Submission #995358

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
995358	2024-06-08 22:53:01	vjudge1	Synchronization (JOI13_synchronization)	C++17	0 / 100	184 ms	262144 KiB

synchronization

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#include <bits/stdc++.h>
#define rep(a,b,c) for(int a=b; a<c; a++)
#define repa(a,b) for(auto a:b)
#define ll long long
#define pb push_back
#define endl "\n"
#define pii pair<int, int>
#define fi first
#define se second
#define mid ((l+r)>>1)
using namespace std;
struct segtree{
  segtree *left, *right;
  int l, r, v=0;
  segtree(int x, int y): l(x), r(y){
    if(l==r) return;
    left = new segtree(l,mid);
    right= new segtree(mid+1,r);
  }
  void update(int x){
    if(r<x || x<l) return;
    if(x<=l && r<=x){
      v^=1;
      return;
    }
    left->update(x);
    right->update(x);
    v=((left->v)&(right->v));
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 10
• Subtask 4: 0 / 20
• Subtask 5: 0 / 40