답안 #342741

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
342741	2021-01-02T17:27:20 Z	cki86201	고대 책들 (IOI17_books)	C++11	50 / 100	272 ms	34540 KB

books

#include <bits/stdc++.h>
#include "books.h"
using namespace std;

#define Fi first
#define Se second
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define szz(x) (int)(x).size()
#define rep(i, n) for(int i=0;i<(n);i++)
typedef tuple<int, int, int> t3;

int c[1000010], rrv[1000010], rv[1000010], T[1000010], S[1000010];
ll minimum_walk(vector<int> p, int s) {
	int n = szz(p);
	ll ans = 0;
	rep(i, n) {
		int l = i, r = p[i];
		if(l > r) swap(l, r);
		T[l]++, T[r]--;
		ans += r - l;
	}
	for(int i=1;i<n;i++) T[i] += T[i-1];
	rep(i, n) S[i] = (i ? S[i-1] : 0) + (T[i] == 0);
	auto gs = [&](int s, int e) {
		return (e ? S[e-1] : 0) - (s ? S[s-1] : 0);
	};
	rep(i, n) if(!c[i]) {
		int l = i, r = i;
		for(int j=p[i];j!=i;j=p[j]) l = min(l, j), r = max(r, j);
		c[i] = 1, rv[i] = r;
		for(int j=p[i];j!=i;j=p[j]) c[j] = 1, rv[j] = r;
	}
	rrv[0] = rv[0];
	for(int i=1;i<n;i++) rrv[i] = max(rv[i], rrv[i-1]);
	int l = s, r = s;
	vector <int> q; q.pb(s);
	auto push = [&](int x) {
		if(l > x) {
			for(int a=l-1;a>=x;a--) q.pb(a);
			l = x;
		}
		if(r < x) {
			for(int a=r+1;a<=x;a++) q.pb(a);
			r = x;
		}
	};
	while(1) {
		rep(i, szz(q)) {
			int t = q[i];
			if(c[t]) continue;
			c[t] = 1;
			for(int x=p[t];x!=t;x=p[x]) {
				push(x);
				c[x] = 1;
			}
		}
		if(l == 0 || rrv[l-1] <= r) break;
		q.clear();
		if(l) push(l-1);
		if(r < n-1) push(r+1);
	}
	int L = 0, R = n - 1;
	while(L < l && p[L] == L) ++L;
	while(r < R && p[R] == R) --R;
	ans += 2 * (gs(L, l) + gs(r, R));
	return ans;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct

Subtask #3
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	272 ms	34496 KB	Output is correct
31	Correct	261 ms	34484 KB	Output is correct
32	Correct	144 ms	34412 KB	Output is correct
33	Correct	150 ms	34412 KB	Output is correct
34	Correct	146 ms	34412 KB	Output is correct
35	Correct	159 ms	34412 KB	Output is correct
36	Correct	154 ms	34484 KB	Output is correct
37	Correct	148 ms	34540 KB	Output is correct
38	Correct	148 ms	34420 KB	Output is correct
39	Correct	151 ms	34412 KB	Output is correct
40	Correct	158 ms	34412 KB	Output is correct
41	Correct	186 ms	34540 KB	Output is correct
42	Correct	176 ms	34412 KB	Output is correct
43	Correct	154 ms	34420 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	364 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	272 ms	34496 KB	Output is correct
31	Correct	261 ms	34484 KB	Output is correct
32	Correct	144 ms	34412 KB	Output is correct
33	Correct	150 ms	34412 KB	Output is correct
34	Correct	146 ms	34412 KB	Output is correct
35	Correct	159 ms	34412 KB	Output is correct
36	Correct	154 ms	34484 KB	Output is correct
37	Correct	148 ms	34540 KB	Output is correct
38	Correct	148 ms	34420 KB	Output is correct
39	Correct	151 ms	34412 KB	Output is correct
40	Correct	158 ms	34412 KB	Output is correct
41	Correct	186 ms	34540 KB	Output is correct
42	Correct	176 ms	34412 KB	Output is correct
43	Correct	154 ms	34420 KB	Output is correct
44	Incorrect	1 ms	364 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

답안 #342741

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0