Submission #1362578

#	Time	Username	Problem	Language	Result	Execution time	Memory
1362578		activedeltorre	Thousands Islands (IOI22_islands)	C++20	5 / 100	13 ms	3088 KiB

islands

#include "islands.h"

#include <cassert>
#include <cstdio>

#include <variant>
#include <vector>
#include <variant>
#include <vector>
using namespace std;

std::variant<bool, std::vector<int>> find_journey(
                                      int N, int M, std::vector<int> U, std::vector<int> V)
{
    int n=N;
    if (n >= 3)
    {
        vector<int>vec;
        int a=-1,b=-1,c=-1,d=-1;
        for(int i=0; i<M; i++)
        {
            if(U[i]==0 && V[i]==1)
            {
                if(a==-1)
                {
                    a=i;
                }
            }
            if(U[i]==1 && V[i]==0)
            {
                if(b==-1)
                {
                    b=i;
                }
            }
            if(U[i]==0 && V[i]==2)
            {
                if(c==-1)
                {
                    c=i;
                }
            }
            if(U[i]==2 && V[i]==0)
            {
                if(d==-1)
                {
                    d=i;
                }
            }
        }
        vec.push_back(a);
        vec.push_back(b);
        vec.push_back(c);
        vec.push_back(d);
        vec.push_back(b);
        vec.push_back(a);
        vec.push_back(d);
        vec.push_back(c);
        return vec;
    }
    return false;
}

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