Submission #1024990

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024990		mindiyak	Dancing Elephants (IOI11_elephants)	C++14	26 / 100	9047 ms	3796 KiB

elephants

#include "elephants.h"
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <string>
#include <iostream>
#include <cmath>
#include <numeric>
#include <set>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<int, int> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define nl endl
#define S second
#define lb lower_bound
#define ub upper_bound
#define aint(x) x.begin(), x.end()
#define raint(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;

int N,L;
set<int> arr;
vi pos;

void init(int n, int l, int X[])
{
  N=n;L=l;
  FOR(i,0,N){
    arr.insert(X[i]);
    pos.pb(X[i]);
  }
}

int update(int i, int y)
{
  arr.erase(pos[i]);
  arr.insert(y);
  pos[i] = y;
  ll ans = 0,start = -1;
  for(int node:arr){
    if(ans == 0 || node - start > L){
      start = node;
      ans ++;
    }
  }
  return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 0 / 24
• Subtask 4: 0 / 47
• Subtask 5: 0 / 3