#include "prison.h" #include<bits/stdc++.h> using namespace std; #define in insert #define all(x) x.begin(),x.end() #define pb push_back #define eb emplace_back #define ff first #define ss second //#define int long long typedef long long ll; typedef vector<int> vi; typedef set<int> si; typedef multiset<int> msi; typedef pair<int, int> pii; typedef vector<pii> vpii; vector<vector<int>> devise_strategy(int n) { vector<vector<int>> ret(n + 1, vector<int>(n + 1)); ret[0][0] = 0; for(int i = 1; i <= n; i++) { ret[0][i] = i; } for(int i = 1; i <= n; i++) { ret[i][0] = 1; for(int j = 1; j <= n; j++) { if(i < j) ret[i][j] = -1; else ret[i][j] = -2; } } return ret; }