Submission #1140372

#	Time	Username	Problem	Language	Result	Execution time	Memory
1140372		brianhdzmdo	Prisoner Challenge (IOI22_prison)	C++20	Compilation error	0 ms	0 KiB

prison

#include <bits/stdc++.h>
#include "prison.h"
#define all(a) (a).begin(), (a).end()
#define allr(a) (a).rbegin(), (a).rend()
#define ll long long
#define fr(i, a, b) for (ll i = a; i < b; i++)
#define fr1(i, a, b) for (ll i = a - 1; i >= b; i--)
#define fi first
#define se second
#define mp(j, k) make_pair(j, k)
#define pb(x) push_back(x)
#define pbp(x, y) push_back({x, y})
#define in(x) insert(x)
#define vec vector<ll>
#define vecv vector<vector<ll>>
#define veb vector<bool>
#define vecp vector<pair<ll,ll>>
#define yes cout << "YES\n";
#define no cout << "NO\n";
#define ac 1e-7
#define fauto(a)   \
  for (auto i : a) \
    cout << i << " ";
#define fautop(a)  \
  for (auto i : a) \
    cout << i.fi << " " << i.se << endl;
 
#define int long long

using namespace std;

vector<vector<int>> devise_strategy(int N)
{
  vecv ans(N + 1, vec(N + 1));

  fr(i, 0, N + 1)
  {
    fr(j, 1, N + 1)
    {
      if(!i)
      {
        if(j == 1)
        {
          ans[i][j] = -1;
        }
        else if(j == 3)
        {
          ans[i][j] = -2;
        }
        else
          ans[i][j] = 1;
      }
      else if(i == 1)
      {
        if(j == 1)
        {
          ans[i][j] = -2;
        }
        else if(j == 3)
        {
          ans[i][j] = -1;
        }
        else
          ans[i][j] = 0;
      }
    }
  }

  return ans;
} 

Compilation message (stderr)

/usr/bin/ld: /tmp/ccSrvVW7.o: in function `main':
grader.cpp:(.text.startup+0x17b): undefined reference to `devise_strategy(int)'
collect2: error: ld returned 1 exit status