답안 #58933

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
58933 2018-07-19T20:59:09 Z reality 고대 책들 (IOI17_books) C++17
50 / 100
397 ms 161072 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));
		}
		int cl = 0,cr = 0;
		int l1 = l,r1 = l - 1;
		int l2 = r + 1,r2 = r;
		while (a < l1) {
			--l1;
			cl += 2;
			while (l1 > get1(l1,r1))
				smin(l1,get1(l1,r1));
			if (get2(l1,r1) > r)
				break;
		}
		while (r2 < b) {
			++r2;
			cr += 2;
			while (r2 < get2(l2,r2))
				smax(r2,get2(l2,r2));
			if (get1(l2,r2) < l)
				break;
		}
		if (get2(l1,r1) > r && get1(l2,r2) < l) {
			ans += min(cl,cr);
			l = l1;
			r = r2;
		} else {
			ans += cl + cr;
			break;
		}
	}
	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 548 KB Output is correct
8 Correct 2 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 560 KB Output is correct
11 Correct 2 ms 688 KB Output is correct
12 Correct 3 ms 688 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 2 ms 688 KB Output is correct
15 Correct 2 ms 688 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 2 ms 688 KB Output is correct
18 Correct 2 ms 688 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 548 KB Output is correct
8 Correct 2 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 560 KB Output is correct
11 Correct 2 ms 688 KB Output is correct
12 Correct 3 ms 688 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 2 ms 688 KB Output is correct
15 Correct 2 ms 688 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 2 ms 688 KB Output is correct
18 Correct 2 ms 688 KB Output is correct
19 Correct 2 ms 700 KB Output is correct
20 Correct 2 ms 832 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 852 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 3 ms 852 KB Output is correct
28 Correct 2 ms 852 KB Output is correct
29 Correct 2 ms 880 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 548 KB Output is correct
8 Correct 2 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 560 KB Output is correct
11 Correct 2 ms 688 KB Output is correct
12 Correct 3 ms 688 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 2 ms 688 KB Output is correct
15 Correct 2 ms 688 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 2 ms 688 KB Output is correct
18 Correct 2 ms 688 KB Output is correct
19 Correct 2 ms 700 KB Output is correct
20 Correct 2 ms 832 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 852 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 3 ms 852 KB Output is correct
28 Correct 2 ms 852 KB Output is correct
29 Correct 2 ms 880 KB Output is correct
30 Correct 323 ms 161004 KB Output is correct
31 Correct 294 ms 161004 KB Output is correct
32 Correct 283 ms 161004 KB Output is correct
33 Correct 329 ms 161036 KB Output is correct
34 Correct 295 ms 161036 KB Output is correct
35 Correct 284 ms 161072 KB Output is correct
36 Correct 277 ms 161072 KB Output is correct
37 Correct 289 ms 161072 KB Output is correct
38 Correct 281 ms 161072 KB Output is correct
39 Correct 279 ms 161072 KB Output is correct
40 Correct 397 ms 161072 KB Output is correct
41 Correct 299 ms 161072 KB Output is correct
42 Correct 391 ms 161072 KB Output is correct
43 Correct 286 ms 161072 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 161072 KB Output is correct
2 Correct 3 ms 161072 KB Output is correct
3 Correct 4 ms 161072 KB Output is correct
4 Correct 2 ms 161072 KB Output is correct
5 Correct 2 ms 161072 KB Output is correct
6 Correct 3 ms 161072 KB Output is correct
7 Correct 3 ms 161072 KB Output is correct
8 Correct 3 ms 161072 KB Output is correct
9 Correct 3 ms 161072 KB Output is correct
10 Incorrect 3 ms 161072 KB 3rd lines differ - on the 1st token, expected: '0', found: '2000'
11 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 548 KB Output is correct
7 Correct 2 ms 548 KB Output is correct
8 Correct 2 ms 548 KB Output is correct
9 Correct 2 ms 548 KB Output is correct
10 Correct 3 ms 560 KB Output is correct
11 Correct 2 ms 688 KB Output is correct
12 Correct 3 ms 688 KB Output is correct
13 Correct 2 ms 688 KB Output is correct
14 Correct 2 ms 688 KB Output is correct
15 Correct 2 ms 688 KB Output is correct
16 Correct 3 ms 688 KB Output is correct
17 Correct 2 ms 688 KB Output is correct
18 Correct 2 ms 688 KB Output is correct
19 Correct 2 ms 700 KB Output is correct
20 Correct 2 ms 832 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 3 ms 852 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 3 ms 852 KB Output is correct
28 Correct 2 ms 852 KB Output is correct
29 Correct 2 ms 880 KB Output is correct
30 Correct 323 ms 161004 KB Output is correct
31 Correct 294 ms 161004 KB Output is correct
32 Correct 283 ms 161004 KB Output is correct
33 Correct 329 ms 161036 KB Output is correct
34 Correct 295 ms 161036 KB Output is correct
35 Correct 284 ms 161072 KB Output is correct
36 Correct 277 ms 161072 KB Output is correct
37 Correct 289 ms 161072 KB Output is correct
38 Correct 281 ms 161072 KB Output is correct
39 Correct 279 ms 161072 KB Output is correct
40 Correct 397 ms 161072 KB Output is correct
41 Correct 299 ms 161072 KB Output is correct
42 Correct 391 ms 161072 KB Output is correct
43 Correct 286 ms 161072 KB Output is correct
44 Correct 3 ms 161072 KB Output is correct
45 Correct 3 ms 161072 KB Output is correct
46 Correct 4 ms 161072 KB Output is correct
47 Correct 2 ms 161072 KB Output is correct
48 Correct 2 ms 161072 KB Output is correct
49 Correct 3 ms 161072 KB Output is correct
50 Correct 3 ms 161072 KB Output is correct
51 Correct 3 ms 161072 KB Output is correct
52 Correct 3 ms 161072 KB Output is correct
53 Incorrect 3 ms 161072 KB 3rd lines differ - on the 1st token, expected: '0', found: '2000'
54 Halted 0 ms 0 KB -