#include "prison.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<int>> devise_strategy(int N) {
vector<vector<int>> s(50);
for(int i = 0; i < 50; i++) {
if(i / 10 == 0) s[i].push_back(0);
else s[i].push_back(1);
for(int j = 1; j <= N; j++) {
int a[5];
a[1] = j / 1000;
a[2] = (j / 100) % 10;
a[3] = (j / 10) % 10;
a[4] = j % 10;
if(i / 10 != 0) {
if(i % 10 < a[i / 10]) s[i].push_back(-2);
else if(i % 10 > a[i / 10]) s[i].push_back(-1);
else s[i].push_back(i / 10 + 1);
}
else {
s[i].push_back((i / 10) * 10 + a[i / 10]);
}
}
}
return s;
}
