답안 #137615

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
137615 2019-07-28T07:35:01 Z Mahdi_Jfri 고대 책들 (IOI17_books) C++14
50 / 100
395 ms 42072 KB
#include "books.h"
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back

const int maxn = 1e6 + 20;

int par[maxn];

int root(int v)
{
	return par[v] < 0? v : par[v] = root(par[v]);
}

bool merge(int v , int u)
{
	v = root(v) , u = root(u);
	if(v == u)
		return 0;

	par[v] = u;
	return 1;
}

int cnt[maxn];

long long minimum_walk(vector<int> p, int s)
{
	memset(par , -1 , sizeof par);
	ll res = 0;
	int n = p.size();

	vector<int> val;
	for(int i = 0; i < n; i++)
	{
		res += abs(p[i] - i) , merge(i , p[i]);
		if(i < p[i])
			cnt[i]++ , cnt[p[i]]--;
		if(p[i] != i || i == s)
			val.pb(i);
	}

	for(int i = 1; i < n; i++)
		cnt[i] += cnt[i - 1];

	for(int i = 0; i < n; i++)
		if(cnt[i])
			merge(i , i + 1);

	int m = val.size();
	vector<pair<int , pair<int , int> > > tmp;
	for(int i = 0; i + 1 < m; i++)
		tmp.pb({val[i + 1] - val[i] , {val[i] , val[i + 1]}});
	sort(tmp.begin() , tmp.end());

	for(auto x : tmp)
	{
		int a = x.second.first , b = x.second.second;
		if(merge(a , b))
			res += 2 * x.first;
	}
	return res;
}


# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4260 KB Output is correct
2 Correct 5 ms 4216 KB Output is correct
3 Correct 5 ms 4216 KB Output is correct
4 Correct 5 ms 4216 KB Output is correct
5 Correct 5 ms 4216 KB Output is correct
6 Correct 5 ms 4216 KB Output is correct
7 Correct 5 ms 4216 KB Output is correct
8 Correct 5 ms 4216 KB Output is correct
9 Correct 5 ms 4216 KB Output is correct
10 Correct 5 ms 4216 KB Output is correct
11 Correct 5 ms 4216 KB Output is correct
12 Correct 5 ms 4216 KB Output is correct
13 Correct 5 ms 4216 KB Output is correct
14 Correct 5 ms 4216 KB Output is correct
15 Correct 5 ms 4216 KB Output is correct
16 Correct 5 ms 4216 KB Output is correct
17 Correct 5 ms 4216 KB Output is correct
18 Correct 5 ms 4216 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4260 KB Output is correct
2 Correct 5 ms 4216 KB Output is correct
3 Correct 5 ms 4216 KB Output is correct
4 Correct 5 ms 4216 KB Output is correct
5 Correct 5 ms 4216 KB Output is correct
6 Correct 5 ms 4216 KB Output is correct
7 Correct 5 ms 4216 KB Output is correct
8 Correct 5 ms 4216 KB Output is correct
9 Correct 5 ms 4216 KB Output is correct
10 Correct 5 ms 4216 KB Output is correct
11 Correct 5 ms 4216 KB Output is correct
12 Correct 5 ms 4216 KB Output is correct
13 Correct 5 ms 4216 KB Output is correct
14 Correct 5 ms 4216 KB Output is correct
15 Correct 5 ms 4216 KB Output is correct
16 Correct 5 ms 4216 KB Output is correct
17 Correct 5 ms 4216 KB Output is correct
18 Correct 5 ms 4216 KB Output is correct
19 Correct 6 ms 4344 KB Output is correct
20 Correct 5 ms 4344 KB Output is correct
21 Correct 6 ms 4216 KB Output is correct
22 Correct 6 ms 4316 KB Output is correct
23 Correct 5 ms 4208 KB Output is correct
24 Correct 6 ms 4220 KB Output is correct
25 Correct 7 ms 4208 KB Output is correct
26 Correct 5 ms 4216 KB Output is correct
27 Correct 6 ms 4344 KB Output is correct
28 Correct 5 ms 4216 KB Output is correct
29 Correct 5 ms 4216 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 4260 KB Output is correct
2 Correct 5 ms 4216 KB Output is correct
3 Correct 5 ms 4216 KB Output is correct
4 Correct 5 ms 4216 KB Output is correct
5 Correct 5 ms 4216 KB Output is correct
6 Correct 5 ms 4216 KB Output is correct
7 Correct 5 ms 4216 KB Output is correct
8 Correct 5 ms 4216 KB Output is correct
9 Correct 5 ms 4216 KB Output is correct
10 Correct 5 ms 4216 KB Output is correct
11 Correct 5 ms 4216 KB Output is correct
12 Correct 5 ms 4216 KB Output is correct
13 Correct 5 ms 4216 KB Output is correct
14 Correct 5 ms 4216 KB Output is correct
15 Correct 5 ms 4216 KB Output is correct
16 Correct 5 ms 4216 KB Output is correct
17 Correct 5 ms 4216 KB Output is correct
18 Correct 5 ms 4216 KB Output is correct
19 Correct 6 ms 4344 KB Output is correct
20 Correct 5 ms 4344 KB Output is correct
21 Correct 6 ms 4216 KB Output is correct
22 Correct 6 ms 4316 KB Output is correct
23 Correct 5 ms 4208 KB Output is correct
24 Correct 6 ms 4220 KB Output is correct
25 Correct 7 ms 4208 KB Output is correct
26 Correct 5 ms 4216 KB Output is correct
27 Correct 6 ms 4344 KB Output is correct
28 Correct 5 ms 4216 KB Output is correct
29 Correct 5 ms 4216 KB Output is correct
30 Correct 331 ms 42040 KB Output is correct
31 Correct 315 ms 41996 KB Output is correct
32 Correct 148 ms 22704 KB Output is correct
33 Correct 244 ms 32360 KB Output is correct
34 Correct 246 ms 32416 KB Output is correct
35 Correct 283 ms 40664 KB Output is correct
36 Correct 339 ms 41648 KB Output is correct
37 Correct 394 ms 41944 KB Output is correct
38 Correct 392 ms 42020 KB Output is correct
39 Correct 393 ms 42040 KB Output is correct
40 Correct 395 ms 42004 KB Output is correct
41 Correct 320 ms 41980 KB Output is correct
42 Correct 353 ms 42072 KB Output is correct
43 Correct 264 ms 32432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 4216 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 5 ms 4260 KB Output is correct
2 Correct 5 ms 4216 KB Output is correct
3 Correct 5 ms 4216 KB Output is correct
4 Correct 5 ms 4216 KB Output is correct
5 Correct 5 ms 4216 KB Output is correct
6 Correct 5 ms 4216 KB Output is correct
7 Correct 5 ms 4216 KB Output is correct
8 Correct 5 ms 4216 KB Output is correct
9 Correct 5 ms 4216 KB Output is correct
10 Correct 5 ms 4216 KB Output is correct
11 Correct 5 ms 4216 KB Output is correct
12 Correct 5 ms 4216 KB Output is correct
13 Correct 5 ms 4216 KB Output is correct
14 Correct 5 ms 4216 KB Output is correct
15 Correct 5 ms 4216 KB Output is correct
16 Correct 5 ms 4216 KB Output is correct
17 Correct 5 ms 4216 KB Output is correct
18 Correct 5 ms 4216 KB Output is correct
19 Correct 6 ms 4344 KB Output is correct
20 Correct 5 ms 4344 KB Output is correct
21 Correct 6 ms 4216 KB Output is correct
22 Correct 6 ms 4316 KB Output is correct
23 Correct 5 ms 4208 KB Output is correct
24 Correct 6 ms 4220 KB Output is correct
25 Correct 7 ms 4208 KB Output is correct
26 Correct 5 ms 4216 KB Output is correct
27 Correct 6 ms 4344 KB Output is correct
28 Correct 5 ms 4216 KB Output is correct
29 Correct 5 ms 4216 KB Output is correct
30 Correct 331 ms 42040 KB Output is correct
31 Correct 315 ms 41996 KB Output is correct
32 Correct 148 ms 22704 KB Output is correct
33 Correct 244 ms 32360 KB Output is correct
34 Correct 246 ms 32416 KB Output is correct
35 Correct 283 ms 40664 KB Output is correct
36 Correct 339 ms 41648 KB Output is correct
37 Correct 394 ms 41944 KB Output is correct
38 Correct 392 ms 42020 KB Output is correct
39 Correct 393 ms 42040 KB Output is correct
40 Correct 395 ms 42004 KB Output is correct
41 Correct 320 ms 41980 KB Output is correct
42 Correct 353 ms 42072 KB Output is correct
43 Correct 264 ms 32432 KB Output is correct
44 Incorrect 5 ms 4216 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -