Submission #115168

#	Time	Username	Problem	Language	Result	Execution time	Memory
115168		songc	Dancing Elephants (IOI11_elephants)	C++14	26 / 100	9044 ms	2944 KiB

elephants

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

int N, L;
int A[101010];
multiset<int> S;

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

int update(int i, int y)
{
    S.erase(S.find(A[i]));
    A[i] = y;
    S.insert(y);
    int ans=0, k=-1234567890;
    for (int it : S) if (k+L < it) ans++, k=it;
    return ans;
}

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