Submission #638207

#	Time	Username	Problem	Language	Result	Execution time	Memory
638207		blue	Prisoner Challenge (IOI22_prison)	C++17	Compilation error	0 ms	0 KiB

prison

#include "prison.h"
#include <bits/stdc++.h>
using namespace std;

using vi = vector<int>;
using vvi = vector<vi>;
using pii = pair<int, int>;
using vpii = vector<pii>;
using vvpii = vector<vpii>;

vvi devise_strategy(int N)
{
	vvi s(1+N, vi(1+N, -1));

	s[0][0] = 0;
	for(int i = 1; i <= N; i++)
		s[i][0] = 1;

	for(int i = 1; i <= N; i++)
	{
		for(int j = 1; j <= N; j++)
		{
			if(i < j)
				s[i][j] = -1;
			else
				s[i][j] = -2;
		}
	}


	return res;
}

Compilation message (stderr)

prison.cpp: In function 'vvi devise_strategy(int)':
prison.cpp:31:9: error: 'res' was not declared in this scope
   31 |  return res;
      |         ^~~