Submission #850215

#	Time	Username	Problem	Language	Result	Execution time	Memory
850215		HunterXD	Dancing Elephants (IOI11_elephants)	C++17	26 / 100	9067 ms	9296 KiB

elephants

#include "elephants.h"

using namespace std;
#include <set>

int n, l;
int a[200000];
multiset<int> ms;

void init(int N, int L, int X[]) {
  n = N, l = L;
  for (int i = 0; i < n; i++) a[i] = X[i], ms.insert(X[i]);
}

int update(int i, int y) {
  ms.erase(ms.find(a[i])), a[i] = y, ms.insert(y);
  int sig = *ms.begin() + l, counter = 0;
  for (auto v : ms) {
    if (v > sig) counter++, sig = v + l;
  }
  return counter + 1;
}

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