oj.uz

Submission #794564

# Submission time Handle Problem Language Result Execution time Memory
794564 2023-07-26T15:47:47 Z Pablo_No Arranging Shoes (IOI19_shoes) C++17
100 / 100
 88 ms 17992 KB 
#include "shoes.h"

#include <iostream>
#include <set>

using namespace std;

const int N = 1e5+5;

set<int> p[2*N];

int ft[2*N];

void add(int p, int v)
{
	while(p < 2*N)
	{
		ft[p] += v;

		p += (p & (-p));
	}
}

int rsq(int p)
{
	int ans = 0;
	while(p)
	{
		ans += ft[p];

		p -= (p & (-p));
	}
	return ans;
}

long long count_swaps(std::vector<int> s) {
	long long ans = 0;

	for(int i = 0; i < s.size(); i++)
	{
		int ai = s[i];
		if(!p[-ai+N].empty())
		{
			int fp = *p[-ai+N].begin();

			//cerr << rsq(fp+1) << '\n';

			ans += (i-fp)-(ai > 0)-rsq(fp+1);
			
			add(fp+2, 1);
			add(i+1, -1);

			p[-ai+N].erase(fp);
		}
		else
		{
			p[ai+N].insert(i);
		}
	}

	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for(int i = 0; i < s.size(); i++)
      |                 ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 4 ms 9700 KB Output is correct
4 Correct 5 ms 9700 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9700 KB Output is correct
7 Correct 4 ms 9684 KB Output is correct
8 Correct 4 ms 9684 KB Output is correct
9 Correct 4 ms 9684 KB Output is correct
10 Correct 5 ms 9704 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9704 KB Output is correct
15 Correct 6 ms 9696 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 4 ms 9684 KB Output is correct
18 Correct 6 ms 9684 KB Output is correct
19 Correct 4 ms 9700 KB Output is correct
20 Correct 4 ms 9684 KB Output is correct
21 Correct 4 ms 9684 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9696 KB Output is correct
25 Correct 4 ms 9700 KB Output is correct
26 Correct 5 ms 9668 KB Output is correct
27 Correct 5 ms 9696 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 6 ms 9636 KB Output is correct
31 Correct 4 ms 9704 KB Output is correct
32 Correct 4 ms 9684 KB Output is correct
33 Correct 6 ms 9696 KB Output is correct
34 Correct 5 ms 9664 KB Output is correct
35 Correct 4 ms 9700 KB Output is correct
36 Correct 4 ms 9696 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 7 ms 9684 KB Output is correct
4 Correct 6 ms 9700 KB Output is correct
5 Correct 7 ms 9696 KB Output is correct
6 Correct 4 ms 9684 KB Output is correct
7 Correct 5 ms 9700 KB Output is correct
8 Correct 7 ms 9684 KB Output is correct
9 Correct 4 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9700 KB Output is correct
14 Correct 4 ms 9684 KB Output is correct
15 Correct 5 ms 9696 KB Output is correct
16 Correct 7 ms 9684 KB Output is correct
17 Correct 7 ms 9696 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 4 ms 9704 KB Output is correct
20 Correct 8 ms 9972 KB Output is correct
21 Correct 8 ms 9968 KB Output is correct
22 Correct 35 ms 13272 KB Output is correct
23 Correct 25 ms 13280 KB Output is correct
24 Correct 33 ms 13260 KB Output is correct
25 Correct 40 ms 17708 KB Output is correct
26 Correct 34 ms 13280 KB Output is correct
27 Correct 25 ms 13044 KB Output is correct
28 Correct 42 ms 17888 KB Output is correct
29 Correct 42 ms 17924 KB Output is correct
30 Correct 41 ms 17940 KB Output is correct
31 Correct 35 ms 13292 KB Output is correct
32 Correct 43 ms 17888 KB Output is correct
33 Correct 41 ms 17760 KB Output is correct
34 Correct 41 ms 17992 KB Output is correct
35 Correct 4 ms 9684 KB Output is correct
36 Correct 4 ms 9684 KB Output is correct
