oj.uz

Submission #934018

# Submission time Handle Problem Language Result Execution time Memory
934018 2024-02-26T17:03:24 Z Amirreza_Fakhri Global Warming (CEOI18_glo) C++17
100 / 100
 42 ms 4304 KB 
// In the name of the God
#include <bits/stdc++.h>
#define ll long long
// #define int long long
#define pb push_back
#define F first
#define S second
#define mp make_pair
#define pii pair <int, int>
#define smin(x, y) (x) = min((x), (y))
#define smax(x, y) (x) = max((x), (y))
#define all(x) (x).begin(), (x).end()
using namespace std;

const int inf = 1e9+7;
const int mod = 998244353;
const int maxn = 2e5+5;

int n, x, a[maxn], b[maxn];
vector <int> vec;

int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> x;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        int j = lower_bound(all(vec), a[i]+x)-vec.begin();
        b[i] = j+1;
        j = lower_bound(all(vec), a[i])-vec.begin();
        if (j == vec.size()) vec.pb(a[i]);
        else vec[j] = a[i];
    }
    vec.clear();
    int ans = 0;
    for (int i = n-1; i >= 0; i--) {
        int j = lower_bound(all(vec), -a[i])-vec.begin();
        if (j == vec.size()) vec.pb(-a[i]);
        else vec[j] = -a[i];
        smax(ans, b[i]+j);
    }
    cout << ans << '\n';
    return 0;
}

Compilation message

glo.cpp: In function 'int32_t main()':
glo.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         if (j == vec.size()) vec.pb(a[i]);
      |             ~~^~~~~~~~~~~~~
glo.cpp:37:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |         if (j == vec.size()) vec.pb(-a[i]);
      |             ~~^~~~~~~~~~~~~

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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 600 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 600 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 600 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 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 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 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 1 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 2032 KB Output is correct
2 Correct 40 ms 1884 KB Output is correct
3 Correct 42 ms 1884 KB Output is correct
4 Correct 40 ms 1884 KB Output is correct
5 Correct 22 ms 2520 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 860 KB Output is correct
2 Correct 9 ms 1268 KB Output is correct
3 Correct 9 ms 1116 KB Output is correct
4 Correct 5 ms 1376 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1356 KB Output is correct
7 Correct 8 ms 1116 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 1116 KB Output is correct
2 Correct 19 ms 1116 KB Output is correct
3 Correct 35 ms 2024 KB Output is correct
4 Correct 21 ms 2520 KB Output is correct
5 Correct 11 ms 1504 KB Output is correct
6 Correct 19 ms 2260 KB Output is correct
7 Correct 21 ms 2268 KB Output is correct
8 Correct 17 ms 1116 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 600 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 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 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 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 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 1 ms 348 KB Output is correct
27 Correct 40 ms 2032 KB Output is correct
28 Correct 40 ms 1884 KB Output is correct
29 Correct 42 ms 1884 KB Output is correct
30 Correct 40 ms 1884 KB Output is correct
31 Correct 22 ms 2520 KB Output is correct
32 Correct 9 ms 860 KB Output is correct
33 Correct 9 ms 1268 KB Output is correct
34 Correct 9 ms 1116 KB Output is correct
35 Correct 5 ms 1376 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 5 ms 1356 KB Output is correct
38 Correct 8 ms 1116 KB Output is correct
39 Correct 17 ms 1116 KB Output is correct
40 Correct 19 ms 1116 KB Output is correct
41 Correct 35 ms 2024 KB Output is correct
42 Correct 21 ms 2520 KB Output is correct
43 Correct 11 ms 1504 KB Output is correct
44 Correct 19 ms 2260 KB Output is correct
45 Correct 21 ms 2268 KB Output is correct
46 Correct 17 ms 1116 KB Output is correct
47 Correct 19 ms 1880 KB Output is correct
48 Correct 19 ms 1884 KB Output is correct
49 Correct 41 ms 2276 KB Output is correct
50 Correct 21 ms 3548 KB Output is correct
51 Correct 18 ms 3036 KB Output is correct
52 Correct 23 ms 3804 KB Output is correct
53 Correct 20 ms 3744 KB Output is correct
54 Correct 25 ms 4304 KB Output is correct
55 Correct 32 ms 3664 KB Output is correct