답안 #423685

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
423685	2021-06-11T11:23:51 Z	arayi	고대 책들 (IOI17_books)	C++17	50 / 100	255 ms	39788 KB

books

#include "books.h"
#include <bits/stdc++.h>
#define lli long long
#define ad push_back
#define fr first
#define sc second
#define MP make_pair
using namespace std;

const int N = 1e6 + 30;

int i1 = 1, ii, n;
int col[N], a[N], cl[N];
int mn[N], mx[N], m[N], x[N];
lli ans;
int dfs(int v)
{
    col[v] = i1;
    cl[v] = ii;
    mn[ii] = min(mn[ii], v), m[i1] = min(m[i1], v);
    mx[ii] = max(mx[ii], v), x[i1] = max(x[i1], v);
    if(!col[a[v]]) return max(v, dfs(a[v]));
    return v;
}
long long minimum_walk(vector<int> p, int s)
{
	n = p.size();
	for(int i = 0; i < n; i++) a[i] = p[i], ans += abs(a[i] - i), mn[i] = m[i] = n;
	int nx = -1;
	for(int i = 0; i < n; i++)
    {
        if(a[i] == i) continue;
        if(!col[i])
        {
            if(nx >= 0 && i > nx) ans += 2*(i - nx), i1++;
            ii++;
            nx = max(nx, dfs(i));
        }
    }
    int dz = -1, aj = -1;
    for(int i = s; i < n; i++)
    {
        if(col[i])
        {
            aj = i;
            break;
        }
    }
    for(int i = s; i >= 0; i--)
    {
        if(col[i])
        {
            dz = i;
            break;
        }
    }
    if(dz == -1 && aj == -1) return ans;
    else if(dz == -1) ans += 2*abs(aj - s);
    else if(aj == -1) ans += 2*abs(s - dz);
    else if(col[aj] == col[dz])
    {
        int sm = 0;
        int i = s, nx = s;
        while(nx < x[col[aj]])
        {
            if(cl[i]) nx = max(nx, mx[cl[i]]);
            i++;
            if(i > nx) sm++, nx = i;
        }
        int ss = 0;
        i = s, nx = s;
        while(nx > m[col[aj]])
        {
            if(cl[i]) nx = min(nx, mn[cl[i]]);
            i--;
            if(i < nx) ss++, nx = i;
        }
        ans += 2*min(ss, sm);
        //cout << s <<  " " << sm << endl;
    }
    return ans;
}

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	255 ms	39788 KB	Output is correct
31	Correct	232 ms	33740 KB	Output is correct
32	Correct	148 ms	19780 KB	Output is correct
33	Correct	140 ms	29048 KB	Output is correct
34	Correct	137 ms	29036 KB	Output is correct
35	Correct	140 ms	29380 KB	Output is correct
36	Correct	181 ms	28652 KB	Output is correct
37	Correct	134 ms	27768 KB	Output is correct
38	Correct	143 ms	27772 KB	Output is correct
39	Correct	151 ms	27716 KB	Output is correct
40	Correct	139 ms	28172 KB	Output is correct
41	Correct	255 ms	32836 KB	Output is correct
42	Correct	165 ms	30072 KB	Output is correct
43	Correct	183 ms	28656 KB	Output is correct

Subtask #4

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	332 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3308'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	0 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	0 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	255 ms	39788 KB	Output is correct
31	Correct	232 ms	33740 KB	Output is correct
32	Correct	148 ms	19780 KB	Output is correct
33	Correct	140 ms	29048 KB	Output is correct
34	Correct	137 ms	29036 KB	Output is correct
35	Correct	140 ms	29380 KB	Output is correct
36	Correct	181 ms	28652 KB	Output is correct
37	Correct	134 ms	27768 KB	Output is correct
38	Correct	143 ms	27772 KB	Output is correct
39	Correct	151 ms	27716 KB	Output is correct
40	Correct	139 ms	28172 KB	Output is correct
41	Correct	255 ms	32836 KB	Output is correct
42	Correct	165 ms	30072 KB	Output is correct
43	Correct	183 ms	28656 KB	Output is correct
44	Incorrect	1 ms	332 KB	3rd lines differ - on the 1st token, expected: '3304', found: '3308'
45	Halted	0 ms	0 KB	-