Submission #638256

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
638256	2022-09-05 06:24:45	jamezzz	Digital Circuit (IOI22_circuit)	C++17	2 / 100	716 ms	4152 KiB

circuit

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#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define maxn 100005
#define mod 1000002022
struct node{
  int s,e,m,v,lz;
  node *l,*r;
  node(int _s,int _e){
    s=_s;e=_e;m=(s+e)>>1;v=0;lz=0;
    if(s!=e)l=new node(s,m),r=new node(m+1,e);
  }
  void ppo(){
    if(lz)v=(e-s+1)-v;
    if(s!=e){
      l->lz^=lz;
      r->lz^=lz;
    }
    lz=0;
  }
  void set(int x,int nv){
    if(s==x&&e==x){v=nv;return;}
    if(x<=m)l->set(x,nv);
    else r->set(x,nv);
    l->ppo(),r->ppo();
    v=l->v+r->v;
 
 
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