oj.uz

Submission #239039

# Submission time Handle Problem Language Result Execution time Memory
239039 2020-06-14T07:59:25 Z T0p_ Arranging Shoes (IOI19_shoes) C++14
100 / 100
 115 ms 16760 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

#define N 200005

int p[N], arr[N], tmp[N];
bool visit[N];
vector<int> idx[N];

int sgn(int n)
{
	return (n < 0) ? -1 : 1;
}

long long inv(int l, int r)
{
	if(l == r) return 0;
	int mid = (l+r)>>1;
	long long ret = inv(l, mid) + inv(mid+1, r);
	int i = l, j = mid+1, k = l;
	while(i <= mid && j <= r)
	{
		if(arr[i] < arr[j]) tmp[k++] = arr[i++];
		else
		{
			ret += mid-i+1;
			tmp[k++] = arr[j++];
		}
	}
	while(i <= mid) tmp[k++] = arr[i++];
	while(j <= r) tmp[k++] = arr[j++];
	for(int i=l ; i<=r ; i++) arr[i] = tmp[i];
	return ret;
}

long long count_swaps(vector<int> s)
{
	int n = s.size(), now = 1;
	for(int i=0 ; i<n ; i++) idx[s[i]+100000].push_back(i);
	for(int i=0 ; i<n ; i++) 
	{
		if(visit[i]) continue ;
		arr[i] = now * sgn(s[i]);
		arr[idx[100000-s[i]][p[100000-s[i]]]] = -arr[i];
		visit[i] = true;
		visit[idx[100000-s[i]][p[100000-s[i]]]] = true;
		p[100000+s[i]]++;
		p[100000-s[i]]++;
		now++;
	}
	for(int i=0 ; i<n ; i++)
	{
		int d = 2 * abs(arr[i]);
		if(arr[i] > 0) d++;
		arr[i] = d;
	}
	return inv(0, n-1);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 5120 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 5120 KB Output is correct
21 Correct 7 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 5120 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 8 ms 5120 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 5120 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 8 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 8 ms 4992 KB Output is correct
4 Correct 8 ms 4992 KB Output is correct
5 Correct 8 ms 4992 KB Output is correct
6 Correct 8 ms 4992 KB Output is correct
7 Correct 7 ms 5120 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 5120 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 8 ms 5120 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 5120 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 5120 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 8 ms 5120 KB Output is correct
19 Correct 8 ms 5120 KB Output is correct
20 Correct 12 ms 5632 KB Output is correct
21 Correct 11 ms 5632 KB Output is correct
22 Correct 55 ms 10512 KB Output is correct
23 Correct 52 ms 10604 KB Output is correct
24 Correct 54 ms 10604 KB Output is correct
25 Correct 50 ms 10380 KB Output is correct
26 Correct 55 ms 10604 KB Output is correct
27 Correct 50 ms 10484 KB Output is correct
28 Correct 50 ms 10608 KB Output is correct
29 Correct 59 ms 10480 KB Output is correct
30 Correct 51 ms 10480 KB Output is correct
31 Correct 57 ms 10628 KB Output is correct
32 Correct 51 ms 10572 KB Output is correct
33 Correct 48 ms 10352 KB Output is correct
34 Correct 50 ms 10608 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 5120 KB Output is correct
37 Correct 51 ms 10608 KB Output is correct
38 Correct 50 ms 10480 KB Output is correct
39 Correct 52 ms 10608 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 5120 KB Output is correct
3 Correct 7 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 78 ms 16632 KB Output is correct
6 Correct 67 ms 11772 KB Output is correct
7 Correct 83 ms 16760 KB Output is correct
8 Correct 52 ms 10628 KB Output is correct
9 Correct 77 ms 16632 KB Output is correct
10 Correct 77 ms 13564 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 5120 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 5120 KB Output is correct
21 Correct 7 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 5120 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 8 ms 5120 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 5120 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 8 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 5120 KB Output is correct
38 Correct 7 ms 4992 KB Output is correct
39 Correct 7 ms 5248 KB Output is correct
40 Correct 7 ms 4992 KB Output is correct
41 Correct 8 ms 5120 KB Output is correct
42 Correct 8 ms 5120 KB Output is correct
43 Correct 8 ms 5120 KB Output is correct
