Submission #656511

#	Time	Username	Problem	Language	Result	Execution time	Memory
656511		someone	Global Warming (CEOI18_glo)	C++14	27 / 100	114 ms	5464 KiB

glo

#include <bits/stdc++.h>
//#define int long long
using namespace std;
 
const int N = 2500 + 42, INF = 1e9 + 42;

int n, d;
set<int> lis;

void insert(int x) {
    auto it = lis.lower_bound(x);
    if(it != lis.end())
        lis.erase(it);
    lis.insert(x);
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    cin >> n >> d;
    for(int i = 0; i < n; i++) {
        int a; cin >> a;
        insert(a + d);
        insert(a);
    }
    cout << lis.size();
}

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