Submission #249788

#	Time	Username	Problem	Language	Result	Execution time	Memory
249788		eohomegrownapps	Dancing Elephants (IOI11_elephants)	C++14	26 / 100	9035 ms	1656 KiB

elephants

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

int n,l;
set<int> elephants;
vector<int> elpos;

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

int update(int i, int y) {
    elephants.erase(elpos[i]);
    elpos[i]=y;
    elephants.insert(y);
    int ptr = 0;
    auto it = elephants.begin();
    while (it!=elephants.end()){
        ptr++;
        it = elephants.upper_bound(*it+l);
    }
    return ptr;
}

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