oj.uz

Submission #240870

# Submission time Handle Problem Language Result Execution time Memory
240870 2020-06-21T10:26:28 Z RayaBurong25_1 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 806 ms 147128 KB 
#include "shoes.h"
#include <map>
#include <vector>
#include <algorithm>
#include <queue>
#include <cassert>

int abs(int a)
{
	return (a < 0)?-a:a;
}

int ismoved[200005] = {0};
int query(int p)
{
	p++;
	int r = 0;
	for (; p > 0; p -= p&-p)
		r += ismoved[p];
	return r;
}
void update(int p)
{
	p++;
	for (; p < 200005; p += p&-p)
		ismoved[p]++;
}

long long count_swaps(std::vector<int> s) {
	int i, sz, norp;
	long long cnt = 0;
	std::map<int, std::queue<int> > pos[2];
	for (i = 0; i < s.size(); i++)
	{
		sz = abs(s[i]);
		norp = (s[i] > 0);
		if (pos[norp].find(sz) == pos[norp].end())
			pos[norp][sz] = std::queue<int>();
		pos[norp][sz].push(i);
	}
	std::vector<int> moved;
	int nxt;
	for (i = 0; i < s.size(); i++)
	{
		sz = abs(s[i]);
		norp = (s[i] > 0);
		if (i > 0 && query(i) - query(i-1))
			continue;
		// printf("%d ", sz);
		if (pos[!norp][sz].size() == 0)
			continue;
		nxt = pos[!norp][sz].front();
		// printf("%d ", pos[sz][nxt]);
		cnt += (nxt - i - 1) - (query(nxt) - query(i));
		// printf("%d ", (s[i] > 0));
		cnt += (s[i] > 0);
		update(nxt);
		pos[!norp][sz].pop();
		pos[norp][sz].pop();
		// printf("%lld\n", cnt);
	}
	return cnt;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:33:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~
shoes.cpp:43:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < s.size(); i++)
              ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 9 ms 768 KB Output is correct
21 Correct 9 ms 768 KB Output is correct
22 Correct 47 ms 3832 KB Output is correct
23 Correct 44 ms 3832 KB Output is correct
24 Correct 47 ms 3832 KB Output is correct
25 Correct 41 ms 3448 KB Output is correct
26 Correct 46 ms 3832 KB Output is correct
27 Correct 43 ms 3836 KB Output is correct
28 Correct 43 ms 3448 KB Output is correct
29 Correct 44 ms 3448 KB Output is correct
30 Correct 43 ms 3448 KB Output is correct
31 Correct 48 ms 3832 KB Output is correct
32 Correct 42 ms 3448 KB Output is correct
33 Correct 44 ms 3448 KB Output is correct
34 Correct 42 ms 3448 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 43 ms 3456 KB Output is correct
38 Correct 45 ms 3448 KB Output is correct
39 Correct 43 ms 3448 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 653 ms 146808 KB Output is correct
6 Correct 201 ms 15224 KB Output is correct
7 Correct 653 ms 146552 KB Output is correct
8 Correct 47 ms 3448 KB Output is correct
9 Correct 806 ms 146556 KB Output is correct
10 Correct 464 ms 74616 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 5 ms 640 KB Output is correct
41 Correct 7 ms 1792 KB Output is correct
42 Correct 7 ms 1792 KB Output is correct
43 Correct 7 ms 1664 KB Output is correct
44 Correct 7 ms 1408 KB Output is correct
45 Correct 7 ms 1280 KB Output is correct
46 Correct 7 ms 1152 KB Output is correct
47 Correct 6 ms 1024 KB Output is correct
48 Correct 6 ms 768 KB Output is correct
49 Correct 6 ms 640 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 7 ms 1792 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 4 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 4 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 4 ms 384 KB Output is correct
45 Correct 4 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 4 ms 384 KB Output is correct
49 Correct 4 ms 384 KB Output is correct
50 Correct 4 ms 384 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 9 ms 768 KB Output is correct
55 Correct 9 ms 768 KB Output is correct
56 Correct 47 ms 3832 KB Output is correct
57 Correct 44 ms 3832 KB Output is correct
58 Correct 47 ms 3832 KB Output is correct
59 Correct 41 ms 3448 KB Output is correct
60 Correct 46 ms 3832 KB Output is correct
61 Correct 43 ms 3836 KB Output is correct
62 Correct 43 ms 3448 KB Output is correct
63 Correct 44 ms 3448 KB Output is correct
64 Correct 43 ms 3448 KB Output is correct
65 Correct 48 ms 3832 KB Output is correct
66 Correct 42 ms 3448 KB Output is correct
67 Correct 44 ms 3448 KB Output is correct
68 Correct 42 ms 3448 KB Output is correct
69 Correct 5 ms 384 KB Output is correct
70 Correct 4 ms 384 KB Output is correct
71 Correct 43 ms 3456 KB Output is correct
72 Correct 45 ms 3448 KB Output is correct
73 Correct 43 ms 3448 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 4 ms 384 KB Output is correct
76 Correct 5 ms 384 KB Output is correct
77 Correct 5 ms 384 KB Output is correct
78 Correct 653 ms 146808 KB Output is correct
79 Correct 201 ms 15224 KB Output is correct
80 Correct 653 ms 146552 KB Output is correct
81 Correct 47 ms 3448 KB Output is correct
82 Correct 806 ms 146556 KB Output is correct
83 Correct 464 ms 74616 KB Output is correct
84 Correct 5 ms 384 KB Output is correct
85 Correct 5 ms 384 KB Output is correct
86 Correct 5 ms 512 KB Output is correct
87 Correct 5 ms 640 KB Output is correct
88 Correct 7 ms 1792 KB Output is correct
89 Correct 7 ms 1792 KB Output is correct
90 Correct 7 ms 1664 KB Output is correct
91 Correct 7 ms 1408 KB Output is correct
92 Correct 7 ms 1280 KB Output is correct
93 Correct 7 ms 1152 KB Output is correct
94 Correct 6 ms 1024 KB Output is correct
95 Correct 6 ms 768 KB Output is correct
96 Correct 6 ms 640 KB Output is correct
97 Correct 5 ms 384 KB Output is correct
98 Correct 5 ms 384 KB Output is correct
99 Correct 7 ms 1792 KB Output is correct
100 Correct 7 ms 1792 KB Output is correct
101 Correct 48 ms 13568 KB Output is correct
102 Correct 21 ms 3584 KB Output is correct
103 Correct 764 ms 147128 KB Output is correct
104 Correct 637 ms 147068 KB Output is correct
105 Correct 587 ms 84984 KB Output is correct
106 Correct 776 ms 146800 KB Output is correct
107 Correct 248 ms 19064 KB Output is correct
108 Correct 380 ms 35004 KB Output is correct
109 Correct 45 ms 3448 KB Output is correct
110 Correct 43 ms 3456 KB Output is correct
111 Correct 729 ms 130680 KB Output is correct
112 Correct 646 ms 114936 KB Output is correct
113 Correct 279 ms 20344 KB Output is correct
114 Correct 795 ms 146680 KB Output is correct
115 Correct 660 ms 146680 KB Output is correct