#include using namespace std; int main() { int n, k, x; cin >> n >> k >> x; vector> hash(9, vector(n, 0)); for (int i = 0; i < n; i++) { int a; cin >> a; if (i == 0) hash[a][i] = 1; else hash[a][i] = hash[a][i - 1] + 1; } }