#include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i,n) for(int i=0;i>k; vectorv={1,2,3,4,5,6,7,8}; int ans=0; do { int temp=0; rep(i,8){ temp*=10; temp+=v[i]; } if(temp%k==0) ans++; } while (next_permutation(v.begin(), v.end())); cout<