제출 #824294

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
824294	2023-08-14 00:00:44	boyliguanhan	수천개의 섬 (IOI22_islands)	C++17	1.75 / 100	27 ms	2788 KiB

islands

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#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V) {
    int a = -1, b = -1, c = -1, d = -1;
    for(int i = 0; i < M; i++) {
        if(max(U[i], V[i])<3) {
            if(U[i]==1)
                b = i;
            else if(U[i]==2)
                d = i;
            else if(V[i]==1)
                a = i;
            else
                c = i;
        }
    }
    if(d<0) return false;
    return vector<int> {a,b,c,d,b,a,d,c};
}
 
 
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• Subtask 2: 1.75 / 5
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