Submission #697226

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
697226	2023-02-09 00:00:12	ToroTN	벽 (IOI14_wall)	C++14	100 / 100	803 ms	103288 KiB

wall

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#include<bits/stdc++.h>
using namespace std;
#define X first 
#define Y second
#define mp make_pair
#include "wall.h"
pair<int,int> lz[8000005],seg[8000005];
int ans[2000005];
pair<int,int> merge(pair<int,int> lz1,pair<int,int> lz2)
{
    if(lz2.X>lz1.Y)return mp(lz2.X,lz2.X);
    if(lz2.Y<lz1.X)return mp(lz2.Y,lz2.Y);
    return mp(max(lz1.X,lz2.X),min(lz1.Y,lz2.Y));
}
void update(int tree,int st,int ed,int l,int r,int x,int y)
{
    int md=(st+ed)/2;
    if(st>=l&&ed<=r)
    {
        lz[tree]=merge(lz[tree],mp(x,y));
    }
    if(st!=ed)
    {
        lz[2*tree]=merge(lz[2*tree],lz[tree]);
        lz[2*tree+1]=merge(lz[2*tree+1],lz[tree]);
    }
    seg[tree]=merge(seg[tree],lz[tree]);
    lz[tree].X=0,lz[tree].Y=1e9;
    if(st>r||ed<l)return;
    if(st>=l&&ed<=r)return;
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39