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Submission #159943

# Submission time Handle Problem Language Result Execution time Memory
159943 2019-10-25T13:43:28 Z DS007 Global Warming (CEOI18_glo) C++14
100 / 100
 82 ms 5624 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    int n, x;
    cin >> n >> x;

    int t[n];
    for (int i = 0; i < n; i++)
        cin >> t[i];

    int lis1[n + 1];
    fill(lis1, lis1 + n + 1, 2e9);
    lis1[0] = -1;

    int len[n], val[n];
    memset(len, 0, sizeof(len));
    int temp = 0, temp1 = -1;

    for (int i = 0; i < n; i++) {
        auto it = lower_bound(lis1, lis1 + n + 1, t[i]);
        *it = t[i];

        /*if (temp > (int)(it - lis1))
            len[i] = temp, val[i] = temp1;
        else if (temp <= (int)(it - lis1))
            len[i] = temp = (int)(it - lis1), val[i] = temp1 = t[i];*/

        len[i] = (int)(it - lis1);
    }

    int lis2[n + 1];
    fill(lis2, lis2 + n + 1, -2e9);
    lis2[n] = 2e9;

    int ans = 1;

    for (int i = n - 1; i >= 0; i--) {
        auto it = upper_bound(lis2, lis2 + n + 1, t[i] - x);
        ans = max(ans, len[i] + n - (int)(it - lis2));
        it = upper_bound(lis2, lis2 + n + 1, t[i]);
        lis2[--it - lis2] = t[i];
    }

    cout << ans;
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:20:17: warning: unused variable 'val' [-Wunused-variable]
     int len[n], val[n];
                 ^~~
glo.cpp:22:9: warning: unused variable 'temp' [-Wunused-variable]
     int temp = 0, temp1 = -1;
         ^~~~
glo.cpp:22:19: warning: unused variable 'temp1' [-Wunused-variable]
     int temp = 0, temp1 = -1;
                   ^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 276 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 276 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 276 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 3524 KB Output is correct
2 Correct 78 ms 3548 KB Output is correct
3 Correct 78 ms 3448 KB Output is correct
4 Correct 78 ms 3448 KB Output is correct
5 Correct 56 ms 3448 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 1144 KB Output is correct
2 Correct 19 ms 1148 KB Output is correct
3 Correct 19 ms 1144 KB Output is correct
4 Correct 15 ms 1144 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 16 ms 1144 KB Output is correct
7 Correct 17 ms 1144 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 1912 KB Output is correct
2 Correct 34 ms 1912 KB Output is correct
3 Correct 69 ms 3436 KB Output is correct
4 Correct 56 ms 3448 KB Output is correct
5 Correct 29 ms 1912 KB Output is correct
6 Correct 50 ms 3320 KB Output is correct
7 Correct 56 ms 3320 KB Output is correct
8 Correct 31 ms 2060 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 276 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 82 ms 3524 KB Output is correct
28 Correct 78 ms 3548 KB Output is correct
29 Correct 78 ms 3448 KB Output is correct
30 Correct 78 ms 3448 KB Output is correct
31 Correct 56 ms 3448 KB Output is correct
32 Correct 19 ms 1144 KB Output is correct
33 Correct 19 ms 1148 KB Output is correct
34 Correct 19 ms 1144 KB Output is correct
35 Correct 15 ms 1144 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 16 ms 1144 KB Output is correct
38 Correct 17 ms 1144 KB Output is correct
39 Correct 34 ms 1912 KB Output is correct
40 Correct 34 ms 1912 KB Output is correct
41 Correct 69 ms 3436 KB Output is correct
42 Correct 56 ms 3448 KB Output is correct
43 Correct 29 ms 1912 KB Output is correct
44 Correct 50 ms 3320 KB Output is correct
45 Correct 56 ms 3320 KB Output is correct
46 Correct 31 ms 2060 KB Output is correct
47 Correct 38 ms 2908 KB Output is correct
48 Correct 39 ms 2808 KB Output is correct
49 Correct 78 ms 5368 KB Output is correct
50 Correct 58 ms 4600 KB Output is correct
51 Correct 46 ms 3500 KB Output is correct
52 Correct 60 ms 4700 KB Output is correct
53 Correct 54 ms 4728 KB Output is correct
54 Correct 60 ms 5624 KB Output is correct
55 Correct 66 ms 5460 KB Output is correct