Submission #635579

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
635579	2022-08-26T13:19:42 Z	ColourAttila	Global Warming (CEOI18_glo)	C++17	100 / 100	105 ms	7976 KB

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = 3e10;

int main() {
	ll n,x;
    cin >>n >> x;

    vector<ll> v(n);
    for(ll&i : v) cin >> i;


    vector<ll> suf(n+1, 0), lds(n+1, -1);
    lds[0] = INF;
    for(ll i = n-1; i >= 0; i--) {
        ll l = 0, r = n, mo = n;
        while(l <= r) {
            ll mid = (l + r) / 2;
            if(lds[mid] > v[i]) {
                l = mid+1;
                mo = mid;
            }
            else r = mid-1;
        }
        //cout << i << ": " << mo << endl;
        mo++;
        suf[i] = mo;
        lds[mo] = v[i];
    }

    /*for(ll i = 0; i < n; i++) cout << suf[i] << ' ';
    cout << endl;*/

    vector<ll> dp(n+1, INF);
    dp[0] = -1;
    ll mo = 0;
    for(ll i = 0; i < n; i++) {
        ll a = lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin();
        /*cout << i << ": ";
        for(ll i = 0; i <= n; i++) cout << dp[i] << ' ';
        cout << endl << a << ", " << suf[i] << endl;*/
        mo = max(mo, a-1 + suf[i]);

        ll j = lower_bound(dp.begin(), dp.end(), v[i]) - dp.begin();
        dp[j] = v[i];
    }
    cout << mo << endl;
    return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	212 KB	Output is correct
11	Correct	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	212 KB	Output is correct
11	Correct	212 KB	Output is correct
12	Correct	212 KB	Output is correct
13	Correct	212 KB	Output is correct
14	Correct	212 KB	Output is correct
15	Correct	212 KB	Output is correct
16	Correct	212 KB	Output is correct
17	Correct	212 KB	Output is correct
18	Correct	212 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	244 KB	Output is correct
24	Correct	1 ms	300 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct

Subtask #4
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	104 ms	6556 KB	Output is correct
2	Correct	102 ms	6468 KB	Output is correct
3	Correct	103 ms	6456 KB	Output is correct
4	Correct	105 ms	6556 KB	Output is correct
5	Correct	71 ms	6468 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	25 ms	1876 KB	Output is correct
2	Correct	25 ms	1852 KB	Output is correct
3	Correct	26 ms	1844 KB	Output is correct
4	Correct	19 ms	1876 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	18 ms	1876 KB	Output is correct
7	Correct	24 ms	1844 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	50 ms	3384 KB	Output is correct
2	Correct	50 ms	4392 KB	Output is correct
3	Correct	102 ms	7856 KB	Output is correct
4	Correct	75 ms	7612 KB	Output is correct
5	Correct	37 ms	4008 KB	Output is correct
6	Correct	69 ms	7468 KB	Output is correct
7	Correct	89 ms	7652 KB	Output is correct
8	Correct	49 ms	4408 KB	Output is correct

Subtask #7
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	244 KB	Output is correct
24	Correct	1 ms	300 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	104 ms	6556 KB	Output is correct
28	Correct	102 ms	6468 KB	Output is correct
29	Correct	103 ms	6456 KB	Output is correct
30	Correct	105 ms	6556 KB	Output is correct
31	Correct	71 ms	6468 KB	Output is correct
32	Correct	25 ms	1876 KB	Output is correct
33	Correct	25 ms	1852 KB	Output is correct
34	Correct	26 ms	1844 KB	Output is correct
35	Correct	19 ms	1876 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	18 ms	1876 KB	Output is correct
38	Correct	24 ms	1844 KB	Output is correct
39	Correct	50 ms	3384 KB	Output is correct
40	Correct	50 ms	4392 KB	Output is correct
41	Correct	102 ms	7856 KB	Output is correct
42	Correct	75 ms	7612 KB	Output is correct
43	Correct	37 ms	4008 KB	Output is correct
44	Correct	69 ms	7468 KB	Output is correct
45	Correct	89 ms	7652 KB	Output is correct
46	Correct	49 ms	4408 KB	Output is correct
47	Correct	53 ms	4300 KB	Output is correct
48	Correct	51 ms	4400 KB	Output is correct
49	Correct	103 ms	7976 KB	Output is correct
50	Correct	72 ms	7684 KB	Output is correct
51	Correct	62 ms	5776 KB	Output is correct
52	Correct	83 ms	7884 KB	Output is correct
53	Correct	73 ms	7732 KB	Output is correct
54	Correct	93 ms	7936 KB	Output is correct
55	Correct	96 ms	7968 KB	Output is correct

Submission #635579

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 13.0 / 13.0

Subtask #4 10.0 / 10.0

Subtask #5 20.0 / 20.0

Subtask #6 17.0 / 17.0

Subtask #7 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
13.0 / 13.0

Subtask #4
10.0 / 10.0

Subtask #5
20.0 / 20.0

Subtask #6
17.0 / 17.0

Subtask #7
25.0 / 25.0