Submission #40109

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
40109	2018-01-27 08:15:14	funcsr	Dancing Elephants (IOI11_elephants)	C++14	100 / 100	7042 ms	28376 KiB

elephants

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#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include <cassert>
#include "elephants.h"
using namespace std;
#define INF 1145141919
#define rep(i, n) for (int i=0; i<(n); i++)
#define pb push_back
#define all(x) x.begin(), x.end()
#define _1 first
#define _2 second
typedef pair<int, int> P;
const int B = 1500;
const int MAX_S = (150000/B)+10;
int N, L, S;
int A[150000], ord[150000];
vector<int> G[MAX_S];
P dp[MAX_S][3*B];
void recalc(int b) {
  int n = G[b].size();
  if (n == 0) return;
  int h = n-1;
  for (int i=n-1; i>=0; i--) {
    int pos = G[b][i];
    while (h > i && G[b][h-1]-pos > L) h--;
    if (G[b][h]-pos <= L) {
      dp[b][i] = P(pos, 1);
 
 
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Compilation message (stderr)

elephants.cpp: In function 'int update(int, int)':
elephants.cpp:81:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (st == G[b].size()) continue;
              ^

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