = 0,j = 0,lmax=0,dif,st1 = 0,st = 0,dr1 = -1,dr = -1; ^ user.cpp:11:39: warning: unused variable ‘st1’ [-Wunused-variable] int n,k,i,sc = 0,j = 0,lmax=0,dif,st1 = 0,st = 0,dr1 = -1,dr = -1; ^ user.cpp:11:47: warning: unused variable ‘st’ [-Wunused-variable] int n,k,i,sc = 0,j = 0,lmax=0,dif,st1 = 0,st = 0,dr1 = -1,dr = -1; ^ user.cpp:11:54: warning: unused variable ‘dr1’ [-Wunused-variable] int n,k,i,sc = 0,j = 0,lmax=0,dif,st1 = 0,st = 0,dr1 = -1,dr = -1; ^ user.cpp:11:63: warning: unused variable ‘dr’ [-Wunused-variable] int n,k,i,sc = 0,j = 0,lmax=0,dif,st1 = 0,st = 0,dr1 = -1,dr = -1; ^