# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
227950 | 2020-04-29T10:30:52 Z | staniewzki | Arranging Shoes (IOI19_shoes) | C++17 | 170 ms | 14840 KB |
#include<bits/stdc++.h> using namespace std; #include "shoes.h" struct Fenwick { vector<int> tree; Fenwick(int n) : tree(n + 1) {} void update(int pos, int val) { for(pos++; pos < size(tree); pos += (pos & -pos)) tree[pos] += val; } int query(int pos) { int ret = 0; for(pos++; pos > 0; pos -= (pos & -pos)) ret += tree[pos]; return ret; } int query(int l, int r) { return query(r) - query(l - 1); } }; long long count_swaps(vector<int> s) { int m = size(s), n = m / 2; vector<vector<int>> pos(m + 1); for(int i = m - 1; i >= 0; i--) pos[n + s[i]].emplace_back(i); long long ans = 0; Fenwick tree(m); for(int i = 0; i < m; i++) { if(!tree.query(i, i)) { int j = pos[n - s[i]].back(); ans += j - (i + 1) - tree.query(i, j) + (s[i] > 0); tree.update(j, +1); pos[n - s[i]].pop_back(); pos[n + s[i]].pop_back(); } } return ans; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 256 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 256 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Correct | 4 ms | 256 KB | Output is correct |
4 | Correct | 5 ms | 256 KB | Output is correct |
5 | Correct | 5 ms | 256 KB | Output is correct |
6 | Correct | 5 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 256 KB | Output is correct |
8 | Correct | 4 ms | 256 KB | Output is correct |
9 | Correct | 5 ms | 256 KB | Output is correct |
10 | Correct | 4 ms | 256 KB | Output is correct |
11 | Correct | 5 ms | 384 KB | Output is correct |
12 | Correct | 4 ms | 256 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 4 ms | 256 KB | Output is correct |
15 | Correct | 4 ms | 256 KB | Output is correct |
16 | Correct | 5 ms | 256 KB | Output is correct |
17 | Correct | 5 ms | 256 KB | Output is correct |
18 | Correct | 4 ms | 256 KB | Output is correct |
19 | Correct | 6 ms | 256 KB | Output is correct |
20 | Correct | 4 ms | 256 KB | Output is correct |
21 | Correct | 5 ms | 256 KB | Output is correct |
22 | Correct | 4 ms | 256 KB | Output is correct |
23 | Correct | 5 ms | 256 KB | Output is correct |
24 | Correct | 5 ms | 384 KB | Output is correct |
25 | Correct | 5 ms | 256 KB | Output is correct |
26 | Correct | 4 ms | 256 KB | Output is correct |
27 | Correct | 4 ms | 256 KB | Output is correct |
28 | Correct | 5 ms | 256 KB | Output is correct |
29 | Correct | 5 ms | 256 KB | Output is correct |
30 | Correct | 5 ms | 256 KB | Output is correct |
31 | Correct | 5 ms | 256 KB | Output is correct |
32 | Correct | 5 ms | 256 KB | Output is correct |
33 | Correct | 5 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 | 5 ms | 256 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 256 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Correct | 5 ms | 256 KB | Output is correct |
4 | Correct | 4 ms | 256 KB | Output is correct |
5 | Correct | 5 ms | 256 KB | Output is correct |
6 | Correct | 5 ms | 256 KB | Output is correct |
7 | Correct | 5 ms | 256 KB | Output is correct |
8 | Correct | 4 ms | 256 KB | Output is correct |
9 | Correct | 4 ms | 256 KB | Output is correct |
10 | Correct | 5 ms | 256 KB | Output is correct |
11 | Correct | 5 ms | 256 KB | Output is correct |
12 | Correct | 4 ms | 256 KB | Output is correct |
13 | Correct | 4 ms | 256 KB | Output is correct |
14 | Correct | 4 ms | 384 KB | Output is correct |
15 | Correct | 5 ms | 256 KB | Output is correct |
16 | Correct | 4 ms | 256 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 | 1152 KB | Output is correct |
21 | Correct | 10 ms | 1280 KB | Output is correct |
22 | Correct | 51 ms | 9600 KB | Output is correct |
23 | Correct | 48 ms | 9580 KB | Output is correct |
24 | Correct | 51 ms | 9492 KB | Output is correct |
25 | Correct | 48 ms | 9328 KB | Output is correct |
26 | Correct | 51 ms | 9580 KB | Output is correct |
27 | Correct | 47 ms | 9452 KB | Output is correct |
28 | Correct | 48 ms | 9584 KB | Output is correct |
29 | Correct | 49 ms | 9712 KB | Output is correct |
30 | Correct | 50 ms | 9584 KB | Output is correct |
