oj.uz

Submission #764582

# Submission time Handle Problem Language Result Execution time Memory
764582 2023-06-23T16:01:32 Z zsombor Arranging Shoes (IOI19_shoes) C++17
100 / 100
 70 ms 72436 KB 
#include <iostream>
#include <vector>
#include <queue>
#include "shoes.h"
using namespace std;

int n, a, b;
long long ans = 0;
vector <queue <int>> v(1e5 + 1);
vector <int> p(2e5, -1);
vector <int> fen(2e5, 0);

void update(int r) {
	for (int i = r; i >= 0; i = (i & (i + 1)) - 1) fen[i]++;
}

int query(int x) {
	int ret = 0;
	for (int i = x; i < 2 * n; i = (i | (i + 1))) ret += fen[i];
	return ret;
}

long long count_swaps(vector <int> S) {
	n = S.size() / 2;
	for (int i = 0; i < 2 * n; i++) {
		if (!v[abs(S[i])].size() || S[i] == S[v[abs(S[i])].front()]) {
			v[abs(S[i])].push(i);
			continue;
		}
		p[v[abs(S[i])].front()] = i;
		v[abs(S[i])].pop();
	}
	for (int i = 0; i < 2 * n; i++) {
		if (p[i] == -1) continue;
		a = i + query(i), b = p[i] + query(p[i]);
		ans += b - a - 1;
		if (S[i] > 0) ans++;
		update(p[i]);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 69068 KB Output is correct
2 Correct 31 ms 69084 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 69068 KB Output is correct
2 Correct 31 ms 69084 KB Output is correct
3 Correct 32 ms 69168 KB Output is correct
4 Correct 32 ms 69196 KB Output is correct
5 Correct 33 ms 69180 KB Output is correct
6 Correct 34 ms 69204 KB Output is correct
7 Correct 32 ms 69100 KB Output is correct
8 Correct 33 ms 69184 KB Output is correct
9 Correct 33 ms 69108 KB Output is correct
10 Correct 35 ms 69224 KB Output is correct
11 Correct 33 ms 69168 KB Output is correct
12 Correct 32 ms 69092 KB Output is correct
13 Correct 33 ms 69092 KB Output is correct
14 Correct 33 ms 69100 KB Output is correct
15 Correct 32 ms 69072 KB Output is correct
16 Correct 32 ms 69164 KB Output is correct
17 Correct 36 ms 69068 KB Output is correct
18 Correct 34 ms 69112 KB Output is correct
19 Correct 33 ms 69132 KB Output is correct
20 Correct 34 ms 69100 KB Output is correct
21 Correct 33 ms 69068 KB Output is correct
22 Correct 34 ms 69188 KB Output is correct
23 Correct 33 ms 69076 KB Output is correct
24 Correct 33 ms 69156 KB Output is correct
25 Correct 34 ms 69212 KB Output is correct
26 Correct 33 ms 69104 KB Output is correct
27 Correct 39 ms 69172 KB Output is correct
28 Correct 34 ms 69204 KB Output is correct
29 Correct 33 ms 69204 KB Output is correct
30 Correct 35 ms 69220 KB Output is correct
31 Correct 35 ms 69112 KB Output is correct
32 Correct 34 ms 69204 KB Output is correct
33 Correct 38 ms 69128 KB Output is correct
34 Correct 34 ms 69204 KB Output is correct
35 Correct 41 ms 69124 KB Output is correct
36 Correct 35 ms 69092 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 69068 KB Output is correct
2 Correct 31 ms 69084 KB Output is correct
3 Correct 33 ms 69136 KB Output is correct
4 Correct 39 ms 69300 KB Output is correct
5 Correct 34 ms 69128 KB Output is correct
6 Correct 33 ms 69108 KB Output is correct
7 Correct 34 ms 69188 KB Output is correct
8 Correct 33 ms 69160 KB Output is correct
9 Correct 34 ms 69144 KB Output is correct
10 Correct 33 ms 69172 KB Output is correct
11 Correct 34 ms 69180 KB Output is correct
12 Correct 37 ms 69172 KB Output is correct
13 Correct 34 ms 69144 KB Output is correct
14 Correct 33 ms 69084 KB Output is correct
15 Correct 34 ms 69128 KB Output is correct
16 Correct 33 ms 69072 KB Output is correct
17 Correct 36 ms 69076 KB Output is correct
18 Correct 34 ms 69204 KB Output is correct
19 Correct 34 ms 69192 KB Output is correct
20 Correct 37 ms 69324 KB Output is correct
21 Correct 35 ms 69452 KB Output is correct
22 Correct 55 ms 72004 KB Output is correct
23 Correct 51 ms 72012 KB Output is correct
24 Correct 55 ms 72008 KB Output is correct
25 Correct 51 ms 72228 KB Output is correct
26 Correct 70 ms 71996 KB Output is correct
27 Correct 50 ms 71740 KB Output is correct
28 Correct 54 ms 72392 KB Output is correct
29 Correct 53 ms 72384 KB Output is correct
30 Correct 55 ms 72388 KB Output is correct
31 Correct 55 ms 71976 KB Output is correct
