oj.uz

Submission #200385

# Submission time Handle Problem Language Result Execution time Memory
200385 2020-02-06T14:06:51 Z wilwxk Safety (NOI18_safety) C++14
100 / 100
 89 ms 5524 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int n, x;
priority_queue<ll> l;
priority_queue<ll, vector<ll>, greater<ll> > r;
ll llz, rlz;
ll ans;

int main() {
	scanf("%d %d", &n, &x);
	for(int i = 1; i <= n; i++) {
		ll val; scanf("%lld", &val);

		if(i == 1) {
			l.push(val);
			r.push(val);
			continue;
		}

		llz -= x;
		rlz += x;

		if(val <= l.top()+llz) {
			l.push(val-llz);
			l.push(val-llz);
			r.push(l.top()+llz-rlz);
			l.pop();
			ans += abs(r.top()+rlz-val);
		}
		else {
			r.push(val-rlz);
			r.push(val-rlz);
			l.push(r.top()+rlz-llz);
			r.pop();
			ans += abs(l.top()+llz-val);
		}
		// printf("%d >> %d %d >> %d %d >> %lld\n", i, l.top(), r.top(), llz, rlz, ans);
	}

	printf("%lld\n", ans);
}

Compilation message

safety.cpp: In function 'int main()':
safety.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &x);
  ~~~~~^~~~~~~~~~~~~~~~~
safety.cpp:14:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   ll val; scanf("%lld", &val);
           ~~~~~^~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

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

Subtask #2
4.0 / 4.0

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

Subtask #3
9.0 / 9.0

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

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 3592 KB Output is correct
2 Correct 75 ms 5156 KB Output is correct
3 Correct 84 ms 5368 KB Output is correct

Subtask #5
6.0 / 6.0

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

Subtask #6
11.0 / 11.0

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

Subtask #7
11.0 / 11.0

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

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 6 ms 256 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 7 ms 504 KB Output is correct
35 Correct 6 ms 504 KB Output is correct
36 Correct 6 ms 504 KB Output is correct
37 Correct 7 ms 376 KB Output is correct
38 Correct 6 ms 504 KB Output is correct
39 Correct 6 ms 504 KB Output is correct
40 Correct 8 ms 504 KB Output is correct
41 Correct 9 ms 632 KB Output is correct
42 Correct 6 ms 376 KB Output is correct
43 Correct 7 ms 504 KB Output is correct
44 Correct 7 ms 504 KB Output is correct
45 Correct 7 ms 508 KB Output is correct
46 Correct 6 ms 504 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 54 ms 3592 KB Output is correct
20 Correct 75 ms 5156 KB Output is correct
21 Correct 84 ms 5368 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 256 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 6 ms 256 KB Output is correct
31 Correct 6 ms 376 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 256 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 7 ms 504 KB Output is correct
38 Correct 6 ms 504 KB Output is correct
39 Correct 6 ms 504 KB Output is correct
40 Correct 7 ms 376 KB Output is correct
41 Correct 6 ms 504 KB Output is correct
42 Correct 6 ms 504 KB Output is correct
43 Correct 8 ms 504 KB Output is correct
44 Correct 9 ms 632 KB Output is correct
45 Correct 6 ms 376 KB Output is correct
46 Correct 7 ms 504 KB Output is correct
47 Correct 7 ms 504 KB Output is correct
48 Correct 7 ms 508 KB Output is correct
49 Correct 6 ms 504 KB Output is correct
50 Correct 83 ms 5524 KB Output is correct
51 Correct 89 ms 5028 KB Output is correct
52 Correct 70 ms 5088 KB Output is correct
53 Correct 83 ms 5232 KB Output is correct
54 Correct 81 ms 5176 KB Output is correct
55 Correct 70 ms 5176 KB Output is correct
56 Correct 79 ms 5192 KB Output is correct
57 Correct 74 ms 5196 KB Output is correct
58 Correct 53 ms 4484 KB Output is correct
59 Correct 77 ms 5088 KB Output is correct