#include "souvenirs.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef map<ll, ll> mp;
typedef pair<ll, ll> pll;
typedef queue<ll> qi;
typedef vector<ll> vi;
typedef vector <vi> vvi;
typedef vector <pll> vpl;
typedef vector <string> vs;
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define f first
#define s second
#define pb push_back
#define all(x) begin(x), end(x)
int g[105];
ll k[105];
int n;
ll p0;
void prep(ll ask){
pair<vector<int>, long long> res=transaction(ask);
for(int i: res.f) g[i]++;
auto orz=res;
while(true){
res=orz;
while(!res.f.empty() and k[res.f.back()]){
res.s+=k[res.f.back()];
res.f.pop_back();
}
if(res.f.size()==1 and (res.f[0]==n-1 || k[res.f[0]+1])){
k[res.f[0]]=ask-res.s;
break;
}
if(res.f.size()==1) prep(ask-res.s-1);
else prep((ask-res.s)/(res.f.size()));
}
}
void buy_souvenirs(int N, long long P0) {
n=N;
p0=P0;
k[0]=p0;
prep(p0-1);
for(int i=0; i<n; i++){
while(g[i]<i){
transaction(k[i]);
g[i]++;
}
}
}
