Compilare: user.cpp: In function ‘int shift(int, int, int, int)’: user.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:19:33: warning: unused variable ‘lastj’ [-Wunused-variable] int n, k, i, j, elements=1, lastj=1, currentk=1, dr=0,sens=1,st=0,moree=1, ik=1; ^ user.cpp:19:42: warning: unused variable ‘currentk’ [-Wunused-variable] int n, k, i, j, elements=1, lastj=1, currentk=1, dr=0,sens=1,st=0,moree=1, ik=1; ^ user.cpp:19:59: warning: unused variable ‘sens’ [-Wunused-variable] int n, k, i, j, elements=1, lastj=1, currentk=1, dr=0,sens=1,st=0,moree=1, ik=1; ^ user.cpp:19:80: warning: unused variable ‘ik’ [-Wunused-variable] int n, k, i, j, elements=1, lastj=1, currentk=1, dr=0,sens=1,st=0,moree=1, ik=1; ^ user.cpp:20:10: warning: unused variable ‘rest’ [-Wunused-variable] bool rest=0; ^