Submission #578275

#	Time	Username	Problem	Language	Result	Execution time	Memory
578275		Dan4Life	Dancing Elephants (IOI11_elephants)	C++17	0 / 100	1 ms	468 KiB

elephants

#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;
int n, pos[70010], l;
multiset<int> S;

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

int update(int i, int y)
{
    S.erase(S.find(pos[i]));
    S.insert(y);
    int cur = *S.begin(), cnt = 1;
    for(auto u : S)
        if(cur+l<u) cur = u, cnt++;
    return cnt;
}

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