Submission #667807

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
667807	2022-12-02 05:06:19	Baytoro	Wall (IOI14_wall)	C++17	100 / 100	542 ms	77388 KiB

wall

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#include "bits/stdc++.h"
//#include "grader.cpp"
#include "wall.h"
using namespace std;
//#define int long long
#define fr first
#define sc second
const int INF=1e9+17,mod=1e9+7;
const int N=2e6+5;
pair<int,int> st[4*N]; 
int ans[N];
pair<int,int> f(pair<int,int> a, pair<int,int> b){
  if(a.sc<b.fr)
    return {a.sc,a.sc};
  if(a.fr>b.sc)
    return {a.fr,a.fr};
  return {max(a.fr,b.fr),min(a.sc,b.sc)};
}
void push(int x){
  if(st[x]!=make_pair(-INF,INF)){
    st[2*x]=f(st[x],st[2*x]);
    st[2*x+1]=f(st[x],st[2*x+1]);
    st[x]={-INF,INF};
  }
}
void update(int x, int l, int r, int lx, int rx, pair<int,int> v){
  if(l>rx || r<lx) return;
  if(lx<=l && r<=rx){
    st[x]=f(v,st[x]);
    return;
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39