#include "souvenirs.h"
#include <utility>
#include <vector>
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mod = 1000000007, N = 200005;
int p[N+2];
void buy_souvenirs(int n, long long p0) {
    int ask = p0 - 1;
    for(int i = 1; i < n; i++){
        for(int j = 0; j < i - p[i]; j++){
            pair<vector<int>, long long> res = transaction(ask);
            for(auto &k : res.first){
                p[k]++;
            }
            ask = ask - res.second;
        }
        
        ask--;
    }
}
// int main(){
// cin.tie(0)->sync_with_stdio(0);
    
// }
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