#include <bits/stdc++.h>
#include "treasure.h"
using namespace std;
typedef long long ll;
vector<vector<pair<int, int>>> mp(100000);
int id = 0;
vector<pair<int, int>> decode(vector<int> S){
    return mp[S.back()];
}
vector<int> encode(vector<pair<int, int>> P){
    ++id;
    mp[id] = P;
    vector<int> a;
    a.push_back(id);
    return a;
}
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