# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
306873 | juggernaut | 벽 (IOI14_wall) | C++14 | 813 ms | 69624 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include"wall.h"
#include<bits/stdc++.h>
using namespace std;
int flag[8000000][2];
void upd(int v,int mn,int mx){
flag[v][0]=min(max(flag[v][0],mn),mx);
flag[v][1]=min(max(flag[v][1],mn),mx);
}
void push(int v,int l,int r){
if(l!=r){
upd(v<<1,flag[v][0],flag[v][1]);
upd((v<<1)+1,flag[v][0],flag[v][1]);
}
flag[v][0]=0;
flag[v][1]=2e9;
}
void update(int v,int l,int r,int ql,int qr,int mn,int mx){
if(ql<=l&&r<=qr){
upd(v,mn,mx);
return;
}
if(r<ql||qr<l)return;
push(v,l,r);
int mid=(l+r)>>1;
update(v<<1,l,mid,ql,qr,mn,mx);
update((v<<1)+1,mid+1,r,ql,qr,mn,mx);
}
void build(int v,int l,int r,int* res){
if(l==r){
res[l]=flag[v][0];
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