답안 #58918

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
58918 2018-07-19T20:00:39 Z reality 고대 책들 (IOI17_books) C++17
50 / 100
482 ms 161132 KB
#include "books.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
#include "books.h"
const int oo = 1e9;
int n;
int D1[20][1 << 20];
int D2[20][1 << 20];
int Log[1 << 20];
int get1(int l,int r) {
	int k = Log[r - l + 1];
	return min(D1[k][l],D1[k][r - (1 << k) + 1]);
}
int get2(int l,int r) {
	int k = Log[r - l + 1];
	return max(D2[k][l],D2[k][r - (1 << k) + 1]);
}
long long minimum_walk(std::vector<int> p, int s) {
	n = p.size();
	int a = 0,b = n - 1;
	while (a + 1 <= s && p[a] == a)
		--a;
	while (b - 1 >= s && p[b] == b)
		--b;
	int l = s,r = s;
	ll ans = 0;
	for (int i = 0;i < n;++i)
		ans += abs(i - p[i]);
	for (int i = 0;i < n;++i) {
		D1[0][i] = D2[0][i] = p[i];
	}
	for (int t = 1;t < 20;++t)
		for (int i = 0;i + (1 << t) <= n;++i) {
			D1[t][i] = min(D1[t - 1][i],D1[t - 1][i + (1 << (t - 1))]);
			D2[t][i] = max(D2[t - 1][i],D2[t - 1][i + (1 << (t - 1))]);
		}
	for (int i = 2;i <= n;++i)
		Log[i] = Log[i / 2] + 1;
	while (a < l || r < b) {
		while (get1(l,r) < l || r < get2(l,r)) {
			smin(l,get1(l,r));
			smax(r,get2(l,r));
		}
		if (l - 1 >= a) {
			--l;
			ans += 2;
		} else
		if (r + 1 <= b) {
			++r;
			ans += 2;
		}
	}
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 2 ms 548 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 4 ms 616 KB Output is correct
14 Correct 2 ms 696 KB Output is correct
15 Correct 2 ms 696 KB Output is correct
16 Correct 2 ms 696 KB Output is correct
17 Correct 2 ms 696 KB Output is correct
18 Correct 2 ms 696 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 2 ms 548 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 4 ms 616 KB Output is correct
14 Correct 2 ms 696 KB Output is correct
15 Correct 2 ms 696 KB Output is correct
16 Correct 2 ms 696 KB Output is correct
17 Correct 2 ms 696 KB Output is correct
18 Correct 2 ms 696 KB Output is correct
19 Correct 2 ms 744 KB Output is correct
20 Correct 2 ms 748 KB Output is correct
21 Correct 2 ms 752 KB Output is correct
22 Correct 3 ms 752 KB Output is correct
23 Correct 3 ms 752 KB Output is correct
24 Correct 3 ms 752 KB Output is correct
25 Correct 3 ms 876 KB Output is correct
26 Correct 4 ms 876 KB Output is correct
27 Correct 4 ms 876 KB Output is correct
28 Correct 4 ms 876 KB Output is correct
29 Correct 3 ms 876 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 2 ms 548 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 4 ms 616 KB Output is correct
14 Correct 2 ms 696 KB Output is correct
15 Correct 2 ms 696 KB Output is correct
16 Correct 2 ms 696 KB Output is correct
17 Correct 2 ms 696 KB Output is correct
18 Correct 2 ms 696 KB Output is correct
19 Correct 2 ms 744 KB Output is correct
20 Correct 2 ms 748 KB Output is correct
21 Correct 2 ms 752 KB Output is correct
22 Correct 3 ms 752 KB Output is correct
23 Correct 3 ms 752 KB Output is correct
24 Correct 3 ms 752 KB Output is correct
25 Correct 3 ms 876 KB Output is correct
26 Correct 4 ms 876 KB Output is correct
27 Correct 4 ms 876 KB Output is correct
28 Correct 4 ms 876 KB Output is correct
29 Correct 3 ms 876 KB Output is correct
30 Correct 428 ms 160940 KB Output is correct
31 Correct 424 ms 161132 KB Output is correct
32 Correct 345 ms 161132 KB Output is correct
33 Correct 419 ms 161132 KB Output is correct
34 Correct 482 ms 161132 KB Output is correct
35 Correct 420 ms 161132 KB Output is correct
36 Correct 374 ms 161132 KB Output is correct
37 Correct 402 ms 161132 KB Output is correct
38 Correct 343 ms 161132 KB Output is correct
39 Correct 342 ms 161132 KB Output is correct
40 Correct 352 ms 161132 KB Output is correct
41 Correct 349 ms 161132 KB Output is correct
42 Correct 322 ms 161132 KB Output is correct
43 Correct 328 ms 161132 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 161132 KB Output is correct
2 Correct 3 ms 161132 KB Output is correct
3 Correct 3 ms 161132 KB Output is correct
4 Correct 3 ms 161132 KB Output is correct
5 Correct 2 ms 161132 KB Output is correct
6 Incorrect 2 ms 161132 KB 3rd lines differ - on the 1st token, expected: '22140', found: '22144'
7 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 2 ms 548 KB Output is correct
11 Correct 2 ms 592 KB Output is correct
12 Correct 2 ms 592 KB Output is correct
13 Correct 4 ms 616 KB Output is correct
14 Correct 2 ms 696 KB Output is correct
15 Correct 2 ms 696 KB Output is correct
16 Correct 2 ms 696 KB Output is correct
17 Correct 2 ms 696 KB Output is correct
18 Correct 2 ms 696 KB Output is correct
19 Correct 2 ms 744 KB Output is correct
20 Correct 2 ms 748 KB Output is correct
21 Correct 2 ms 752 KB Output is correct
22 Correct 3 ms 752 KB Output is correct
23 Correct 3 ms 752 KB Output is correct
24 Correct 3 ms 752 KB Output is correct
25 Correct 3 ms 876 KB Output is correct
26 Correct 4 ms 876 KB Output is correct
27 Correct 4 ms 876 KB Output is correct
28 Correct 4 ms 876 KB Output is correct
29 Correct 3 ms 876 KB Output is correct
30 Correct 428 ms 160940 KB Output is correct
31 Correct 424 ms 161132 KB Output is correct
32 Correct 345 ms 161132 KB Output is correct
33 Correct 419 ms 161132 KB Output is correct
34 Correct 482 ms 161132 KB Output is correct
35 Correct 420 ms 161132 KB Output is correct
36 Correct 374 ms 161132 KB Output is correct
37 Correct 402 ms 161132 KB Output is correct
38 Correct 343 ms 161132 KB Output is correct
39 Correct 342 ms 161132 KB Output is correct
40 Correct 352 ms 161132 KB Output is correct
41 Correct 349 ms 161132 KB Output is correct
42 Correct 322 ms 161132 KB Output is correct
43 Correct 328 ms 161132 KB Output is correct
44 Correct 3 ms 161132 KB Output is correct
45 Correct 3 ms 161132 KB Output is correct
46 Correct 3 ms 161132 KB Output is correct
47 Correct 3 ms 161132 KB Output is correct
48 Correct 2 ms 161132 KB Output is correct
49 Incorrect 2 ms 161132 KB 3rd lines differ - on the 1st token, expected: '22140', found: '22144'
50 Halted 0 ms 0 KB -