Submission #284336

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
284336	2020-08-27 08:55:04	Alexa2001	Matryoshka (JOI16_matryoshka)	C++17	100 / 100	341 ms	16368 KiB

matryoshka

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#include <bits/stdc++.h>
using namespace std;
const int Nmax = 2e5 + 5;
int A[Nmax], B[Nmax], C[Nmax], D[Nmax], ans[Nmax];
vector<int> as;
int n, q;
class AIB
{
    int a[Nmax];
    int ub(int x)
    {
        return (x&(-x));
    }
public:
    int query(int x)
    {
        x = lower_bound(as.begin(), as.end(), x) - as.begin() + 1;
        int ans = 0;
        for(; x<=n; x+=ub(x))
            ans = max(ans, a[x]);
        return ans;
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25
• Subtask 4: 49 / 49