Submission #291106

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
291106	2020-09-04 16:52:19	Kastanda	Dancing Elephants (IOI11_elephants)	C++11	100 / 100	8939 ms	17540 KiB

elephants

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// M
#include<bits/stdc++.h>
#include "elephants.h"
using namespace std;
typedef long long ll;
const int N = 151234, SQ = 400, QS = N / SQ + 4, SCALE = N * 3;
int n, nsq, lzcnt, EXTRAS, B[N];
ll k, X[N];
vector < ll > V[QS];
vector < pair < int , ll > > dp[QS];
inline void Build(int block)
{
        int sz = (int)V[block].size();
        assert(sz >= 1); // For convenience.
        dp[block].resize(sz);
        int r = sz;
        for (int i = sz - 1; i >= 0; i --)
        {
                while (V[block][r - 1] > V[block][i] + k)
                        r --;
                if (r < sz)
                        dp[block][i] = {dp[block][r].first + 1, dp[block][r].second};
                else
                        dp[block][i] = {1, V[block][i] + k};
        }
}
inline void Erase(int block, ll val)
{
        for (int i = 0; i < (int)V[block].size(); i ++)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3