37 Correct 56 ms 17892 KB Output is correct
38 Correct 43 ms 17900 KB Output is correct
39 Correct 45 ms 17980 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9700 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9700 KB Output is correct
4 Correct 4 ms 9700 KB Output is correct
5 Correct 61 ms 17896 KB Output is correct
6 Correct 44 ms 17900 KB Output is correct
7 Correct 53 ms 17932 KB Output is correct
8 Correct 56 ms 17884 KB Output is correct
9 Correct 41 ms 17904 KB Output is correct
10 Correct 88 ms 17964 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 4 ms 9700 KB Output is correct
4 Correct 5 ms 9700 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9700 KB Output is correct
7 Correct 4 ms 9684 KB Output is correct
8 Correct 4 ms 9684 KB Output is correct
9 Correct 4 ms 9684 KB Output is correct
10 Correct 5 ms 9704 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9704 KB Output is correct
15 Correct 6 ms 9696 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 4 ms 9684 KB Output is correct
18 Correct 6 ms 9684 KB Output is correct
19 Correct 4 ms 9700 KB Output is correct
20 Correct 4 ms 9684 KB Output is correct
21 Correct 4 ms 9684 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9696 KB Output is correct
25 Correct 4 ms 9700 KB Output is correct
26 Correct 5 ms 9668 KB Output is correct
27 Correct 5 ms 9696 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 6 ms 9636 KB Output is correct
31 Correct 4 ms 9704 KB Output is correct
32 Correct 4 ms 9684 KB Output is correct
33 Correct 6 ms 9696 KB Output is correct
34 Correct 5 ms 9664 KB Output is correct
35 Correct 4 ms 9700 KB Output is correct
36 Correct 4 ms 9696 KB Output is correct
37 Correct 4 ms 9684 KB Output is correct
38 Correct 4 ms 9684 KB Output is correct
39 Correct 5 ms 9700 KB Output is correct
40 Correct 4 ms 9684 KB Output is correct
41 Correct 5 ms 9684 KB Output is correct
42 Correct 4 ms 9708 KB Output is correct
43 Correct 4 ms 9684 KB Output is correct
44 Correct 4 ms 9684 KB Output is correct
45 Correct 4 ms 9684 KB Output is correct
46 Correct 6 ms 9704 KB Output is correct
47 Correct 4 ms 9684 KB Output is correct
48 Correct 4 ms 9684 KB Output is correct
49 Correct 6 ms 9684 KB Output is correct
50 Correct 4 ms 9684 KB Output is correct
51 Correct 7 ms 9704 KB Output is correct
52 Correct 6 ms 9712 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 4 ms 9684 KB Output is correct
3 Correct 4 ms 9700 KB Output is correct
4 Correct 5 ms 9700 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9700 KB Output is correct
7 Correct 4 ms 9684 KB Output is correct
8 Correct 4 ms 9684 KB Output is correct
9 Correct 4 ms 9684 KB Output is correct
10 Correct 5 ms 9704 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 5 ms 9704 KB Output is correct
15 Correct 6 ms 9696 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 4 ms 9684 KB Output is correct
18 Correct 6 ms 9684 KB Output is correct
19 Correct 4 ms 9700 KB Output is correct
20 Correct 4 ms 9684 KB Output is correct
21 Correct 4 ms 9684 KB Output is correct
22 Correct 4 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9696 KB Output is correct
25 Correct 4 ms 9700 KB Output is correct
26 Correct 5 ms 9668 KB Output is correct
27 Correct 5 ms 9696 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 6 ms 9636 KB Output is correct
31 Correct 4 ms 9704 KB Output is correct
32 Correct 4 ms 9684 KB Output is correct
