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Submission #973891

# Submission time Handle Problem Language Result Execution time Memory
973891 2024-05-02T12:21:36 Z vjudge1 Global Warming (CEOI18_glo) C++17
100 / 100
 50 ms 3864 KB 
#include<bits/stdc++.h>

using namespace std;

int n, d;

int main() {
    scanf("%d %d", &n, &d);
    vector<int> t(n), pref(n), c;
    for (auto &e: t) scanf("%d", &e);
    for (int i = 0; i < n; i++) {
        auto lower = lower_bound(c.begin(), c.end(), t[i]);
        if (lower == c.end()) c.emplace_back(t[i]), pref[i] = c.size();
        else *lower = t[i], pref[i] = lower - c.begin() + 1;
    }
    int ans = c.size(); c.clear();
    for (int i = n - 1; i >= 0; i--) {
        auto lower = lower_bound(c.begin(), c.end(), -t[i] + d);
        ans = max(ans, pref[i] + (int) (lower - c.begin()));
        auto clower = lower_bound(c.begin(), c.end(), -t[i]);
        if (clower == c.end()) c.emplace_back(-t[i]);
        else *clower = -t[i];
    }
    printf("%d", ans);
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%d %d", &n, &d);
      |     ~~~~~^~~~~~~~~~~~~~~~~
glo.cpp:10:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     for (auto &e: t) scanf("%d", &e);
      |                      ~~~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 3280 KB Output is correct
2 Correct 50 ms 3280 KB Output is correct
3 Correct 49 ms 3148 KB Output is correct
4 Correct 45 ms 3164 KB Output is correct
5 Correct 24 ms 3288 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1116 KB Output is correct
2 Correct 11 ms 1116 KB Output is correct
3 Correct 12 ms 1204 KB Output is correct
4 Correct 6 ms 1116 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 7 ms 1112 KB Output is correct
7 Correct 9 ms 1368 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 1880 KB Output is correct
2 Correct 19 ms 1880 KB Output is correct
3 Correct 39 ms 3276 KB Output is correct
4 Correct 25 ms 3288 KB Output is correct
5 Correct 13 ms 2008 KB Output is correct
6 Correct 25 ms 3540 KB Output is correct
7 Correct 25 ms 3792 KB Output is correct
8 Correct 21 ms 1880 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 49 ms 3280 KB Output is correct
28 Correct 50 ms 3280 KB Output is correct
29 Correct 49 ms 3148 KB Output is correct
30 Correct 45 ms 3164 KB Output is correct
31 Correct 24 ms 3288 KB Output is correct
32 Correct 11 ms 1116 KB Output is correct
33 Correct 11 ms 1116 KB Output is correct
34 Correct 12 ms 1204 KB Output is correct
35 Correct 6 ms 1116 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 7 ms 1112 KB Output is correct
38 Correct 9 ms 1368 KB Output is correct
39 Correct 21 ms 1880 KB Output is correct
40 Correct 19 ms 1880 KB Output is correct
41 Correct 39 ms 3276 KB Output is correct
42 Correct 25 ms 3288 KB Output is correct
43 Correct 13 ms 2008 KB Output is correct
44 Correct 25 ms 3540 KB Output is correct
45 Correct 25 ms 3792 KB Output is correct
46 Correct 21 ms 1880 KB Output is correct
47 Correct 22 ms 1884 KB Output is correct
48 Correct 23 ms 1884 KB Output is correct
49 Correct 45 ms 3272 KB Output is correct
50 Correct 27 ms 3288 KB Output is correct
51 Correct 22 ms 2764 KB Output is correct
52 Correct 25 ms 3280 KB Output is correct
53 Correct 21 ms 3400 KB Output is correct
54 Correct 25 ms 3864 KB Output is correct
55 Correct 42 ms 3092 KB Output is correct