제출 #797648

#제출 시각아이디문제언어결과실행 시간메모리
797648ChrisM2309수천개의 섬 (IOI22_islands)C++17
6.75 / 100
24 ms4384 KiB
#include <bits/stdc++.h>
using namespace std;

variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V){
    int cont0 = 0, cont1 = 0;
    int b1 = -1, b2 = -1, b3 = -1;
    for (int i = 0; i < M; i++){
        if(U[i] == 0){
            cont0++;
            if(b1==-1) b1 = i;
            else b2 = i;
        }
        else {
            cont1++;
            b3 = i; 
        }
    }
    if(cont0 > 1 and cont1 > 0){
        vector<int> ans = {b1, b3, b2, b1, b3, b2};
        return ans;
    } 
    return false;
}
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