44 Correct 7 ms 5120 KB Output is correct
45 Correct 8 ms 5120 KB Output is correct
46 Correct 8 ms 5120 KB Output is correct
47 Correct 8 ms 5120 KB Output is correct
48 Correct 7 ms 5120 KB Output is correct
49 Correct 7 ms 5120 KB Output is correct
50 Correct 7 ms 5120 KB Output is correct
51 Correct 8 ms 4992 KB Output is correct
52 Correct 8 ms 5120 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 5120 KB Output is correct
15 Correct 7 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 5120 KB Output is correct
21 Correct 7 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 5120 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 8 ms 5120 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 5120 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 8 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 8 ms 4992 KB Output is correct
38 Correct 8 ms 4992 KB Output is correct
39 Correct 8 ms 4992 KB Output is correct
40 Correct 8 ms 4992 KB Output is correct
41 Correct 7 ms 5120 KB Output is correct
42 Correct 7 ms 4992 KB Output is correct
43 Correct 7 ms 5120 KB Output is correct
44 Correct 7 ms 4992 KB Output is correct
45 Correct 7 ms 4992 KB Output is correct
46 Correct 8 ms 5120 KB Output is correct
47 Correct 7 ms 4992 KB Output is correct
48 Correct 7 ms 5120 KB Output is correct
49 Correct 7 ms 4992 KB Output is correct
50 Correct 7 ms 5120 KB Output is correct
51 Correct 7 ms 4992 KB Output is correct
52 Correct 8 ms 5120 KB Output is correct
53 Correct 8 ms 5120 KB Output is correct
54 Correct 12 ms 5632 KB Output is correct
55 Correct 11 ms 5632 KB Output is correct
56 Correct 55 ms 10512 KB Output is correct
57 Correct 52 ms 10604 KB Output is correct
58 Correct 54 ms 10604 KB Output is correct
59 Correct 50 ms 10380 KB Output is correct
60 Correct 55 ms 10604 KB Output is correct
61 Correct 50 ms 10484 KB Output is correct
62 Correct 50 ms 10608 KB Output is correct
63 Correct 59 ms 10480 KB Output is correct
64 Correct 51 ms 10480 KB Output is correct
65 Correct 57 ms 10628 KB Output is correct
66 Correct 51 ms 10572 KB Output is correct
67 Correct 48 ms 10352 KB Output is correct
68 Correct 50 ms 10608 KB Output is correct
69 Correct 7 ms 4992 KB Output is correct
70 Correct 7 ms 5120 KB Output is correct
71 Correct 51 ms 10608 KB Output is correct
72 Correct 50 ms 10480 KB Output is correct
73 Correct 52 ms 10608 KB Output is correct
74 Correct 7 ms 4992 KB Output is correct
75 Correct 7 ms 5120 KB Output is correct
76 Correct 7 ms 5120 KB Output is correct
77 Correct 7 ms 4992 KB Output is correct
78 Correct 78 ms 16632 KB Output is correct
79 Correct 67 ms 11772 KB Output is correct
80 Correct 83 ms 16760 KB Output is correct
81 Correct 52 ms 10628 KB Output is correct
82 Correct 77 ms 16632 KB Output is correct
83 Correct 77 ms 13564 KB Output is correct
84 Correct 7 ms 5120 KB Output is correct
85 Correct 7 ms 4992 KB Output is correct
86 Correct 7 ms 5248 KB Output is correct
87 Correct 7 ms 4992 KB Output is correct
88 Correct 8 ms 5120 KB Output is correct
89 Correct 8 ms 5120 KB Output is correct
90 Correct 8 ms 5120 KB Output is correct
91 Correct 7 ms 5120 KB Output is correct
92 Correct 8 ms 5120 KB Output is correct
93 Correct 8 ms 5120 KB Output is correct
94 Correct 8 ms 5120 KB Output is correct
95 Correct 7 ms 5120 KB Output is correct
96 Correct 7 ms 5120 KB Output is correct
97 Correct 7 ms 5120 KB Output is correct
98 Correct 8 ms 4992 KB Output is correct
99 Correct 8 ms 5120 KB Output is correct
100 Correct 8 ms 5120 KB Output is correct
101 Correct 14 ms 6144 KB Output is correct
102 Correct 14 ms 5760 KB Output is correct
103 Correct 115 ms 16676 KB Output is correct
104 Correct 90 ms 16724 KB Output is correct
105 Correct 109 ms 14072 KB Output is correct
106 Correct 78 ms 16632 KB Output is correct
107 Correct 75 ms 12024 KB Output is correct
108 Correct 79 ms 12408 KB Output is correct
109 Correct 51 ms 10992 KB Output is correct
110 Correct 52 ms 10488 KB Output is correct
111 Correct 85 ms 15868 KB Output is correct
112 Correct 100 ms 15224 KB Output is correct
113 Correct 79 ms 12024 KB Output is correct
114 Correct 81 ms 16728 KB Output is correct
115 Correct 79 ms 16632 KB Output is correct