#include "prison.h" #include <bits/stdc++.h> using namespace std; std::vector<std::vector<int>> devise_strategy(int N) { vector<vector<int>> a(N + 1, vector<int>(N + 1, 0)); for(int i = 0; i <= N; i++) a[0][i] = i; for(int i = 1; i <= N; i++) a[i][0] = 1; int cnt = 1; for(int i = 1; i <= N; i++) { for(int j = 1; j <= N; j++) { if(j <= cnt) a[i][j] == -2; else a[i][j] = -1; } } return a; }