Submission #462220

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
462220	2021-08-10 08:47:46	Tenis0206	Exam (eJOI20_exam)	C++11	100 / 100	100 ms	10828 KiB

exam

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#include <bits/stdc++.h>
using namespace std;
int n;
int a[100005],b[100005],l[100005],r[100005],fr[100005];
vector<int> poz[200005],v;
class arbore_indexat_binar
{
    int aib[100005];
private:
    int ub(int x)
    {
        return (x&(-x));
    }
public:
    void update(int poz, int val)
    {
        for(int i=poz;i<=n;i+=ub(i))
        {
            aib[i] = max(aib[i],val);
        }
    }
    int query(int poz)
    {
        int rez = 0;
        for(int i=poz;i>=1;i-=ub(i))
        {
            rez = max(rez,aib[i]);
        }
        return rez;
 
 
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