32 Correct 53 ms 72388 KB Output is correct
33 Correct 51 ms 72240 KB Output is correct
34 Correct 53 ms 72408 KB Output is correct
35 Correct 34 ms 69192 KB Output is correct
36 Correct 34 ms 69156 KB Output is correct
37 Correct 53 ms 72364 KB Output is correct
38 Correct 52 ms 72388 KB Output is correct
39 Correct 54 ms 72436 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 69068 KB Output is correct
2 Correct 39 ms 69136 KB Output is correct
3 Correct 33 ms 69136 KB Output is correct
4 Correct 34 ms 69092 KB Output is correct
5 Correct 67 ms 70756 KB Output is correct
6 Correct 56 ms 70732 KB Output is correct
7 Correct 67 ms 71944 KB Output is correct
8 Correct 53 ms 72392 KB Output is correct
9 Correct 67 ms 72116 KB Output is correct
10 Correct 58 ms 71884 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 69068 KB Output is correct
2 Correct 31 ms 69084 KB Output is correct
3 Correct 32 ms 69168 KB Output is correct
4 Correct 32 ms 69196 KB Output is correct
5 Correct 33 ms 69180 KB Output is correct
6 Correct 34 ms 69204 KB Output is correct
7 Correct 32 ms 69100 KB Output is correct
8 Correct 33 ms 69184 KB Output is correct
9 Correct 33 ms 69108 KB Output is correct
10 Correct 35 ms 69224 KB Output is correct
11 Correct 33 ms 69168 KB Output is correct
12 Correct 32 ms 69092 KB Output is correct
13 Correct 33 ms 69092 KB Output is correct
14 Correct 33 ms 69100 KB Output is correct
15 Correct 32 ms 69072 KB Output is correct
16 Correct 32 ms 69164 KB Output is correct
17 Correct 36 ms 69068 KB Output is correct
18 Correct 34 ms 69112 KB Output is correct
19 Correct 33 ms 69132 KB Output is correct
20 Correct 34 ms 69100 KB Output is correct
21 Correct 33 ms 69068 KB Output is correct
22 Correct 34 ms 69188 KB Output is correct
23 Correct 33 ms 69076 KB Output is correct
24 Correct 33 ms 69156 KB Output is correct
25 Correct 34 ms 69212 KB Output is correct
26 Correct 33 ms 69104 KB Output is correct
27 Correct 39 ms 69172 KB Output is correct
28 Correct 34 ms 69204 KB Output is correct
29 Correct 33 ms 69204 KB Output is correct
30 Correct 35 ms 69220 KB Output is correct
31 Correct 35 ms 69112 KB Output is correct
32 Correct 34 ms 69204 KB Output is correct
33 Correct 38 ms 69128 KB Output is correct
34 Correct 34 ms 69204 KB Output is correct
35 Correct 41 ms 69124 KB Output is correct
36 Correct 35 ms 69092 KB Output is correct
37 Correct 33 ms 69108 KB Output is correct
38 Correct 33 ms 69204 KB Output is correct
39 Correct 34 ms 69080 KB Output is correct
40 Correct 33 ms 69164 KB Output is correct
41 Correct 34 ms 69144 KB Output is correct
42 Correct 34 ms 69104 KB Output is correct
43 Correct 34 ms 69128 KB Output is correct
44 Correct 34 ms 69120 KB Output is correct
45 Correct 33 ms 69212 KB Output is correct
46 Correct 33 ms 69204 KB Output is correct
47 Correct 34 ms 69128 KB Output is correct
48 Correct 33 ms 69204 KB Output is correct
49 Correct 34 ms 69112 KB Output is correct
50 Correct 34 ms 69216 KB Output is correct
51 Correct 34 ms 69128 KB Output is correct
52 Correct 33 ms 69148 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 69068 KB Output is correct
2 Correct 31 ms 69084 KB Output is correct
3 Correct 32 ms 69168 KB Output is correct
4 Correct 32 ms 69196 KB Output is correct
5 Correct 33 ms 69180 KB Output is correct
6 Correct 34 ms 69204 KB Output is correct
7 Correct 32 ms 69100 KB Output is correct
8 Correct 33 ms 69184 KB Output is correct
9 Correct 33 ms 69108 KB Output is correct
10 Correct 35 ms 69224 KB Output is correct
11 Correct 33 ms 69168 KB Output is correct
12 Correct 32 ms 69092 KB Output is correct
13 Correct 33 ms 69092 KB Output is correct
14 Correct 33 ms 69100 KB Output is correct
15 Correct 32 ms 69072 KB Output is correct
16 Correct 32 ms 69164 KB Output is correct
17 Correct 36 ms 69068 KB Output is correct
18 Correct 34 ms 69112 KB Output is correct
19 Correct 33 ms 69132 KB Output is correct
20 Correct 34 ms 69100 KB Output is correct
21 Correct 33 ms 69068 KB Output is correct
22 Correct 34 ms 69188 KB Output is correct
