oj.uz

Submission #965388

# Submission time Handle Problem Language Result Execution time Memory
965388 2024-04-18T12:24:51 Z akacool445k Arranging Shoes (IOI19_shoes) C++14
100 / 100
 172 ms 140300 KB 
#include <queue>
#include <iostream>
#include "shoes.h"

using namespace std;

int N;
int bit[200001];
int query(int i) {
	int res = 0;
	while (i > 0) {
		res += bit[i];
		i -= (i & -i);
	}
	return res;
}
void update(int i, int t) {
	while (i <= N) {
		bit[i] += t;
		i += (i & -i);
	}
}

long long count_swaps(vector<int> s) {
	long long n = s.size();
	long long ans = 0;
	N = n;
	queue<int> a[n / 2 + 1], b[n / 2 + 1];
	for (int i = 0; i < n; i++) {
		if (s[i] < 0) a[-s[i]].push(i);
		else b[s[i]].push(i);
		update(i + 1, 1);
	}

	vector<int> c(n, 1);
	for (int i = 0; i < n; i++) {
		if (c[i] == 0) continue;
		int x = s[i];
		int j = i;
		if (x < 0) {
			int y = -x;
			j = b[y].front();
			b[y].pop();
			a[y].pop();
		} else {
			j = a[x].front();
			a[x].pop();
			b[x].pop();
		}
		update(i + 1, -1);
		update(j + 1, -1);
		ans += query(j + 1);
		c[j] = 0;
		c[i] = 0;
		if (x > 0) ans++;
	}
	return ans;
}

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 360 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 360 KB Output is correct
3 Correct 0 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 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 1 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 360 KB Output is correct
3 Correct 0 ms 344 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 344 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 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 856 KB Output is correct
18 Correct 1 ms 1628 KB Output is correct
19 Correct 1 ms 1628 KB Output is correct
20 Correct 9 ms 14152 KB Output is correct
21 Correct 12 ms 14172 KB Output is correct
22 Correct 103 ms 138820 KB Output is correct
23 Correct 95 ms 138932 KB Output is correct
24 Correct 99 ms 139028 KB Output is correct
25 Correct 96 ms 139024 KB Output is correct
26 Correct 100 ms 140076 KB Output is correct
27 Correct 95 ms 139856 KB Output is correct
28 Correct 96 ms 140116 KB Output is correct
29 Correct 95 ms 140236 KB Output is correct
30 Correct 96 ms 140116 KB Output is correct
31 Correct 100 ms 140116 KB Output is correct
32 Correct 105 ms 140232 KB Output is correct
33 Correct 110 ms 139860 KB Output is correct
34 Correct 108 ms 140244 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 104 ms 140116 KB Output is correct
38 Correct 95 ms 140112 KB Output is correct
39 Correct 96 ms 140228 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 348 KB Output is correct
5 Correct 156 ms 138104 KB Output is correct
6 Correct 114 ms 139304 KB Output is correct
7 Correct 172 ms 139344 KB Output is correct
8 Correct 98 ms 140220 KB Output is correct
9 Correct 159 ms 139348 KB Output is correct
10 Correct 130 ms 139340 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 360 KB Output is correct
3 Correct 0 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 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 1 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 1 ms 1628 KB Output is correct
42 Correct 1 ms 1628 KB Output is correct
43 Correct 1 ms 1628 KB Output is correct
44 Correct 1 ms 1624 KB Output is correct
45 Correct 1 ms 1880 KB Output is correct
46 Correct 1 ms 1628 KB Output is correct
47 Correct 1 ms 1628 KB Output is correct
48 Correct 1 ms 1628 KB Output is correct
49 Correct 1 ms 1628 KB Output is correct
50 Correct 1 ms 1628 KB Output is correct
51 Correct 1 ms 1624 KB Output is correct
52 Correct 1 ms 1628 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 360 KB Output is correct
3 Correct 0 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 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 1 ms 348 KB Output is correct
37 Correct 0 ms 344 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 344 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 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 1 ms 856 KB Output is correct
52 Correct 1 ms 1628 KB Output is correct
53 Correct 1 ms 1628 KB Output is correct
54 Correct 9 ms 14152 KB Output is correct
55 Correct 12 ms 14172 KB Output is correct
56 Correct 103 ms 138820 KB Output is correct
57 Correct 95 ms 138932 KB Output is correct
58 Correct 99 ms 139028 KB Output is correct
59 Correct 96 ms 139024 KB Output is correct
60 Correct 100 ms 140076 KB Output is correct
61 Correct 95 ms 139856 KB Output is correct
62 Correct 96 ms 140116 KB Output is correct
63 Correct 95 ms 140236 KB Output is correct
64 Correct 96 ms 140116 KB Output is correct
65 Correct 100 ms 140116 KB Output is correct
66 Correct 105 ms 140232 KB Output is correct
67 Correct 110 ms 139860 KB Output is correct
68 Correct 108 ms 140244 KB Output is correct
69 Correct 1 ms 344 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 104 ms 140116 KB Output is correct
72 Correct 95 ms 140112 KB Output is correct
73 Correct 96 ms 140228 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 156 ms 138104 KB Output is correct
79 Correct 114 ms 139304 KB Output is correct
80 Correct 172 ms 139344 KB Output is correct
81 Correct 98 ms 140220 KB Output is correct
82 Correct 159 ms 139348 KB Output is correct
83 Correct 130 ms 139340 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 1 ms 1628 KB Output is correct
89 Correct 1 ms 1628 KB Output is correct
90 Correct 1 ms 1628 KB Output is correct
91 Correct 1 ms 1624 KB Output is correct
92 Correct 1 ms 1880 KB Output is correct
93 Correct 1 ms 1628 KB Output is correct
94 Correct 1 ms 1628 KB Output is correct
95 Correct 1 ms 1628 KB Output is correct
96 Correct 1 ms 1628 KB Output is correct
97 Correct 1 ms 1628 KB Output is correct
98 Correct 1 ms 1624 KB Output is correct
99 Correct 1 ms 1628 KB Output is correct
100 Correct 1 ms 1628 KB Output is correct
101 Correct 11 ms 14160 KB Output is correct
102 Correct 12 ms 14212 KB Output is correct
103 Correct 162 ms 139536 KB Output is correct
104 Correct 161 ms 139520 KB Output is correct
105 Correct 156 ms 139504 KB Output is correct
106 Correct 137 ms 139344 KB Output is correct
107 Correct 114 ms 139408 KB Output is correct
108 Correct 115 ms 139372 KB Output is correct
109 Correct 98 ms 140260 KB Output is correct
110 Correct 97 ms 140300 KB Output is correct
111 Correct 136 ms 139348 KB Output is correct
112 Correct 138 ms 139344 KB Output is correct
113 Correct 116 ms 139332 KB Output is correct
114 Correct 142 ms 139444 KB Output is correct
115 Correct 134 ms 139348 KB Output is correct