답안 #73440

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
73440 2018-08-28T09:17:42 Z Navick 고대 책들 (IOI17_books) C++17
50 / 100
334 ms 29584 KB
#include <bits/stdc++.h>
#include "books.h"

#define F first
#define S second
#define pii pair<int, int>
#define pb push_back

using namespace std;

typedef long long ll;

const int maxN = 1e6 + 10;

bool mark[maxN];
vector <pii> que;

long long minimum_walk(std::vector<int> p, int s) {
	int n = p.size();
	ll ans = 0;

	for (int i=0; i<n; i++)
	{
		if(mark[i]) continue ;
		int curr = i, mn = n, sz = 0, mx = 0;

		while(!mark[curr])
		{
			mn = min(mn, curr);
			mx = max(mx, curr);
			sz ++;
			mark[curr] = true;
			ans += abs(p[curr] - curr);
			curr = p[curr];
		}
		que.pb({mn, mx});
	}

	sort(que.begin(), que.end());
	int len = que.size();

	int maxR = 0, currL = 0;
		
	vector <pii> res;

	for (int i=0; i<len; i++)
	{
		if(maxR >= que[i].F) maxR = max(maxR, que[i].S);
		else
		{
			res.pb({currL, maxR});
			currL = maxR + 1;
			maxR = que[i].S;
		}
	}
	res.pb({currL, maxR});
	
	int M = -1, m = -1, mid = -1;

	for (int i=0; i<(int)res.size(); i++){
		
		if(res[i].F <= s && s <= res[i].S) mid = i;

		if(res[i].F == res[i].S) continue ;
		if(res[i].S < s && m == -1) m = i;
		if(res[i].F > s) M = i;
	}

	if(m == -1) m = mid;
	if(M == -1) M = mid;

	return ans + 2LL * (M - m);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 2 ms 500 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 2 ms 500 KB Output is correct
9 Correct 2 ms 568 KB Output is correct
10 Correct 3 ms 568 KB Output is correct
11 Correct 2 ms 568 KB Output is correct
12 Correct 2 ms 568 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 2 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 2 ms 500 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 2 ms 500 KB Output is correct
9 Correct 2 ms 568 KB Output is correct
10 Correct 3 ms 568 KB Output is correct
11 Correct 2 ms 568 KB Output is correct
12 Correct 2 ms 568 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 2 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 2 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 3 ms 624 KB Output is correct
22 Correct 3 ms 624 KB Output is correct
23 Correct 3 ms 624 KB Output is correct
24 Correct 3 ms 624 KB Output is correct
25 Correct 3 ms 624 KB Output is correct
26 Correct 3 ms 624 KB Output is correct
27 Correct 3 ms 624 KB Output is correct
28 Correct 3 ms 624 KB Output is correct
29 Correct 3 ms 636 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 2 ms 500 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 2 ms 500 KB Output is correct
9 Correct 2 ms 568 KB Output is correct
10 Correct 3 ms 568 KB Output is correct
11 Correct 2 ms 568 KB Output is correct
12 Correct 2 ms 568 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 2 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 2 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 3 ms 624 KB Output is correct
22 Correct 3 ms 624 KB Output is correct
23 Correct 3 ms 624 KB Output is correct
24 Correct 3 ms 624 KB Output is correct
25 Correct 3 ms 624 KB Output is correct
26 Correct 3 ms 624 KB Output is correct
27 Correct 3 ms 624 KB Output is correct
28 Correct 3 ms 624 KB Output is correct
29 Correct 3 ms 636 KB Output is correct
30 Correct 334 ms 9340 KB Output is correct
31 Correct 323 ms 9468 KB Output is correct
32 Correct 229 ms 29584 KB Output is correct
33 Correct 224 ms 29584 KB Output is correct
34 Correct 236 ms 29584 KB Output is correct
35 Correct 219 ms 29584 KB Output is correct
36 Correct 257 ms 29584 KB Output is correct
37 Correct 199 ms 29584 KB Output is correct
38 Correct 147 ms 29584 KB Output is correct
39 Correct 168 ms 29584 KB Output is correct
40 Correct 224 ms 29584 KB Output is correct
41 Correct 257 ms 29584 KB Output is correct
42 Correct 191 ms 29584 KB Output is correct
43 Correct 217 ms 29584 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 29584 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 2 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 432 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 2 ms 500 KB Output is correct
7 Correct 2 ms 500 KB Output is correct
8 Correct 2 ms 500 KB Output is correct
9 Correct 2 ms 568 KB Output is correct
10 Correct 3 ms 568 KB Output is correct
11 Correct 2 ms 568 KB Output is correct
12 Correct 2 ms 568 KB Output is correct
13 Correct 2 ms 620 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 2 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 2 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 3 ms 624 KB Output is correct
22 Correct 3 ms 624 KB Output is correct
23 Correct 3 ms 624 KB Output is correct
24 Correct 3 ms 624 KB Output is correct
25 Correct 3 ms 624 KB Output is correct
26 Correct 3 ms 624 KB Output is correct
27 Correct 3 ms 624 KB Output is correct
28 Correct 3 ms 624 KB Output is correct
29 Correct 3 ms 636 KB Output is correct
30 Correct 334 ms 9340 KB Output is correct
31 Correct 323 ms 9468 KB Output is correct
32 Correct 229 ms 29584 KB Output is correct
33 Correct 224 ms 29584 KB Output is correct
34 Correct 236 ms 29584 KB Output is correct
35 Correct 219 ms 29584 KB Output is correct
36 Correct 257 ms 29584 KB Output is correct
37 Correct 199 ms 29584 KB Output is correct
38 Correct 147 ms 29584 KB Output is correct
39 Correct 168 ms 29584 KB Output is correct
40 Correct 224 ms 29584 KB Output is correct
41 Correct 257 ms 29584 KB Output is correct
42 Correct 191 ms 29584 KB Output is correct
43 Correct 217 ms 29584 KB Output is correct
44 Incorrect 3 ms 29584 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -