Submission #1070715

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070715		Boas	Prisoner Challenge (IOI22_prison)	C++17	5 / 100	16 ms	19192 KiB

prison

#include "prison.h"

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;

template <typename T1, typename T2>
using indexed_map = tree<T1, T2, less<T1>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename T>
using indexed_set = indexed_map<T, null_type>;

#define loop(x, i) for (int i = 0; i < (x); i++)
#define loop1(x, i) for (int i = 1; i <= (x); i++)
#define rev(x, i) for (int i = (int)(x) - 1; i >= 0; i--)
#define itloop(x) for (auto it = begin(x); x != end(x); it++)
#define itrev(x) for (auto it = rbegin(x); x != rend(x); it++)
#define INF ((int64_t)(4e18 + 1))
#define INF32 ((int32_t)(2e9 + 1))
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
#define removeIn(x, l) l.erase(find(ALL(l), x))
#define pb push_back
#define sz(x) (int)(x).size()
#define F first
#define S second
#define var const auto &
#define foreach(l) for (var e : l)

typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
typedef pair<int, int> ii;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<vii> vvii;
typedef vector<viii> vviii;
typedef set<int> si;
typedef set<ii> sii;
typedef set<iii> siii;
typedef vector<si> vsi;
typedef vector<sii> vsii;
typedef vector<vsi> vvsi;
typedef vector<string> vstr;
typedef vector<vector<string>> vvstr;
typedef vector<bool> vb;
typedef vector<vb> vvb;

vvi devise_strategy(int N)
{
  vvi s;
  s.pb(vi(N + 1));
  s[0][0] = 0;
  int size = N;
  for (int j = 1; j <= N; j++)
  {
    s[0][j] = j;
    s.pb(vi(N + 1));
    s.back()[0] = 1;
    for (int j2 = 1; j2 <= N; j2++)
    {
      if (j2 < j)
        s.back()[j2] = -2;
      else
        s.back()[j2] = -1;
    }
  }
  return s;
}

Compilation message (stderr)

prison.cpp: In function 'vvi devise_strategy(int)':
prison.cpp:59:7: warning: unused variable 'size' [-Wunused-variable]
   59 |   int size = N;
      |       ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 90