oj.uz

Submission #71604

# Submission time Handle Problem Language Result Execution time Memory
71604 2018-08-25T08:25:45 Z idan_izmirli Ancient Books (IOI17_books) C++14
50 / 100
 209 ms 10176 KB 
#include "books.h"

long long minimum_walk(std::vector<int> p, int s) {
	long long result=-2;
	int current_max=0;
	for(int i=0;i<p.size();i++)
	{
		if(p[i]<i)
		{
			result+=i-p[i];
		}
		else
		{
			result+=p[i]-i;
		}
      	if(p[i]>current_max)
		{
			current_max=p[i];
		}
		if(current_max==i)
		{
			result+=2;
		}
	}
	for(int i=0;i<s;i++)
	{
		if(p[i]!=i)
		{
			break;
		}
		result-=2;
	}
	for(int i=p.size()-1;i>s;i--)
	{
		if(p[i]!=i)
		{
			break;
		}
		result-=2;
	}
	return result;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:6:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<p.size();i++)
              ~^~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 496 KB Output is correct
6 Correct 2 ms 496 KB Output is correct
7 Correct 2 ms 496 KB Output is correct
8 Correct 2 ms 496 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 560 KB Output is correct
13 Correct 5 ms 560 KB Output is correct
14 Correct 3 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 3 ms 560 KB Output is correct
17 Correct 3 ms 560 KB Output is correct
18 Correct 3 ms 560 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 496 KB Output is correct
6 Correct 2 ms 496 KB Output is correct
7 Correct 2 ms 496 KB Output is correct
8 Correct 2 ms 496 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 560 KB Output is correct
13 Correct 5 ms 560 KB Output is correct
14 Correct 3 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 3 ms 560 KB Output is correct
17 Correct 3 ms 560 KB Output is correct
18 Correct 3 ms 560 KB Output is correct
19 Correct 3 ms 560 KB Output is correct
20 Correct 4 ms 572 KB Output is correct
21 Correct 3 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 2 ms 588 KB Output is correct
26 Correct 3 ms 588 KB Output is correct
27 Correct 3 ms 588 KB Output is correct
28 Correct 3 ms 588 KB Output is correct
29 Correct 3 ms 588 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 496 KB Output is correct
6 Correct 2 ms 496 KB Output is correct
7 Correct 2 ms 496 KB Output is correct
8 Correct 2 ms 496 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 560 KB Output is correct
13 Correct 5 ms 560 KB Output is correct
14 Correct 3 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 3 ms 560 KB Output is correct
17 Correct 3 ms 560 KB Output is correct
18 Correct 3 ms 560 KB Output is correct
19 Correct 3 ms 560 KB Output is correct
20 Correct 4 ms 572 KB Output is correct
21 Correct 3 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 2 ms 588 KB Output is correct
26 Correct 3 ms 588 KB Output is correct
27 Correct 3 ms 588 KB Output is correct
28 Correct 3 ms 588 KB Output is correct
29 Correct 3 ms 588 KB Output is correct
30 Correct 203 ms 9608 KB Output is correct
31 Correct 209 ms 9676 KB Output is correct
32 Correct 185 ms 9676 KB Output is correct
33 Correct 155 ms 9676 KB Output is correct
34 Correct 186 ms 9676 KB Output is correct
35 Correct 162 ms 9676 KB Output is correct
36 Correct 182 ms 9676 KB Output is correct
37 Correct 171 ms 10124 KB Output is correct
38 Correct 177 ms 10176 KB Output is correct
39 Correct 150 ms 10176 KB Output is correct
40 Correct 186 ms 10176 KB Output is correct
41 Correct 187 ms 10176 KB Output is correct
42 Correct 181 ms 10176 KB Output is correct
43 Correct 172 ms 10176 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10176 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 2 ms 436 KB Output is correct
4 Correct 2 ms 436 KB Output is correct
5 Correct 2 ms 496 KB Output is correct
6 Correct 2 ms 496 KB Output is correct
7 Correct 2 ms 496 KB Output is correct
8 Correct 2 ms 496 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 3 ms 560 KB Output is correct
13 Correct 5 ms 560 KB Output is correct
14 Correct 3 ms 560 KB Output is correct
15 Correct 3 ms 560 KB Output is correct
16 Correct 3 ms 560 KB Output is correct
17 Correct 3 ms 560 KB Output is correct
18 Correct 3 ms 560 KB Output is correct
19 Correct 3 ms 560 KB Output is correct
20 Correct 4 ms 572 KB Output is correct
21 Correct 3 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 2 ms 588 KB Output is correct
26 Correct 3 ms 588 KB Output is correct
27 Correct 3 ms 588 KB Output is correct
28 Correct 3 ms 588 KB Output is correct
29 Correct 3 ms 588 KB Output is correct
30 Correct 203 ms 9608 KB Output is correct
31 Correct 209 ms 9676 KB Output is correct
32 Correct 185 ms 9676 KB Output is correct
33 Correct 155 ms 9676 KB Output is correct
34 Correct 186 ms 9676 KB Output is correct
35 Correct 162 ms 9676 KB Output is correct
36 Correct 182 ms 9676 KB Output is correct
37 Correct 171 ms 10124 KB Output is correct
38 Correct 177 ms 10176 KB Output is correct
39 Correct 150 ms 10176 KB Output is correct
40 Correct 186 ms 10176 KB Output is correct
41 Correct 187 ms 10176 KB Output is correct
42 Correct 181 ms 10176 KB Output is correct
43 Correct 172 ms 10176 KB Output is correct
44 Incorrect 2 ms 10176 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -