oj.uz

Submission #586305

# Submission time Handle Problem Language Result Execution time Memory
586305 2022-06-30T06:32:25 Z M_W Safety (NOI18_safety) C++17
100 / 100
 62 ms 5500 KB 
#include <bits/stdc++.h>
using namespace std;
priority_queue<long long> lo;
priority_queue<long long, vector<long long>, greater<long long>> hi;
int main(){
	int N; long long H, x, ymin = 0, shift = 0;
	scanf("%d %lld %lld", &N, &H, &x);
	lo.push(x); hi.push(x);
	for(int i = 1; i < N; i++){
		scanf("%lld", &x);
		
		shift += H;
		long long left = lo.top() - shift, right = hi.top() + shift;
		if(x <= left){
			hi.push(left - shift);
			lo.pop();
			
			lo.push(x + shift);
			lo.push(x + shift);
			ymin += left - x;
		}
		else if(x >= right){
			lo.push(right + shift);
			hi.pop();
			
			hi.push(x - shift);
			hi.push(x - shift);
			ymin += x - right;
		}
		else{
			lo.push(x + shift);
			hi.push(x - shift);
		}
	}
	printf("%lld", ymin);
}

Compilation message

safety.cpp: In function 'int main()':
safety.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  scanf("%d %lld %lld", &N, &H, &x);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
safety.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%lld", &x);
      |   ~~~~~^~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# 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 0 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 0 ms 212 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

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 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 296 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 3404 KB Output is correct
2 Correct 49 ms 5176 KB Output is correct
3 Correct 62 ms 5292 KB Output is correct

Subtask #5
6.0 / 6.0

# 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 0 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 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 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 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct

Subtask #6
11.0 / 11.0

# 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 0 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 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 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 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 292 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct

Subtask #7
11.0 / 11.0

# 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 0 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 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 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 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 0 ms 304 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 292 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 1 ms 420 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 1 ms 488 KB Output is correct

Subtask #8
22.0 / 22.0

# 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 0 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 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 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 296 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 300 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 300 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 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 304 KB Output is correct
29 Correct 0 ms 304 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 292 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 1 ms 420 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 2 ms 468 KB Output is correct
40 Correct 1 ms 488 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 1 ms 380 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 436 KB Output is correct
46 Correct 1 ms 468 KB Output is correct

Subtask #9
29.0 / 29.0

# 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 0 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 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 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 33 ms 3404 KB Output is correct
20 Correct 49 ms 5176 KB Output is correct
21 Correct 62 ms 5292 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 300 KB Output is correct
25 Correct 1 ms 212 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 0 ms 212 KB Output is correct
31 Correct 1 ms 304 KB Output is correct
32 Correct 0 ms 304 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 292 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 1 ms 420 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 1 ms 488 KB Output is correct
44 Correct 3 ms 468 KB Output is correct
45 Correct 1 ms 380 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 1 ms 436 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 53 ms 5500 KB Output is correct
51 Correct 50 ms 5020 KB Output is correct
52 Correct 28 ms 5076 KB Output is correct
53 Correct 33 ms 5168 KB Output is correct
54 Correct 53 ms 5192 KB Output is correct
55 Correct 33 ms 5136 KB Output is correct
56 Correct 33 ms 5048 KB Output is correct
57 Correct 30 ms 5024 KB Output is correct
58 Correct 38 ms 4504 KB Output is correct
59 Correct 40 ms 5056 KB Output is correct