Submission #1083341

# Submission time Handle Problem Language Result Execution time Memory
1083341 2024-09-03T02:23:00 Z sh1ro Global Warming (CEOI18_glo) C++14
100 / 100
49 ms 7004 KB
#include <bits/stdc++.h>
#define int long long
#define endl '\n'
#define fi first
#define se second
using namespace std;
const int N = 2e5 + 4;
const int oo = 1e18;
const int mod = (1 << 9);
int t, n, q, m, k, ans = 0, a[N], dp[N], f[N]{};
vector<int>v;

void solve(){
    cin >> n >> k;
    for (int i = 0; i < n; i++)cin >> a[i], dp[i] = oo;
    for (int i = 0; i < n; i++){
        m = lower_bound(dp, dp + n, a[i]) - dp;
        f[i] = m + 1;
        dp[m] = a[i];
        ans = max(ans, f[i]);
    }
    for (int i = 0; i < n; i++)dp[i] = oo;
    for (int i = n - 1; i >= 0; i--){
        m = lower_bound(dp, dp + n, k - a[i]) - dp;
        ans = max(ans, f[i] + m);
        m = lower_bound(dp, dp + n, -a[i]) - dp;
        dp[m] = -a[i];
    }
    cout << ans;
}
main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen("prime.inp", "r", stdin); freopen("prime.out", "w", stdout);
    t = 1;
    //cin >> t;
    while (t--)solve();
    return 0;
}

Compilation message

glo.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   31 | main() {
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 404 KB Output is correct
6 Correct 1 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 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 404 KB Output is correct
6 Correct 1 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 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 404 KB Output is correct
6 Correct 1 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 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 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 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 49 ms 6284 KB Output is correct
2 Correct 49 ms 6228 KB Output is correct
3 Correct 46 ms 6412 KB Output is correct
4 Correct 48 ms 6228 KB Output is correct
5 Correct 33 ms 5712 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 1880 KB Output is correct
2 Correct 10 ms 2132 KB Output is correct
3 Correct 10 ms 2136 KB Output is correct
4 Correct 8 ms 1884 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 8 ms 1940 KB Output is correct
7 Correct 10 ms 1896 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 21 ms 3684 KB Output is correct
2 Correct 20 ms 3572 KB Output is correct
3 Correct 43 ms 7004 KB Output is correct
4 Correct 31 ms 6236 KB Output is correct
5 Correct 18 ms 3164 KB Output is correct
6 Correct 28 ms 5980 KB Output is correct
7 Correct 32 ms 6740 KB Output is correct
8 Correct 19 ms 3672 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 0 ms 404 KB Output is correct
6 Correct 1 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 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 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 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 49 ms 6284 KB Output is correct
28 Correct 49 ms 6228 KB Output is correct
29 Correct 46 ms 6412 KB Output is correct
30 Correct 48 ms 6228 KB Output is correct
31 Correct 33 ms 5712 KB Output is correct
32 Correct 12 ms 1880 KB Output is correct
33 Correct 10 ms 2132 KB Output is correct
34 Correct 10 ms 2136 KB Output is correct
35 Correct 8 ms 1884 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 8 ms 1940 KB Output is correct
38 Correct 10 ms 1896 KB Output is correct
39 Correct 21 ms 3684 KB Output is correct
40 Correct 20 ms 3572 KB Output is correct
41 Correct 43 ms 7004 KB Output is correct
42 Correct 31 ms 6236 KB Output is correct
43 Correct 18 ms 3164 KB Output is correct
44 Correct 28 ms 5980 KB Output is correct
45 Correct 32 ms 6740 KB Output is correct
46 Correct 19 ms 3672 KB Output is correct
47 Correct 23 ms 3676 KB Output is correct
48 Correct 21 ms 3676 KB Output is correct
49 Correct 45 ms 7004 KB Output is correct
50 Correct 32 ms 6232 KB Output is correct
51 Correct 32 ms 4700 KB Output is correct
52 Correct 35 ms 6224 KB Output is correct
53 Correct 35 ms 6156 KB Output is correct
54 Correct 36 ms 6996 KB Output is correct
55 Correct 40 ms 7000 KB Output is correct