제출 #1148791

#제출 시각아이디문제언어결과실행 시간메모리
1148791ereringLongest Trip (IOI23_longesttrip)C++20
0 / 100
398 ms408 KiB
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#include "longesttrip.h"
vector<int> longest_trip(int N, int D)
{
    int a[N];
    for(int i=0;i<N;i++)a[i]=i;
    random_device rd;
    mt19937 g(rd());
    vector<int> ans;
    for(int i=0;i<256;i++) {
        shuffle(a, a + N, g);
        vector<int> vec;
        vec.pb(a[0]);
        for(int j=1;j<N;j++){
            vector<int> v1,v2;
            v1.pb(a[j-1]);
            v2.pb(a[j]);
            if(!are_connected(v1,v2))break;
            vec.pb(a[j]);
        }
        if(vec.size()>ans.size())ans=vec;
    }
    return ans;
}
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