oj.uz

Submission #961770

# Submission time Handle Problem Language Result Execution time Memory
961770 2024-04-12T12:22:06 Z raspy Arranging Shoes (IOI19_shoes) C++14
50 / 100
 119 ms 139480 KB 
#include "shoes.h"
#include <queue>
#include <iostream>

#define mx 100000

using namespace std;

queue<int> ns[200005];
int fn[200005];

long long qr(int n, int x)
{
	int rez = 0;
	for (int i = x+1; i; i-=(i&-i))
		rez += fn[i];
	return rez;
}

void upd(int n, int x)
{
	for (int i = x+1; i <= n; i+=(i&-i))
		fn[i]++;
}

long long count_swaps(vector<int> s)
{
	int n = s.size();
	for (int i = 0; i < n; i++)
		ns[s[i]+mx].push(i);
	int rez = 0, zm = 0;
	for (int i = 0; i < n; i++)
	{
		if (ns[s[i]+mx].empty() || ns[s[i]+mx].front() != i)
		{
			zm--;
			continue;
		}
		ns[s[i]+mx].pop();
		int par = s[i]*-1+mx;
		rez += ns[par].front()-i+qr(n, i)-qr(n, ns[par].front())-1;
		// cout << i << ": " << ns[par].front() << " " << i << " " << qr(n, i) << " " << qr(n, ns[par].front()) << "\n";
		upd(n, ns[par].front());
		ns[par].pop();
		// cout << "pr: " << rez << "\n";
		if (s[i] > 0 && (i+zm)%2 == 0)
		{
			rez++;
			// cout << "test1\n";
		}
		if (s[i] < 0 && (i+zm)%2 == 1)
		{
			rez++;
			// cout << "test\n";
		}
		zm++;
		// cout << rez << "\n";
	}
	return rez;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 135504 KB Output is correct
2 Correct 70 ms 135504 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 135504 KB Output is correct
2 Correct 70 ms 135504 KB Output is correct
3 Correct 72 ms 135624 KB Output is correct
4 Correct 64 ms 135552 KB Output is correct
5 Correct 65 ms 135660 KB Output is correct
6 Correct 64 ms 135504 KB Output is correct
7 Correct 69 ms 135628 KB Output is correct
8 Correct 73 ms 135504 KB Output is correct
9 Correct 62 ms 135664 KB Output is correct
10 Correct 63 ms 135504 KB Output is correct
11 Correct 76 ms 135508 KB Output is correct
12 Correct 64 ms 135508 KB Output is correct
13 Correct 64 ms 135496 KB Output is correct
14 Correct 64 ms 135444 KB Output is correct
15 Correct 65 ms 135508 KB Output is correct
16 Correct 72 ms 135476 KB Output is correct
17 Correct 74 ms 135508 KB Output is correct
18 Correct 64 ms 135504 KB Output is correct
19 Correct 65 ms 135504 KB Output is correct
20 Correct 67 ms 135512 KB Output is correct
21 Correct 64 ms 135512 KB Output is correct
22 Correct 62 ms 135504 KB Output is correct
23 Correct 67 ms 135508 KB Output is correct
24 Correct 63 ms 135496 KB Output is correct
25 Correct 71 ms 135448 KB Output is correct
26 Correct 67 ms 135716 KB Output is correct
27 Correct 67 ms 135508 KB Output is correct
28 Correct 66 ms 135508 KB Output is correct
29 Correct 79 ms 135512 KB Output is correct
30 Correct 63 ms 135508 KB Output is correct
31 Correct 68 ms 135764 KB Output is correct
32 Correct 64 ms 135444 KB Output is correct
33 Correct 66 ms 135516 KB Output is correct
34 Correct 69 ms 135764 KB Output is correct
35 Correct 63 ms 135504 KB Output is correct
36 Correct 70 ms 135760 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 135504 KB Output is correct
2 Correct 70 ms 135504 KB Output is correct
3 Correct 68 ms 135504 KB Output is correct
4 Correct 63 ms 135548 KB Output is correct
5 Correct 69 ms 135504 KB Output is correct
6 Correct 65 ms 135500 KB Output is correct
7 Correct 63 ms 135592 KB Output is correct
8 Correct 66 ms 135504 KB Output is correct
9 Correct 63 ms 135504 KB Output is correct
10 Correct 63 ms 135504 KB Output is correct
11 Correct 65 ms 135488 KB Output is correct
12 Correct 63 ms 135508 KB Output is correct
13 Correct 68 ms 135508 KB Output is correct
14 Correct 66 ms 135504 KB Output is correct
15 Correct 75 ms 135508 KB Output is correct
16 Correct 64 ms 135504 KB Output is correct
17 Correct 65 ms 135504 KB Output is correct
18 Correct 70 ms 135460 KB Output is correct
19 Correct 82 ms 135512 KB Output is correct
20 Correct 70 ms 135924 KB Output is correct
21 Correct 70 ms 136016 KB Output is correct
22 Correct 88 ms 139388 KB Output is correct
23 Correct 100 ms 139480 KB Output is correct
24 Correct 87 ms 139348 KB Output is correct
25 Incorrect 103 ms 139120 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 135640 KB Output is correct
2 Correct 63 ms 135508 KB Output is correct
3 Correct 71 ms 135508 KB Output is correct
4 Correct 64 ms 135508 KB Output is correct
5 Incorrect 119 ms 137040 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 135504 KB Output is correct
2 Correct 70 ms 135504 KB Output is correct
3 Correct 72 ms 135624 KB Output is correct
4 Correct 64 ms 135552 KB Output is correct
5 Correct 65 ms 135660 KB Output is correct
6 Correct 64 ms 135504 KB Output is correct
7 Correct 69 ms 135628 KB Output is correct