33 Correct 6 ms 9696 KB Output is correct
34 Correct 5 ms 9664 KB Output is correct
35 Correct 4 ms 9700 KB Output is correct
36 Correct 4 ms 9696 KB Output is correct
37 Correct 7 ms 9684 KB Output is correct
38 Correct 6 ms 9700 KB Output is correct
39 Correct 7 ms 9696 KB Output is correct
40 Correct 4 ms 9684 KB Output is correct
41 Correct 5 ms 9700 KB Output is correct
42 Correct 7 ms 9684 KB Output is correct
43 Correct 4 ms 9684 KB Output is correct
44 Correct 5 ms 9684 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9700 KB Output is correct
48 Correct 4 ms 9684 KB Output is correct
49 Correct 5 ms 9696 KB Output is correct
50 Correct 7 ms 9684 KB Output is correct
51 Correct 7 ms 9696 KB Output is correct
52 Correct 5 ms 9684 KB Output is correct
53 Correct 4 ms 9704 KB Output is correct
54 Correct 8 ms 9972 KB Output is correct
55 Correct 8 ms 9968 KB Output is correct
56 Correct 35 ms 13272 KB Output is correct
57 Correct 25 ms 13280 KB Output is correct
58 Correct 33 ms 13260 KB Output is correct
59 Correct 40 ms 17708 KB Output is correct
60 Correct 34 ms 13280 KB Output is correct
61 Correct 25 ms 13044 KB Output is correct
62 Correct 42 ms 17888 KB Output is correct
63 Correct 42 ms 17924 KB Output is correct
64 Correct 41 ms 17940 KB Output is correct
65 Correct 35 ms 13292 KB Output is correct
66 Correct 43 ms 17888 KB Output is correct
67 Correct 41 ms 17760 KB Output is correct
68 Correct 41 ms 17992 KB Output is correct
69 Correct 4 ms 9684 KB Output is correct
70 Correct 4 ms 9684 KB Output is correct
71 Correct 56 ms 17892 KB Output is correct
72 Correct 43 ms 17900 KB Output is correct
73 Correct 45 ms 17980 KB Output is correct
74 Correct 4 ms 9700 KB Output is correct
75 Correct 5 ms 9684 KB Output is correct
76 Correct 5 ms 9700 KB Output is correct
77 Correct 4 ms 9700 KB Output is correct
78 Correct 61 ms 17896 KB Output is correct
79 Correct 44 ms 17900 KB Output is correct
80 Correct 53 ms 17932 KB Output is correct
81 Correct 56 ms 17884 KB Output is correct
82 Correct 41 ms 17904 KB Output is correct
83 Correct 88 ms 17964 KB Output is correct
84 Correct 4 ms 9684 KB Output is correct
85 Correct 4 ms 9684 KB Output is correct
86 Correct 5 ms 9700 KB Output is correct
87 Correct 4 ms 9684 KB Output is correct
88 Correct 5 ms 9684 KB Output is correct
89 Correct 4 ms 9708 KB Output is correct
90 Correct 4 ms 9684 KB Output is correct
91 Correct 4 ms 9684 KB Output is correct
92 Correct 4 ms 9684 KB Output is correct
93 Correct 6 ms 9704 KB Output is correct
94 Correct 4 ms 9684 KB Output is correct
95 Correct 4 ms 9684 KB Output is correct
96 Correct 6 ms 9684 KB Output is correct
97 Correct 4 ms 9684 KB Output is correct
98 Correct 7 ms 9704 KB Output is correct
99 Correct 6 ms 9712 KB Output is correct
100 Correct 4 ms 9724 KB Output is correct
101 Correct 7 ms 10248 KB Output is correct
102 Correct 7 ms 10092 KB Output is correct
103 Correct 77 ms 15592 KB Output is correct
104 Correct 31 ms 13280 KB Output is correct
105 Correct 35 ms 13224 KB Output is correct
106 Correct 34 ms 17896 KB Output is correct
107 Correct 32 ms 13292 KB Output is correct
108 Correct 33 ms 13164 KB Output is correct
109 Correct 43 ms 17972 KB Output is correct
110 Correct 49 ms 17892 KB Output is correct
111 Correct 54 ms 17880 KB Output is correct
112 Correct 67 ms 16896 KB Output is correct
113 Correct 62 ms 17852 KB Output is correct
114 Correct 37 ms 17868 KB Output is correct
115 Correct 41 ms 17968 KB Output is correct