#include "paint.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100'000 + 12;
vector<int> g[maxn], u[maxn];
int Cur[maxn], cnt[maxn];
bool is[maxn];
int minimumInstructions(
int n, int m, int k, vector<int> c, vector<int> A, vector<vector<int>> B) {
for(int i = 0; i < m; i++) {
sort(B[i].begin(), B[i].end());
for(int x : B[i]) {
g[x].push_back(i);
}
}
for(int j = 0; j < n; j++) {
u[max(0, j - m + 1)].push_back(j);
for(int i : g[c[j]]) {
int val = (i - j) % m;
if(val < 0) val += m;
val++;
}
}
for(int i = 0; i < n; i++) {
for(int y : u[i]) {
for(int x : g[c[y]]) {
int val = (x - y) % m;
if(val < 0) val += m;
cnt[Cur[val]]--;
Cur[val]++;
cnt[Cur[val]]++;
}
}
is[i] = (cnt[m] > 0);
for(int x : g[c[i]]) {
int val = (x - i) % m;
if(val < 0) val += m;
cnt[Cur[val]]--;
Cur[val]--;
cnt[Cur[val]]++;
}
}
int ans = 0, last = -1e9, cur = -1e9;
for(int i = 0; i < n; i++) {
if(is[i]) last = i;
if(i - cur >= m) {
if(i - last >= m) {
return -1;
}
cur = last;
ans++;
}
}
return ans;
}
