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Submission #789184

# Submission time Handle Problem Language Result Execution time Memory
789184 2023-07-21T07:12:07 Z boyliguanhan Global Warming (CEOI18_glo) C++17
100 / 100
 88 ms 5080 KB 
#include<bits/stdc++.h>
using namespace std;
int pre[200100], suf[200100], arr[200100], ans;
vector<int> v;
int main() {
    int n, x;
    cin >> n >> x;
    for(int i = 0; i < n; i++) {
        cin >> arr[i];
        auto it = lower_bound(v.begin(), v.end(), arr[i]);
        pre[i] = it-v.begin()+1;
        if(it==v.end())
            v.push_back(arr[i]);
        else *it = arr[i];
    }
    v.clear();
    for(int i = n; i--;) {
        auto it = lower_bound(v.begin(), v.end(), arr[i], [](int a, int b){return a>b;});
        auto i2 = lower_bound(v.begin(), v.end(), arr[i] - x, [](int a, int b){return a>b;});
        suf[i] = i2-v.begin()+1;
        if(it==v.end())
            v.push_back(arr[i]);
        else *it = arr[i];
    }
    for(int i = 0; i < n; i++){
        ans = max(ans, pre[i]+suf[i]-1);
    }
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 312 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 312 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 312 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 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 316 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 4480 KB Output is correct
2 Correct 82 ms 4492 KB Output is correct
3 Correct 83 ms 4516 KB Output is correct
4 Correct 82 ms 4528 KB Output is correct
5 Correct 49 ms 4288 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1324 KB Output is correct
2 Correct 20 ms 1300 KB Output is correct
3 Correct 19 ms 1320 KB Output is correct
4 Correct 13 ms 1408 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 12 ms 1364 KB Output is correct
7 Correct 21 ms 1336 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 2368 KB Output is correct
2 Correct 37 ms 2392 KB Output is correct
3 Correct 77 ms 4492 KB Output is correct
4 Correct 50 ms 4200 KB Output is correct
5 Correct 25 ms 2360 KB Output is correct
6 Correct 45 ms 4208 KB Output is correct
7 Correct 59 ms 4848 KB Output is correct
8 Correct 34 ms 2436 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 312 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 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 316 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 84 ms 4480 KB Output is correct
28 Correct 82 ms 4492 KB Output is correct
29 Correct 83 ms 4516 KB Output is correct
30 Correct 82 ms 4528 KB Output is correct
31 Correct 49 ms 4288 KB Output is correct
32 Correct 20 ms 1324 KB Output is correct
33 Correct 20 ms 1300 KB Output is correct
34 Correct 19 ms 1320 KB Output is correct
35 Correct 13 ms 1408 KB Output is correct
36 Correct 1 ms 308 KB Output is correct
37 Correct 12 ms 1364 KB Output is correct
38 Correct 21 ms 1336 KB Output is correct
39 Correct 39 ms 2368 KB Output is correct
40 Correct 37 ms 2392 KB Output is correct
41 Correct 77 ms 4492 KB Output is correct
42 Correct 50 ms 4200 KB Output is correct
43 Correct 25 ms 2360 KB Output is correct
44 Correct 45 ms 4208 KB Output is correct
45 Correct 59 ms 4848 KB Output is correct
46 Correct 34 ms 2436 KB Output is correct
47 Correct 43 ms 2332 KB Output is correct
48 Correct 40 ms 2432 KB Output is correct
49 Correct 88 ms 4524 KB Output is correct
50 Correct 49 ms 4224 KB Output is correct
51 Correct 46 ms 3432 KB Output is correct
52 Correct 54 ms 4384 KB Output is correct
53 Correct 50 ms 4468 KB Output is correct
54 Correct 64 ms 5080 KB Output is correct
55 Correct 72 ms 4564 KB Output is correct