Submission #719822

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
7198222023-04-06 18:41:03ovidiush11Wall (IOI14_wall)C++14
61 / 100
538 ms262144 KiB
#include <bits/stdc++.h>
#include "wall.h"
using namespace std;
#define ff first
#define ss second
const int inf = 1e9;
const int K = 5e5;
int amn[4*K],amx[4*K];
int pos[K];
void build(int p,int l,int r)
{
if(l == r)pos[l] = p;
else
{
int m = (l + r) / 2;
build(p*2,l,m);
build(p*2+1,m+1,r);
}
amn[p] = 0;
amx[p] = inf;
return ;
}
void change(int p)
{
 
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