답안 #833721

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
833721 2023-08-22T08:14:45 Z Josia 고대 책들 (IOI17_books) C++17
50 / 100
168 ms 39344 KB
#include "books.h"
#include <bits/stdc++.h>

using namespace std;

#define int int64_t


vector<int> p;
int s;
int n;
int res;

vector<int> cycles;
pair<int, int> getCycle(int v, int ind) {
	if (cycles[v] != -1) return {-1, -1};

	pair<int, int> range = {1e9, -1e9};

	while (cycles[v] == -1) {
		cycles[v] = ind;
		range.first = min(range.first, v);
		range.second = max(range.second, v);
		res += abs(p[v]-v);
		v = p[v];
	}

	return range;
}


long long minimum_walk(vector<signed> _p, signed _s) {
	s = _s;
	n = _p.size();
	p.resize(n); for (int i = 0; i<n; i++) p[i] = _p[i];

	cycles.assign(n, -1);
	res = 0;

	vector<pair<int, int>> ranges;
	for (int i = 0; i<n; i++) {
		ranges.push_back(getCycle(i, i));
		if (ranges.back().first == ranges.back().second) ranges.pop_back();
	}

	ranges.push_back({s, s});

	sort(ranges.begin(), ranges.end());


	set<int> active = {ranges[0].second};

	for (int i = 1; i<(int)ranges.size(); i++) {
		res += 2*max((int)0, ranges[i].first-*active.rbegin());
		active.insert(ranges[i].second);
	}


	return res;
}
# 결과 실행 시간 메모리 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 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 244 KB Output is correct
7 Correct 0 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 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 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 0 ms 212 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 244 KB Output is correct
7 Correct 0 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 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 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 0 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 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 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
# 결과 실행 시간 메모리 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 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 244 KB Output is correct
7 Correct 0 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 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 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 0 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 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 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 150 ms 23784 KB Output is correct
31 Correct 126 ms 23756 KB Output is correct
32 Correct 106 ms 23680 KB Output is correct
33 Correct 132 ms 35828 KB Output is correct
34 Correct 129 ms 35848 KB Output is correct
35 Correct 168 ms 37300 KB Output is correct
36 Correct 128 ms 33500 KB Output is correct
37 Correct 99 ms 25444 KB Output is correct
38 Correct 96 ms 24044 KB Output is correct
39 Correct 94 ms 24012 KB Output is correct
40 Correct 106 ms 23764 KB Output is correct
41 Correct 114 ms 23776 KB Output is correct
42 Correct 117 ms 23796 KB Output is correct
43 Correct 153 ms 39344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 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 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 244 KB Output is correct
7 Correct 0 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 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 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 0 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 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 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 150 ms 23784 KB Output is correct
31 Correct 126 ms 23756 KB Output is correct
32 Correct 106 ms 23680 KB Output is correct
33 Correct 132 ms 35828 KB Output is correct
34 Correct 129 ms 35848 KB Output is correct
35 Correct 168 ms 37300 KB Output is correct
36 Correct 128 ms 33500 KB Output is correct
37 Correct 99 ms 25444 KB Output is correct
38 Correct 96 ms 24044 KB Output is correct
39 Correct 94 ms 24012 KB Output is correct
40 Correct 106 ms 23764 KB Output is correct
41 Correct 114 ms 23776 KB Output is correct
42 Correct 117 ms 23796 KB Output is correct
43 Correct 153 ms 39344 KB Output is correct
44 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -