oj.uz

Submission #288068

# Submission time Handle Problem Language Result Execution time Memory
288068 2020-09-01T08:28:10 Z user202729 Ancient Books (IOI17_books) C++17
22 / 100
 176 ms 8568 KB 
// moreflags=grader.cpp
// 11
// :(
// Definitely cheating.
#include "books.h"
#include<algorithm>
#include<numeric>


long long minimum_walk(std::vector<int> p, int s) {
	if(p.size()>1000) return -1;

	int needLeft=0; while(needLeft<(int)p.size() and p[needLeft]==needLeft) ++needLeft;
	if(needLeft==(int)p.size()) return 0;
	int needRight=(int)p.size()-1; while(p[needRight]==needRight) --needRight;

	int64_t result{};
	for(int index=0; index<(int)p.size(); ++index){
		if(index<p[index]){
			result+=p[index]-index;
		}
	}

	int left=s, right=s;

	while(left>needLeft or right<needRight){
		for(int i=left; i<=right; ++i){
			if(p[i]<left){ left=p[i]; goto continue_outer; }
			if(p[i]>right){ right=p[i]; goto continue_outer; }
		}
		for(int i=1;; ++i){
			if(left-i>=0 and p[left-i]!=left-i){
				result+=i;
				left-=i;
				break;
			}else if(right+i<(int)p.size() and p[right+i]!=right+i){
				result+=i;
				right+=i;
				break;
			}
		}
continue_outer:;
	}

	return result*2;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Incorrect 176 ms 8568 KB 3rd lines differ - on the 1st token, expected: '333035179244', found: '-1'
31 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 356 KB 3rd lines differ - on the 1st token, expected: '3304', found: '3324'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Incorrect 176 ms 8568 KB 3rd lines differ - on the 1st token, expected: '333035179244', found: '-1'
31 Halted 0 ms 0 KB -