Submission #1262246

#	Time	Username	Problem	Language	Result	Execution time	Memory
1262246		abdelhakim	Souvenirs (IOI25_souvenirs)	C++20	4 / 100	0 ms	420 KiB

souvenirs

#include "souvenirs.h"
#include <bits/stdc++.h>
#define ll long long
#define dbg(x) cerr<<#x << ' ' << x << endl;
using namespace std;
ll n;
vector<ll> value;
vector<ll> cnt;
void printvec(vector<ll>& v)
{
  for (auto &&e : v)
  {
    cout << e << ' ' ;
  }
  cout << endl; 
}
void gad(vector<int>& v)
{
  for (auto &&e : v)
  {
    cnt[e]++;
  }
}
void buy_souvenirs(int N, long long P0) {
  // std::pair<std::vector<int>, long long> res = transaction(3);
  n=N;
  value.resize(n);
  cnt.resize(n);
  value[0]=P0;
  ll j=0;
  while(j<n-1)
  {
    ll val=value[j]/2;
    if(j==n-2) val=value[j]-1;
    pair<vector<int>,ll> res = transaction(val);
    gad(res.first);
    j=res.first[0];
    value[j]=val-res.second;
  }
  for (int i=n-1;i>=0;i--)
  {
    if(value[i]==0)
    {
      if(value[i-1]==0)cout <<"noooo"<<endl;
      pair<vector<int>,ll> res = transaction(value[i-1]-1);
      ll val=value[i-1]-1-res.second;
      for (auto &&e : res.first)
      {
        if(e!=i)val-=value[e];
      }
      value[i]=val;
      gad(res.first);
    }
  }
  for (int i=1;i<n;i++)
  {
    while(cnt[i]<i)
    {
      pair<vector<int>,ll> res = transaction(value[i]);
      cnt[i]++;
    }
  }
  return;
}

• Subtask 0: 0 / 0
• Subtask 1: 4 / 4
• Subtask 2: 0 / 3
• Subtask 3: 0 / 14
• Subtask 4: 0 / 18
• Subtask 5: 0 / 28
• Subtask 6: 0 / 33