Submission #1154958

#	Time	Username	Problem	Language	Result	Execution time	Memory
1154958		hiderr	Dancing Elephants (IOI11_elephants)	C++20	26 / 100	9093 ms	1348 KiB

elephants

#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;

#define loop(i, a, b) for(int i = a; i <= b; i++)
#define loop_rev(i, a, b) for(int i = a; i >= b; i--)
#define all(x) x.begin(), x.end()
#define sz(x) int(x.size())
#define pb push_back

using ll = long long;
vector<pair<int, int>> segs;
vector<int> x, y;
int n, d;

void brute_segs() {
  segs.clear();
  y = x;
  sort(all(y));
  int i = 0;
  while(i < n) {
    segs.pb({ y[i], y[i] + d });
    while(i < n && y[i] <= segs.back().second) {
      ++i;
    }
  }
}

void init(int N, int L, int X[]) {
  n = N, d = L;
  x.resize(n);
  loop(i, 0, n-1) {
    x[i] = X[i];
  }
  brute_segs();
}

int update(int i, int new_x) {
  x[i] = new_x;
  brute_segs();
  return sz(segs);
}

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