Submission #183150

#	Time	Username	Problem	Language	Result	Execution time	Memory
183150		tri	Dancing Elephants (IOI11_elephants)	C++14	26 / 100	9068 ms	2680 KiB

elephants

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;

#define pb push_back
#define f first
#define s second

const int MAXN = 1.5e5 + 100;

int pos[MAXN];
multiset<int> pts;

int L;

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

int update(int i, int y) {
    pts.erase(pos[i]);
    pos[i] = y;
    pts.insert(y);

    int cnt = 0;

    auto it = pts.begin();

    while (it != pts.end()) {
        it = pts.upper_bound((*it) + L);
        cnt++;
    }
    return cnt;
}

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