Submission #964315

#	Time	Username	Problem	Language	Result	Execution time	Memory
964315		Andrey	Global Warming (CEOI18_glo)	C++14	10 / 100	57 ms	3936 KiB

glo

#include <bits/stdc++.h>
using namespace std;

int dude(vector<int>& haha, int x) {
    int l = 0,r = haha.size();
    while(l < r) {
        int m = (l+r+1)/2;
        if(haha[m] < x) {
            l = m;
        }
        else {
            r = m-1;
        }
    }
    return l;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n,x,a,ans = 0;
    cin >> n >> x;
    vector<int> haha(n+1,INT_MAX);
    vector<int> bruh(n+1,INT_MAX);
    haha[0] = 0;
    bruh[0] = 0;
    for(int i = 1; i <= n; i++) {
        cin >> a;
        int c = dude(haha,a);
        ans = max(ans,c+1);
        haha[c+1] = a;
        c = dude(bruh,a);
        ans = max(ans,c+1);
        bruh[c+1] = a;
        c = dude(haha,a+x);
        ans = max(ans,c+1);
        bruh[c+1] = a;
    }
    cout << ans;
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 10 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25