#include <bits/stdc++.h>
#include "souvenirs.h"
using namespace std;
void buy_souvenirs(int n, long long p0){
  for(int i = n-1; i >= 1; i++){
    for(int j = 1; j <= (n-i); i++){
      pair<vector<int>,int>g=transaction(i);
    }
  }
    
}
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