8 Correct 73 ms 135504 KB Output is correct
9 Correct 62 ms 135664 KB Output is correct
10 Correct 63 ms 135504 KB Output is correct
11 Correct 76 ms 135508 KB Output is correct
12 Correct 64 ms 135508 KB Output is correct
13 Correct 64 ms 135496 KB Output is correct
14 Correct 64 ms 135444 KB Output is correct
15 Correct 65 ms 135508 KB Output is correct
16 Correct 72 ms 135476 KB Output is correct
17 Correct 74 ms 135508 KB Output is correct
18 Correct 64 ms 135504 KB Output is correct
19 Correct 65 ms 135504 KB Output is correct
20 Correct 67 ms 135512 KB Output is correct
21 Correct 64 ms 135512 KB Output is correct
22 Correct 62 ms 135504 KB Output is correct
23 Correct 67 ms 135508 KB Output is correct
24 Correct 63 ms 135496 KB Output is correct
25 Correct 71 ms 135448 KB Output is correct
26 Correct 67 ms 135716 KB Output is correct
27 Correct 67 ms 135508 KB Output is correct
28 Correct 66 ms 135508 KB Output is correct
29 Correct 79 ms 135512 KB Output is correct
30 Correct 63 ms 135508 KB Output is correct
31 Correct 68 ms 135764 KB Output is correct
32 Correct 64 ms 135444 KB Output is correct
33 Correct 66 ms 135516 KB Output is correct
34 Correct 69 ms 135764 KB Output is correct
35 Correct 63 ms 135504 KB Output is correct
36 Correct 70 ms 135760 KB Output is correct
37 Correct 65 ms 135508 KB Output is correct
38 Correct 64 ms 135480 KB Output is correct
39 Correct 64 ms 135584 KB Output is correct
40 Correct 65 ms 135608 KB Output is correct
41 Correct 63 ms 135504 KB Output is correct
42 Correct 63 ms 135508 KB Output is correct
43 Correct 64 ms 135524 KB Output is correct
44 Correct 73 ms 135504 KB Output is correct
45 Correct 66 ms 135508 KB Output is correct
46 Correct 64 ms 135504 KB Output is correct
47 Correct 66 ms 135668 KB Output is correct
48 Correct 66 ms 135504 KB Output is correct
49 Correct 72 ms 135512 KB Output is correct
50 Correct 68 ms 135504 KB Output is correct
51 Correct 74 ms 135508 KB Output is correct
52 Correct 66 ms 135508 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 135504 KB Output is correct
2 Correct 70 ms 135504 KB Output is correct
3 Correct 72 ms 135624 KB Output is correct
4 Correct 64 ms 135552 KB Output is correct
5 Correct 65 ms 135660 KB Output is correct
6 Correct 64 ms 135504 KB Output is correct
7 Correct 69 ms 135628 KB Output is correct
8 Correct 73 ms 135504 KB Output is correct
9 Correct 62 ms 135664 KB Output is correct
10 Correct 63 ms 135504 KB Output is correct
11 Correct 76 ms 135508 KB Output is correct
12 Correct 64 ms 135508 KB Output is correct
13 Correct 64 ms 135496 KB Output is correct
14 Correct 64 ms 135444 KB Output is correct
15 Correct 65 ms 135508 KB Output is correct
16 Correct 72 ms 135476 KB Output is correct
17 Correct 74 ms 135508 KB Output is correct
18 Correct 64 ms 135504 KB Output is correct
19 Correct 65 ms 135504 KB Output is correct
20 Correct 67 ms 135512 KB Output is correct
21 Correct 64 ms 135512 KB Output is correct
22 Correct 62 ms 135504 KB Output is correct
23 Correct 67 ms 135508 KB Output is correct
24 Correct 63 ms 135496 KB Output is correct
25 Correct 71 ms 135448 KB Output is correct
26 Correct 67 ms 135716 KB Output is correct
27 Correct 67 ms 135508 KB Output is correct
28 Correct 66 ms 135508 KB Output is correct
29 Correct 79 ms 135512 KB Output is correct
30 Correct 63 ms 135508 KB Output is correct
31 Correct 68 ms 135764 KB Output is correct
32 Correct 64 ms 135444 KB Output is correct
33 Correct 66 ms 135516 KB Output is correct
34 Correct 69 ms 135764 KB Output is correct
35 Correct 63 ms 135504 KB Output is correct
36 Correct 70 ms 135760 KB Output is correct
37 Correct 68 ms 135504 KB Output is correct
38 Correct 63 ms 135548 KB Output is correct
39 Correct 69 ms 135504 KB Output is correct
40 Correct 65 ms 135500 KB Output is correct
41 Correct 63 ms 135592 KB Output is correct
42 Correct 66 ms 135504 KB Output is correct
43 Correct 63 ms 135504 KB Output is correct
44 Correct 63 ms 135504 KB Output is correct
45 Correct 65 ms 135488 KB Output is correct
46 Correct 63 ms 135508 KB Output is correct
47 Correct 68 ms 135508 KB Output is correct
48 Correct 66 ms 135504 KB Output is correct
49 Correct 75 ms 135508 KB Output is correct
50 Correct 64 ms 135504 KB Output is correct
51 Correct 65 ms 135504 KB Output is correct
52 Correct 70 ms 135460 KB Output is correct
53 Correct 82 ms 135512 KB Output is correct
54 Correct 70 ms 135924 KB Output is correct
55 Correct 70 ms 136016 KB Output is correct
56 Correct 88 ms 139388 KB Output is correct
57 Correct 100 ms 139480 KB Output is correct
58 Correct 87 ms 139348 KB Output is correct
59 Incorrect 103 ms 139120 KB Output isn't correct
60 Halted 0 ms 0 KB -