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Submission #1113077

# Submission time Handle Problem Language Result Execution time Memory
1113077 2024-11-15T16:26:58 Z raspy Global Warming (CEOI18_glo) C++17
100 / 100
 57 ms 8544 KB 
#include <bits/stdc++.h>
#include <iostream>
#include <set>
#include <map>

#define int long long
#define vi vector<int>
#define ii pair<int, int>
#define f first
#define s second
#define all(x) (x).begin(), (x).end()
#define P 31
#define mod 1'000'000'007
#define inf 1'000'000'000'000
#define pb push_back
#define str string
#define sz(x) (x).size()
#define vvi vector<vi>
#define fun function
#define oopt cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(false);
#define file freopen("problemname.in", "r", stdin); freopen("pr.out", "w", stdout);
#define dbg(v) cout << "Line(" << __LINE__ << ") -> " << #v << " = " << (v) << endl;

using namespace std;
template <class T, int SZ> using arr = array<T, SZ>;

void solve()
{
	int n, x;
	cin >> n >> x;
	vi a(n);
	for (int&v:a)
		cin >> v;
	vi lis(n, inf);
	vi lds(n, inf);
	vi rhs(n);
	for (int i = n-1; i >= 0; i--)
	{
		a[i] = -a[i];
		int ix = lower_bound(all(lds), a[i])-lds.begin();
		lds[ix] = a[i];
		rhs[i] = ix+1;
		a[i] = -a[i];
		// cout << i << " " << rhs[i] << "\n";
	}
	int rez = 0;
	for (int i = 0; i < n; i++)
	{
		int ix = lower_bound(all(lis), a[i]+x)-lis.begin();
		// cout << i << " " << ix << " " << rhs[i] << "\n";
		rez = max(rez, ix+rhs[i]);
		ix = lower_bound(all(lis), a[i])-lis.begin();
		lis[ix] = a[i];
	}
	cout << rez << "\n";
}

signed main()
{
	oopt;
	int t = 1;
	// cin >> t;
	while (t--)
		solve();
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 2 ms 592 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 2 ms 592 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 8532 KB Output is correct
2 Correct 57 ms 8528 KB Output is correct
3 Correct 50 ms 8528 KB Output is correct
4 Correct 50 ms 8528 KB Output is correct
5 Correct 35 ms 7752 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2384 KB Output is correct
2 Correct 12 ms 2384 KB Output is correct
3 Correct 11 ms 2384 KB Output is correct
4 Correct 10 ms 2128 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 9 ms 2308 KB Output is correct
7 Correct 11 ms 2520 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 4432 KB Output is correct
2 Correct 27 ms 4432 KB Output is correct
3 Correct 44 ms 8544 KB Output is correct
4 Correct 38 ms 7760 KB Output is correct
5 Correct 19 ms 4176 KB Output is correct
6 Correct 33 ms 7436 KB Output is correct
7 Correct 38 ms 8008 KB Output is correct
8 Correct 19 ms 4432 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 2 ms 592 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 49 ms 8532 KB Output is correct
28 Correct 57 ms 8528 KB Output is correct
29 Correct 50 ms 8528 KB Output is correct
30 Correct 50 ms 8528 KB Output is correct
31 Correct 35 ms 7752 KB Output is correct
32 Correct 12 ms 2384 KB Output is correct
33 Correct 12 ms 2384 KB Output is correct
34 Correct 11 ms 2384 KB Output is correct
35 Correct 10 ms 2128 KB Output is correct
36 Correct 1 ms 336 KB Output is correct
37 Correct 9 ms 2308 KB Output is correct
38 Correct 11 ms 2520 KB Output is correct
39 Correct 22 ms 4432 KB Output is correct
40 Correct 27 ms 4432 KB Output is correct
41 Correct 44 ms 8544 KB Output is correct
42 Correct 38 ms 7760 KB Output is correct
43 Correct 19 ms 4176 KB Output is correct
44 Correct 33 ms 7436 KB Output is correct
45 Correct 38 ms 8008 KB Output is correct
46 Correct 19 ms 4432 KB Output is correct
47 Correct 24 ms 4432 KB Output is correct
48 Correct 24 ms 4424 KB Output is correct
49 Correct 56 ms 8400 KB Output is correct
50 Correct 34 ms 7760 KB Output is correct
51 Correct 30 ms 5968 KB Output is correct
52 Correct 36 ms 7760 KB Output is correct
53 Correct 36 ms 7760 KB Output is correct
54 Correct 37 ms 8520 KB Output is correct
55 Correct 41 ms 8528 KB Output is correct