답안 #832288

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
832288 2023-08-21T08:27:55 Z MadokaMagicaFan 고대 책들 (IOI17_books) C++14
50 / 100
105 ms 24624 KB
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
#define sz(v) ((int)v.size())
#define pb push_back

const int N = 1e6;
bitset<N> v;

ll minimum_walk(vector<int> p, int s) {
	/* assumes s = 0 */
	ll ans = 0;
	int n = sz(p);
	v = 0;
	for (int i = 0; i < n; ++i)
		ans += (ll)abs(i - p[i]);

	vector<array<ll,2>> rn, newr;
	for (int i = 0; i < n; ++i) {
		int l, r, x;
		l = r = i;
		if (v[i]) continue;
		x = i;
		while (!v[x]) {
			v[x] = 1;
			l = min(l, x);
			r = max(r, x);
			x = p[x];
		}
		if (l != r)
			rn.pb({l,r});
	}

	if (sz(rn) == 0) return 0;

	sort(rn.begin(), rn.end());
	newr.pb(rn.front());
	for (int i = 1; i < sz(rn); ++i) {
		if (rn[i][0] > newr.back()[1]) {
			ans += 2ll*(rn[i][0] - newr.back()[1]);
			newr.pb(rn[i]);
		} else {
			newr.back()[1] = max(newr.back()[1], rn[i][1]);
		}
	}


	return ans + 2ll * newr.front()[0];
}


#ifdef ONPC
int main() {
	int n, s;
	cin >> n >> s;
	vector<int> p(n);
	for(int i = 0; i < n; ++i)
		cin >> p[i];

	cout << minimum_walk(p, s) << endl;
}
#endif
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 480 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 480 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 0 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 480 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 0 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 96 ms 15076 KB Output is correct
31 Correct 96 ms 15088 KB Output is correct
32 Correct 85 ms 15072 KB Output is correct
33 Correct 100 ms 24268 KB Output is correct
34 Correct 98 ms 24184 KB Output is correct
35 Correct 105 ms 24624 KB Output is correct
36 Correct 97 ms 20952 KB Output is correct
37 Correct 87 ms 15672 KB Output is correct
38 Correct 94 ms 15296 KB Output is correct
39 Correct 86 ms 15204 KB Output is correct
40 Correct 86 ms 15088 KB Output is correct
41 Correct 99 ms 15088 KB Output is correct
42 Correct 92 ms 15076 KB Output is correct
43 Correct 101 ms 19324 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 536 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 1 ms 480 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 0 ms 468 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 468 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 0 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 0 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 96 ms 15076 KB Output is correct
31 Correct 96 ms 15088 KB Output is correct
32 Correct 85 ms 15072 KB Output is correct
33 Correct 100 ms 24268 KB Output is correct
34 Correct 98 ms 24184 KB Output is correct
35 Correct 105 ms 24624 KB Output is correct
36 Correct 97 ms 20952 KB Output is correct
37 Correct 87 ms 15672 KB Output is correct
38 Correct 94 ms 15296 KB Output is correct
39 Correct 86 ms 15204 KB Output is correct
40 Correct 86 ms 15088 KB Output is correct
41 Correct 99 ms 15088 KB Output is correct
42 Correct 92 ms 15076 KB Output is correct
43 Correct 101 ms 19324 KB Output is correct
44 Incorrect 0 ms 536 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -