Submission #819221

# Submission time Handle Problem Language Result Execution time Memory
819221 2023-08-10T08:29:31 Z TS_2392 Global Warming (CEOI18_glo) C++14
100 / 100
51 ms 4232 KB
#include <bits/stdc++.h>
#define pb push_back
#define lwb lower_bound
#define all(x) (x).begin(), (x).end()
using namespace std;
const int N = 2e5 + 3;
int n, x, res, dp[N], a[N];
vector<int> lis;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    cin >> n >> x;
    for(int i = 1; i <= n; ++i){
        cin >> a[i];
        int j = lwb(all(lis), a[i]) - lis.begin();
        dp[i] = j + 1;
        if(j == lis.size()) lis.pb(a[i]);
        else lis[j] = a[i];
    }
    lis.clear();
    for(int i = n; i >= 1; --i){
        int j = lwb(all(lis), -a[i]) - lis.begin();
        res = max(res, dp[i] + j);
        j = lwb(all(lis), -a[i] - x) - lis.begin();
        if(j == lis.size()) lis.pb(-a[i]- x);
        else lis[j] = -a[i] - x;
    }
    cout << res;
    return 0;
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         if(j == lis.size()) lis.pb(a[i]);
      |            ~~^~~~~~~~~~~~~
glo.cpp:25:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         if(j == lis.size()) lis.pb(-a[i]- x);
      |            ~~^~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 0 ms 328 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 0 ms 328 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 340 KB Output is correct
23 Correct 1 ms 332 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
# Verdict Execution time Memory Grader output
1 Correct 50 ms 1876 KB Output is correct
2 Correct 43 ms 1880 KB Output is correct
3 Correct 51 ms 1876 KB Output is correct
4 Correct 43 ms 1876 KB Output is correct
5 Correct 22 ms 2388 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 724 KB Output is correct
2 Correct 13 ms 724 KB Output is correct
3 Correct 14 ms 672 KB Output is correct
4 Correct 9 ms 860 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 1236 KB Output is correct
7 Correct 11 ms 1108 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 25 ms 1124 KB Output is correct
2 Correct 21 ms 1124 KB Output is correct
3 Correct 37 ms 1760 KB Output is correct
4 Correct 21 ms 2396 KB Output is correct
5 Correct 16 ms 1368 KB Output is correct
6 Correct 23 ms 2260 KB Output is correct
7 Correct 33 ms 2232 KB Output is correct
8 Correct 22 ms 1092 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 324 KB Output is correct
15 Correct 0 ms 328 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 340 KB Output is correct
23 Correct 1 ms 332 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 50 ms 1876 KB Output is correct
28 Correct 43 ms 1880 KB Output is correct
29 Correct 51 ms 1876 KB Output is correct
30 Correct 43 ms 1876 KB Output is correct
31 Correct 22 ms 2388 KB Output is correct
32 Correct 13 ms 724 KB Output is correct
33 Correct 13 ms 724 KB Output is correct
34 Correct 14 ms 672 KB Output is correct
35 Correct 9 ms 860 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 8 ms 1236 KB Output is correct
38 Correct 11 ms 1108 KB Output is correct
39 Correct 25 ms 1124 KB Output is correct
40 Correct 21 ms 1124 KB Output is correct
41 Correct 37 ms 1760 KB Output is correct
42 Correct 21 ms 2396 KB Output is correct
43 Correct 16 ms 1368 KB Output is correct
44 Correct 23 ms 2260 KB Output is correct
45 Correct 33 ms 2232 KB Output is correct
46 Correct 22 ms 1092 KB Output is correct
47 Correct 21 ms 2004 KB Output is correct
48 Correct 21 ms 2052 KB Output is correct
49 Correct 45 ms 3800 KB Output is correct
50 Correct 22 ms 3448 KB Output is correct
51 Correct 20 ms 2832 KB Output is correct
52 Correct 26 ms 3608 KB Output is correct
53 Correct 20 ms 3592 KB Output is correct
54 Correct 35 ms 4232 KB Output is correct
55 Correct 46 ms 3812 KB Output is correct