Submission #1113512

#	Time	Username	Problem	Language	Result	Execution time	Memory
1113512		imarn	Island Hopping (JOI24_island)	C++17	100 / 100	18 ms	764 KiB

island

#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define plx pair<ll,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define szz(r) (ll)r.size()
#define vi vector<int>
#define vvi vector<vi>
#define pp pair<ll,int>
#define ub(x,i) upper_bound(all(x),i)-x.begin()
using namespace std;
#include "island.h"

void solve(int N, int L) {int n=N;
    vector<int>vec;
    for(int i=1;i<=n-1;i++)vec.pb(query(1,i));
    int pr[N+1]={0};pr[1]=1;
    for(int i=2;i<=n;i++){
        int u=vec[i-2];
        if(pr[u])continue;
        for(int j=1;j<=n-1;j++){
            int v=query(u,j);
            if(!pr[v]){pr[v]=u;}
            else {pr[u]=v;break;}
        }
    }
    for(int i=2;i<=n;i++)answer(pr[i],i);
}

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 7 / 7
• Subtask 4: 9 / 9
• Subtask 5: 13 / 13
• Subtask 6: 15 / 15
• Subtask 7: 22 / 22
• Subtask 8: 28 / 28