Submission #103745

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
103745	2019-04-02 12:04:08	wxh010910	Dancing Elephants (IOI11_elephants)	C++17	100 / 100	2681 ms	47204 KiB

elephants

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#include <bits/stdc++.h>
#include "elephants.h"
using namespace std;
class node {
 public:
  node* l;
  node* r;
  node* p;
  bool is;
  int sz;
  node(bool is): is(is) {
    l = r = p = NULL;
    sz = is;
  }
  void pull() {
    sz = is;
    if (l != NULL) {
      l->p = this;
      sz += l->sz;
    }
    if (r != NULL) {
      r->p = this;
      sz += r->sz;
    }
  }
};
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3