#include "souvenirs.h"
#include <utility>
#include <vector>
//pragma GCC optimize("Ohio")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define matrix vector<vector<ll>>
#define fi first
#define se second
#define BIG __int128
#define wtf array<int,3>
#define dcm pair<int,int>
#define db long double
//MAIN
void buy_souvenirs(int N, ll P0){
    auto [v, c] = transaction(P0 - 1);
    P0 -= c;
    if (v.size() == 1){
        transaction(P0 - 1);
        transaction(P0 - 1);
    }
    else{
        transaction(P0 / 2);
    }
}
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... | 
| # | Verdict  | Execution time | Memory | Grader output | 
|---|
| Fetching results... |