oj.uz

Submission #164935

# Submission time Handle Problem Language Result Execution time Memory
164935 2019-11-24T06:35:46 Z gs18103 Safety (NOI18_safety) C++14
100 / 100
 416 ms 21032 KB 
#include <bits/stdc++.h>
 
#define long long long
 
using namespace std;
 
const int N = 2e5+5;
 
int n;
long k, now, high;
multiset<long> L, R;
 
int main() {
    scanf("%d %lld", &n, &k);
    for(int i = 0; i < n; i++) {
        scanf("%lld", &now);
        high += now;
        L.emplace(now + i * k), R.emplace(now - i * k);
        while(*L.rbegin() - i * k > *R.begin() + i * k) {
            long l = *L.rbegin(), r = *R.begin();
            L.erase(L.find(l)), R.erase(R.find(r));
            L.emplace(r + 2 * i * k), R.emplace(l - 2 * i * k);
        }
        long pv = 0;
        while(!L.empty() && *L.begin() - (i + 1) * k <= 0) {
            high -= L.size() * abs(*L.begin() - i * k - pv);
            pv = *L.begin() - i * k;
            L.erase(L.begin());
        }
        high -= L.size() * abs(pv - k);
    }
    long pv = 0, m = L.size(), ans = high;
    for(long x : L) {
        ans -= abs(x - n * k - pv) * m--;
        pv = x - n * k;
    }
    printf("%lld\n", ans);
 
    return 0;
}

Compilation message

safety.cpp: In function 'int main()':
safety.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %lld", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~
safety.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &now);
         ~~~~~^~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 265 ms 13992 KB Output is correct
2 Correct 365 ms 19964 KB Output is correct
3 Correct 409 ms 20716 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 6 ms 668 KB Output is correct
29 Correct 6 ms 760 KB Output is correct
30 Correct 5 ms 632 KB Output is correct
31 Correct 4 ms 504 KB Output is correct
32 Correct 4 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 4 ms 504 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 6 ms 668 KB Output is correct
35 Correct 6 ms 760 KB Output is correct
36 Correct 5 ms 632 KB Output is correct
37 Correct 4 ms 504 KB Output is correct
38 Correct 4 ms 504 KB Output is correct
39 Correct 6 ms 504 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 7 ms 760 KB Output is correct
42 Correct 6 ms 760 KB Output is correct
43 Correct 4 ms 632 KB Output is correct
44 Correct 5 ms 632 KB Output is correct
45 Correct 4 ms 632 KB Output is correct
46 Correct 4 ms 504 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 265 ms 13992 KB Output is correct
20 Correct 365 ms 19964 KB Output is correct
21 Correct 409 ms 20716 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 6 ms 668 KB Output is correct
38 Correct 6 ms 760 KB Output is correct
39 Correct 5 ms 632 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 4 ms 504 KB Output is correct
42 Correct 6 ms 504 KB Output is correct
43 Correct 4 ms 504 KB Output is correct
44 Correct 7 ms 760 KB Output is correct
45 Correct 6 ms 760 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 5 ms 632 KB Output is correct
48 Correct 4 ms 632 KB Output is correct
49 Correct 4 ms 504 KB Output is correct
50 Correct 416 ms 21032 KB Output is correct
51 Correct 335 ms 17608 KB Output is correct
52 Correct 96 ms 9472 KB Output is correct
53 Correct 115 ms 10908 KB Output is correct
54 Correct 124 ms 11132 KB Output is correct
55 Correct 91 ms 9592 KB Output is correct
56 Correct 101 ms 10492 KB Output is correct
57 Correct 97 ms 9592 KB Output is correct
58 Correct 109 ms 7928 KB Output is correct
59 Correct 112 ms 10616 KB Output is correct