Submission #807472

#	Time	Username	Problem	Language	Result	Execution time	Memory
807472		Ozy	Thousands Islands (IOI22_islands)	C++17	5 / 100	26 ms	4176 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
#include <variant>
using namespace std;
#define lli long long int
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "
#define rep(i,a,b) for(int i = (a); i <= (b); i++)
#define repa(i,a,b) for(int i = (a); i >= (b); i--)
#define pll pair<lli,lli>

vector<int> camino;
lli a,b,c,d,n;

std::variant<bool, std::vector<int>> find_journey( int N, int M, std::vector<int> U, std::vector<int> V) {
  n = N;

  a = -1;
  b = -1;
  c = -1;
  rep(i,0,M-1) {
    if (U[i] == 0 && V[i] == 1) {
      if(a == -1) a = i;
      else c = i;
    }
    if (U[i] == 1 && V[i] == 0) b = i;
  }
  if(a == -1 || b == -1 || c == -1) return false;

  camino.push_back(a);
  camino.push_back(b);
  camino.push_back(c);
  camino.push_back(a);
  camino.push_back(b);
  camino.push_back(c);

  return camino;
  
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45