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Submission #788218

# Submission time Handle Problem Language Result Execution time Memory
788218 2023-07-20T02:23:20 Z Charizard2021 Safety (NOI18_safety) C++17
100 / 100
 79 ms 5408 KB 
#include<bits/stdc++.h>
using namespace std;
int main(){
    long long n, h;
    cin >> n >> h;
    long long val1 = 0;
    long long val2 = 0;
    long long ans = 0;
    long long cur = -1e18;
    priority_queue<long long> L, R;
    for (int i = 1; i <= n; ++i) {
        long long x;
        cin >> x;
        if (x >= cur) {
            R.push(-x + val1);
            R.push(-x + val1);
            L.push(-R.top() + val1 - val2);
            R.pop();
            ans += x - L.top() - val2;
        }
        else {
            L.push(x - val2);
            L.push(x - val2);
            R.push(-L.top() - val2 + val1);
            L.pop();
            ans += -R.top() + val1 - x;
        }
        val2 -= h;
        val1 += h;
        cur = L.top() + val2;
    }
    cout << ans << '\n';
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #2
4.0 / 4.0

# 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

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 304 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 4744 KB Output is correct
2 Correct 75 ms 5176 KB Output is correct
3 Correct 76 ms 5324 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 300 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 300 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 300 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 300 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 1 ms 304 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 300 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 300 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 1 ms 304 KB Output is correct
28 Correct 2 ms 440 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 436 KB Output is correct
31 Correct 2 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 2 ms 436 KB Output is correct
34 Correct 2 ms 400 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 300 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 300 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 304 KB Output is correct
33 Correct 1 ms 304 KB Output is correct
34 Correct 2 ms 440 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 2 ms 436 KB Output is correct
37 Correct 2 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 2 ms 436 KB Output is correct
40 Correct 2 ms 400 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 340 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 440 KB Output is correct
45 Correct 2 ms 504 KB Output is correct
46 Correct 2 ms 468 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 300 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 52 ms 4744 KB Output is correct
20 Correct 75 ms 5176 KB Output is correct
21 Correct 76 ms 5324 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 304 KB Output is correct
37 Correct 2 ms 440 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Correct 2 ms 436 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 436 KB Output is correct
43 Correct 2 ms 400 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 2 ms 468 KB Output is correct
47 Correct 2 ms 440 KB Output is correct
48 Correct 2 ms 504 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 79 ms 5408 KB Output is correct
51 Correct 65 ms 4948 KB Output is correct
52 Correct 63 ms 5188 KB Output is correct
53 Correct 73 ms 5132 KB Output is correct
54 Correct 76 ms 5100 KB Output is correct
55 Correct 64 ms 5060 KB Output is correct
56 Correct 77 ms 5056 KB Output is correct
57 Correct 64 ms 5112 KB Output is correct
58 Correct 50 ms 4516 KB Output is correct
59 Correct 72 ms 5036 KB Output is correct