Submission #363542

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
363542	2021-02-06 13:47:20	soroush	Dancing Elephants (IOI11_elephants)	C++14	100 / 100	3551 ms	12720 KiB

elephants

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#include <bits/stdc++.h>
 
using namespace std;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
const int maxn = 3e6 + 100;
const int sq = 400;
 
int n , l , SZ , cnt , ucnt;
int x[maxn];
int a[maxn] , b[maxn];
 
struct comp{
  int a[sq * 2] , cnt[sq * 2] , lst[sq * 2] , sz;
  void init(){
    int k = sz;
    for(int i = sz ; i ; i --){
      while(k > i and a[k - 1] - a[i] > l)k --;
      if(a[sz] - a[i] <= l) cnt[i] = 1 , lst[i] = a[i] + l;
      else cnt[i] = cnt[k] + 1 , lst[i] = lst[k];
    }
  }
}comps[sq];
 
void init(int N , int L , int X[]){
  n = N , l = L;
  SZ = 380 , cnt = 1;
  for(int i = 0 ; i < n ; i ++){
    x[i] = X[i];
 
 
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Compilation message (stderr)

elephants.cpp: In function 'int get()':
elephants.cpp:87:7: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
   87 |   lst = comps[i].lst[t];
      |   ~~~~^~~~~~~~~~~~~~~~~

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