Submission #32172

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
32172	2017-10-01 17:50:04	gs14004	Synchronization (JOI13_synchronization)	C++14	100 / 100	256 ms	25324 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pi;
const int MAXN = 200005;
typedef long long lint;
struct lct{
  struct node{
    node *p, *l, *r, *pp;
    int idx;
    node(int _idx){
      p = l = r = pp = NULL;
      idx = _idx;
    }
  }*n[MAXN];
  void init(int v){
    for(int i=1; i<=v; i++) n[i] = new node(i);
  }
  void rotate(node *x){
    if(!x->p) return;
    node *p = x->p;
    bool is_left = (p->l == x);
    node *b = (is_left ? x->r : x->l);
    x->p = p->p;
    if(x->p && x->p->l == p) x->p->l = x;
    if(x->p && x->p->r == p) x->p->r = x;
    if(is_left){
      if(b) b->p = p;
      p->l = b;
      p->p = x;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'int main()':
synchronization.cpp:117:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&m,&q);
                            ^
synchronization.cpp:120:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&s[i],&e[i]);
                             ^
synchronization.cpp:129:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&v);
                 ^
synchronization.cpp:144:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&t);
                 ^

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40