Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:12: warning: unused variable 's' [-Wunused-variable]
int n,p,k,s=0,z=0;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:12: warning: unused variable 's' [-Wunused-variable]
int n,p,k,s=0,z=0;
^
