#include "paint.h"
#include "bits/stdc++.h"
using namespace std;
int minimumInstructions(int n, int m, int k, vector<int> c, vector<int> ln, vector<vector<int>> g) {
vector<int> owner(k, -1);
for (int i = 0; i < m; i++) {
for (int x: g[i]) owner[x] = i;
}
vector<int> does(n);
for (int i = 0; i < n; i++) {
if (owner[c[i]] == -1) return -1;
does[i] = owner[c[i]];
}
set<int> st;
for (int i = 0; i < m; i++) st.insert(does[i]);
for (int i = m; i < n; i++) {
if (does[i] != does[i - m]) return -1;
}
if (st.size() != m) return -1;
return (n + m - 1) / m;
}
