#include "paint.h"
#include<bits/stdc++.h>
using namespace std;
int minimumInstructions(int n, int m, int k, std::vector<int> c, std::vector<int> a, std::vector<std::vector<int>> b){
int pre[k][m];
for(int i=0; i<k; i++) for(int j=0; j<m; j++) pre[i][j] = 0;
for(int i=0; i<m; i++){
for(int j=0; j<a[i]; j++){
pre[b[i][j]][i] = 1;
}
}
int ans = 0;
for(int i=0; i<n;){
int mx = -1e9;
for(int j=0; j<m; j++){
if(!pre[c[i]][j]) continue;
int cnt = 0;
while(i + cnt < n and pre[c[i + cnt]][(j + cnt) % m] and cnt < m){
cnt++;
}
if(i - (m-cnt) < 0) continue;
int tf = 1;
for(int k=j-1, x=1; x<=m-cnt; k--, x++){
k = (k+m) % m;
if(!pre[c[i-x]][k]) tf = 0;
}
if(tf){
mx = std::max(mx, i+cnt);
}
}
if(mx == -1e9) return -1;
i = mx;
ans++;
}
return ans;
}
// signed main(){
// ios_base::sync_with_stdio(0);
// cin.tie(NULL);cout.tie(NULL);
// int n, m, k;
// cin>>n>>m>>k;
// vector<int> c;
// for(int i=0; i<n; i++){
// int x;
// cin>>x;
// c.push_back(x);
// }
// vector<int> a(m);
// vector<vector<int>> b(m);
// for(int i=0; i<m; i++){
// cin>>a[i];
// for(int j=0; j<a[i]; j++){
// int x;
// cin>>x;
// b[i].push_back(x);
// }
// }
// cout<<minimumInstructions(n, m, k, c, a, b);
// return 0;
// }
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