23 Correct 33 ms 69076 KB Output is correct
24 Correct 33 ms 69156 KB Output is correct
25 Correct 34 ms 69212 KB Output is correct
26 Correct 33 ms 69104 KB Output is correct
27 Correct 39 ms 69172 KB Output is correct
28 Correct 34 ms 69204 KB Output is correct
29 Correct 33 ms 69204 KB Output is correct
30 Correct 35 ms 69220 KB Output is correct
31 Correct 35 ms 69112 KB Output is correct
32 Correct 34 ms 69204 KB Output is correct
33 Correct 38 ms 69128 KB Output is correct
34 Correct 34 ms 69204 KB Output is correct
35 Correct 41 ms 69124 KB Output is correct
36 Correct 35 ms 69092 KB Output is correct
37 Correct 33 ms 69136 KB Output is correct
38 Correct 39 ms 69300 KB Output is correct
39 Correct 34 ms 69128 KB Output is correct
40 Correct 33 ms 69108 KB Output is correct
41 Correct 34 ms 69188 KB Output is correct
42 Correct 33 ms 69160 KB Output is correct
43 Correct 34 ms 69144 KB Output is correct
44 Correct 33 ms 69172 KB Output is correct
45 Correct 34 ms 69180 KB Output is correct
46 Correct 37 ms 69172 KB Output is correct
47 Correct 34 ms 69144 KB Output is correct
48 Correct 33 ms 69084 KB Output is correct
49 Correct 34 ms 69128 KB Output is correct
50 Correct 33 ms 69072 KB Output is correct
51 Correct 36 ms 69076 KB Output is correct
52 Correct 34 ms 69204 KB Output is correct
53 Correct 34 ms 69192 KB Output is correct
54 Correct 37 ms 69324 KB Output is correct
55 Correct 35 ms 69452 KB Output is correct
56 Correct 55 ms 72004 KB Output is correct
57 Correct 51 ms 72012 KB Output is correct
58 Correct 55 ms 72008 KB Output is correct
59 Correct 51 ms 72228 KB Output is correct
60 Correct 70 ms 71996 KB Output is correct
61 Correct 50 ms 71740 KB Output is correct
62 Correct 54 ms 72392 KB Output is correct
63 Correct 53 ms 72384 KB Output is correct
64 Correct 55 ms 72388 KB Output is correct
65 Correct 55 ms 71976 KB Output is correct
66 Correct 53 ms 72388 KB Output is correct
67 Correct 51 ms 72240 KB Output is correct
68 Correct 53 ms 72408 KB Output is correct
69 Correct 34 ms 69192 KB Output is correct
70 Correct 34 ms 69156 KB Output is correct
71 Correct 53 ms 72364 KB Output is correct
72 Correct 52 ms 72388 KB Output is correct
73 Correct 54 ms 72436 KB Output is correct
74 Correct 33 ms 69068 KB Output is correct
75 Correct 39 ms 69136 KB Output is correct
76 Correct 33 ms 69136 KB Output is correct
77 Correct 34 ms 69092 KB Output is correct
78 Correct 67 ms 70756 KB Output is correct
79 Correct 56 ms 70732 KB Output is correct
80 Correct 67 ms 71944 KB Output is correct
81 Correct 53 ms 72392 KB Output is correct
82 Correct 67 ms 72116 KB Output is correct
83 Correct 58 ms 71884 KB Output is correct
84 Correct 33 ms 69108 KB Output is correct
85 Correct 33 ms 69204 KB Output is correct
86 Correct 34 ms 69080 KB Output is correct
87 Correct 33 ms 69164 KB Output is correct
88 Correct 34 ms 69144 KB Output is correct
89 Correct 34 ms 69104 KB Output is correct
90 Correct 34 ms 69128 KB Output is correct
91 Correct 34 ms 69120 KB Output is correct
92 Correct 33 ms 69212 KB Output is correct
93 Correct 33 ms 69204 KB Output is correct
94 Correct 34 ms 69128 KB Output is correct
95 Correct 33 ms 69204 KB Output is correct
96 Correct 34 ms 69112 KB Output is correct
97 Correct 34 ms 69216 KB Output is correct
98 Correct 34 ms 69128 KB Output is correct
99 Correct 33 ms 69148 KB Output is correct
100 Correct 35 ms 69204 KB Output is correct
101 Correct 36 ms 69440 KB Output is correct
102 Correct 36 ms 69400 KB Output is correct
103 Correct 67 ms 71988 KB Output is correct
104 Correct 65 ms 71908 KB Output is correct
105 Correct 62 ms 71932 KB Output is correct
106 Correct 64 ms 71896 KB Output is correct
107 Correct 61 ms 72000 KB Output is correct
108 Correct 58 ms 71884 KB Output is correct
109 Correct 54 ms 72384 KB Output is correct
110 Correct 52 ms 72388 KB Output is correct
111 Correct 64 ms 71976 KB Output is correct
112 Correct 66 ms 71940 KB Output is correct
113 Correct 61 ms 72208 KB Output is correct
114 Correct 63 ms 72020 KB Output is correct
115 Correct 65 ms 71912 KB Output is correct