oj.uz

Submission #470093

# Submission time Handle Problem Language Result Execution time Memory
470093 2021-09-02T23:44:39 Z bigg Safety (NOI18_safety) C++14
100 / 100
 285 ms 19060 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
multiset<ll> sl, sr;
ll suml, sumr;

int n;
ll h;

int main(){
	scanf("%d %lld", &n, &h);
	ll ans = 0;
	for(int i = 1; i <= n; i++){
		ll k;
		scanf("%lld", &k);
		if(i == 1){
			sl.insert(k);
			sr.insert(k);
			continue;
		}
		suml-=h;
		sumr+=h;
		auto it = sl.end();
		it--;
		ll esq = *it;
		ll dir = *sr.begin();

		esq += suml;
		dir += sumr;

		if(k < esq){
			ans += abs(esq -k);
			sl.insert(k - suml);
			sl.insert(k - suml);
		}else if(k > dir){
			ans += abs(dir -k);
			sr.insert(k - sumr);
			sr.insert(k - sumr);
		}else{
			sl.insert(k - suml);
			sr.insert(k - sumr);
		}

		it = sl.end();
		it--;
		esq = *it;
		dir = *sr.begin();

		esq += suml;
		dir += sumr;

		if(sl.size() == sr.size()) continue;

		if(sl.size() > sr.size()){
			sr.insert(esq - sumr);
			sl.erase(it);
		}else{
			sl.insert(dir - suml);
			sr.erase(sr.begin());	
		}
		
	
	}
	printf("%lld\n", ans);
}

Compilation message

safety.cpp: In function 'int main()':
safety.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  scanf("%d %lld", &n, &h);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
safety.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |   scanf("%lld", &k);
      |   ~~~~~^~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 12584 KB Output is correct
2 Correct 278 ms 17860 KB Output is correct
3 Correct 251 ms 18652 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 3 ms 716 KB Output is correct
29 Correct 3 ms 588 KB Output is correct
30 Correct 3 ms 716 KB Output is correct
31 Correct 3 ms 588 KB Output is correct
32 Correct 2 ms 588 KB Output is correct
33 Correct 3 ms 716 KB Output is correct
34 Correct 3 ms 716 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 3 ms 716 KB Output is correct
35 Correct 3 ms 588 KB Output is correct
36 Correct 3 ms 716 KB Output is correct
37 Correct 3 ms 588 KB Output is correct
38 Correct 2 ms 588 KB Output is correct
39 Correct 3 ms 716 KB Output is correct
40 Correct 3 ms 716 KB Output is correct
41 Correct 4 ms 716 KB Output is correct
42 Correct 3 ms 588 KB Output is correct
43 Correct 3 ms 716 KB Output is correct
44 Correct 5 ms 716 KB Output is correct
45 Correct 4 ms 588 KB Output is correct
46 Correct 4 ms 588 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 187 ms 12584 KB Output is correct
20 Correct 278 ms 17860 KB Output is correct
21 Correct 251 ms 18652 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 3 ms 716 KB Output is correct
38 Correct 3 ms 588 KB Output is correct
39 Correct 3 ms 716 KB Output is correct
40 Correct 3 ms 588 KB Output is correct
41 Correct 2 ms 588 KB Output is correct
42 Correct 3 ms 716 KB Output is correct
43 Correct 3 ms 716 KB Output is correct
44 Correct 4 ms 716 KB Output is correct
45 Correct 3 ms 588 KB Output is correct
46 Correct 3 ms 716 KB Output is correct
47 Correct 5 ms 716 KB Output is correct
48 Correct 4 ms 588 KB Output is correct
49 Correct 4 ms 588 KB Output is correct
50 Correct 285 ms 19060 KB Output is correct
51 Correct 240 ms 15800 KB Output is correct
52 Correct 109 ms 15144 KB Output is correct
53 Correct 127 ms 17664 KB Output is correct
54 Correct 136 ms 18252 KB Output is correct
55 Correct 109 ms 15372 KB Output is correct
56 Correct 135 ms 16948 KB Output is correct
57 Correct 121 ms 15616 KB Output is correct
58 Correct 108 ms 13480 KB Output is correct
59 Correct 129 ms 17188 KB Output is correct