oj.uz

Submission #992021

# Submission time Handle Problem Language Result Execution time Memory
992021 2024-06-03T14:59:20 Z coolboy19521 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 446 ms 146924 KB 
#include <bits/stdc++.h>
#include "shoes.h"

using namespace std;

const int sz = 2e5 + 10;

int st[sz];
int n;

int query(int x) {
	int sm = 0;
	for (; 0 < x; x -= x & -x) sm += st[x];

	return sm;
}

void update(int x) {
	for (; x <= n; x += x & -x) {
		st[x] ++;
	}
}

long long count_swaps(std::vector<int> s) {
	map<int,queue<int>>cl;
	n = s.size();

	for (int i = 0; i < n; i ++) {
		cl[s[i]].push(i);
	}

	long long r = 0;

	for (int i = 0; i < n; i ++) {
		auto it = query(i + 1) - query(i);
		if (it != 0) continue;

		int ix = cl[-s[i]].front();
		int vs = i - query(i + 1);
		int ve = ix - query(ix + 1);

		r += (ve - vs);

		if (s[i] < 0) {
			r --;
		}

		cl[-s[i]].pop();
		cl[s[i]].pop();

		update(i + 1);
		update(ix + 1);
	}

	return r;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 3 ms 736 KB Output is correct
21 Correct 3 ms 604 KB Output is correct
22 Correct 24 ms 3544 KB Output is correct
23 Correct 20 ms 3420 KB Output is correct
24 Correct 28 ms 3420 KB Output is correct
25 Correct 21 ms 3580 KB Output is correct
26 Correct 35 ms 3408 KB Output is correct
27 Correct 24 ms 3416 KB Output is correct
28 Correct 22 ms 3416 KB Output is correct
29 Correct 22 ms 3420 KB Output is correct
30 Correct 21 ms 3416 KB Output is correct
31 Correct 26 ms 3612 KB Output is correct
32 Correct 23 ms 3420 KB Output is correct
33 Correct 21 ms 3420 KB Output is correct
34 Correct 23 ms 3592 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 20 ms 3544 KB Output is correct
38 Correct 21 ms 3416 KB Output is correct
39 Correct 21 ms 3612 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 375 ms 146644 KB Output is correct
6 Correct 103 ms 15184 KB Output is correct
7 Correct 399 ms 146664 KB Output is correct
8 Correct 32 ms 3412 KB Output is correct
9 Correct 390 ms 146772 KB Output is correct
10 Correct 244 ms 74576 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 1884 KB Output is correct
42 Correct 2 ms 1884 KB Output is correct
43 Correct 2 ms 1628 KB Output is correct
44 Correct 2 ms 1380 KB Output is correct
45 Correct 1 ms 1372 KB Output is correct
46 Correct 1 ms 1116 KB Output is correct
47 Correct 1 ms 860 KB Output is correct
48 Correct 1 ms 860 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 2 ms 1884 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 3 ms 736 KB Output is correct
55 Correct 3 ms 604 KB Output is correct
56 Correct 24 ms 3544 KB Output is correct
57 Correct 20 ms 3420 KB Output is correct
58 Correct 28 ms 3420 KB Output is correct
59 Correct 21 ms 3580 KB Output is correct
60 Correct 35 ms 3408 KB Output is correct
61 Correct 24 ms 3416 KB Output is correct
62 Correct 22 ms 3416 KB Output is correct
63 Correct 22 ms 3420 KB Output is correct
64 Correct 21 ms 3416 KB Output is correct
65 Correct 26 ms 3612 KB Output is correct
66 Correct 23 ms 3420 KB Output is correct
67 Correct 21 ms 3420 KB Output is correct
68 Correct 23 ms 3592 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 20 ms 3544 KB Output is correct
72 Correct 21 ms 3416 KB Output is correct
73 Correct 21 ms 3612 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 1 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 375 ms 146644 KB Output is correct
79 Correct 103 ms 15184 KB Output is correct
80 Correct 399 ms 146664 KB Output is correct
81 Correct 32 ms 3412 KB Output is correct
82 Correct 390 ms 146772 KB Output is correct
83 Correct 244 ms 74576 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 2 ms 1884 KB Output is correct
89 Correct 2 ms 1884 KB Output is correct
90 Correct 2 ms 1628 KB Output is correct
91 Correct 2 ms 1380 KB Output is correct
92 Correct 1 ms 1372 KB Output is correct
93 Correct 1 ms 1116 KB Output is correct
94 Correct 1 ms 860 KB Output is correct
95 Correct 1 ms 860 KB Output is correct
96 Correct 1 ms 604 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 2 ms 1884 KB Output is correct
100 Correct 2 ms 1880 KB Output is correct
101 Correct 21 ms 13628 KB Output is correct
102 Correct 9 ms 3460 KB Output is correct
103 Correct 446 ms 146924 KB Output is correct
104 Correct 374 ms 146768 KB Output is correct
105 Correct 305 ms 84320 KB Output is correct
106 Correct 377 ms 146756 KB Output is correct
107 Correct 123 ms 18648 KB Output is correct
108 Correct 160 ms 34644 KB Output is correct
109 Correct 23 ms 3412 KB Output is correct
110 Correct 22 ms 3532 KB Output is correct
111 Correct 348 ms 130640 KB Output is correct
112 Correct 342 ms 114772 KB Output is correct
113 Correct 123 ms 20304 KB Output is correct
114 Correct 385 ms 146768 KB Output is correct
115 Correct 377 ms 146896 KB Output is correct