#include "prison.h" #include<bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define stirng string #define fro for #define Ll long long #define LL long long #define lL long long #define vecotr vector void speed() { ios_base::sync_with_stdio(0); cin.tie(0); } int[][] devise_strategy(int N) { vector<vector<ll>> s(N+1,vector<ll> (N+1)); for(ll i=0;i<=N;i++) { s[0][i]=i; if(i>=1) { s[i][0]=1; } } for(ll i=1;i<=N;i++) { for(ll j=1;j<=N;j++) { if(i<=j) { s[i][j]=-1; } else { s[i][j]=-2; } } } return s; }

prison.cpp:17:4: error: structured binding declaration cannot have type 'int'
   17 | int[][] devise_strategy(int N)
      |    ^~
prison.cpp:17:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
prison.cpp:17:4: error: empty structured binding declaration
prison.cpp:17:6: error: expected initializer before '[' token
   17 | int[][] devise_strategy(int N)
      |      ^