31 | Correct | 52 ms | 9604 KB | Output is correct |
32 | Correct | 51 ms | 9584 KB | Output is correct |
33 | Correct | 48 ms | 9328 KB | Output is correct |
34 | Correct | 49 ms | 9584 KB | Output is correct |
35 | Correct | 5 ms | 256 KB | Output is correct |
36 | Correct | 5 ms | 256 KB | Output is correct |
37 | Correct | 49 ms | 9584 KB | Output is correct |
38 | Correct | 49 ms | 9456 KB | Output is correct |
39 | Correct | 49 ms | 9584 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 256 KB | Output is correct |
2 | Correct | 4 ms | 256 KB | Output is correct |
3 | Correct | 5 ms | 256 KB | Output is correct |
4 | Correct | 5 ms | 128 KB | Output is correct |
5 | Correct | 112 ms | 14840 KB | Output is correct |
6 | Correct | 67 ms | 10108 KB | Output is correct |
7 | Correct | 85 ms | 14840 KB | Output is correct |
8 | Correct | 50 ms | 9524 KB | Output is correct |
9 | Correct | 87 ms | 14836 KB | Output is correct |
10 | Correct | 86 ms | 11768 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 256 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Correct | 4 ms | 256 KB | Output is correct |
4 | Correct | 5 ms | 256 KB | Output is correct |
5 | Correct | 5 ms | 256 KB | Output is correct |
6 | Correct | 5 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 256 KB | Output is correct |
8 | Correct | 4 ms | 256 KB | Output is correct |
9 | Correct | 5 ms | 256 KB | Output is correct |
10 | Correct | 4 ms | 256 KB | Output is correct |
11 | Correct | 5 ms | 384 KB | Output is correct |
12 | Correct | 4 ms | 256 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 4 ms | 256 KB | Output is correct |
15 | Correct | 4 ms | 256 KB | Output is correct |
16 | Correct | 5 ms | 256 KB | Output is correct |
17 | Correct | 5 ms | 256 KB | Output is correct |
18 | Correct | 4 ms | 256 KB | Output is correct |
19 | Correct | 6 ms | 256 KB | Output is correct |
20 | Correct | 4 ms | 256 KB | Output is correct |
21 | Correct | 5 ms | 256 KB | Output is correct |
22 | Correct | 4 ms | 256 KB | Output is correct |
23 | Correct | 5 ms | 256 KB | Output is correct |
24 | Correct | 5 ms | 384 KB | Output is correct |
25 | Correct | 5 ms | 256 KB | Output is correct |
26 | Correct | 4 ms | 256 KB | Output is correct |
27 | Correct | 4 ms | 256 KB | Output is correct |
28 | Correct | 5 ms | 256 KB | Output is correct |
29 | Correct | 5 ms | 256 KB | Output is correct |
30 | Correct | 5 ms | 256 KB | Output is correct |
31 | Correct | 5 ms | 256 KB | Output is correct |
32 | Correct | 5 ms | 256 KB | Output is correct |
33 | Correct | 5 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 | 5 ms | 256 KB | Output is correct |
37 | Correct | 5 ms | 256 KB | Output is correct |
38 | Correct | 5 ms | 256 KB | Output is correct |
39 | Correct | 5 ms | 384 KB | Output is correct |
40 | Correct | 5 ms | 384 KB | Output is correct |
41 | Correct | 5 ms | 512 KB | Output is correct |
42 | Correct | 5 ms | 384 KB | Output is correct |
43 | Correct | 5 ms | 384 KB | Output is correct |
44 | Correct | 5 ms | 512 KB | Output is correct |
45 | Correct | 5 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 | 5 ms | 384 KB | Output is correct |
49 | Correct | 5 ms | 384 KB | Output is correct |
50 | Correct | 5 ms | 384 KB | Output is correct |
51 | Correct | 5 ms | 384 KB | Output is correct |
52 | Correct | 5 ms | 384 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 256 KB | Output is correct |
2 | Correct | 5 ms | 256 KB | Output is correct |
3 | Correct | 4 ms | 256 KB | Output is correct |
4 | Correct | 5 ms | 256 KB | Output is correct |
5 | Correct | 5 ms | 256 KB | Output is correct |
6 | Correct | 5 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 256 KB | Output is correct |
8 | Correct | 4 ms | 256 KB | Output is correct |
9 | Correct | 5 ms | 256 KB | Output is correct |
10 | Correct | 4 ms | 256 KB | Output is correct |
11 | Correct | 5 ms | 384 KB | Output is correct |
12 | Correct | 4 ms | 256 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 4 ms | 256 KB | Output is correct |
15 | Correct | 4 ms | 256 KB | Output is correct |
16 | Correct | 5 ms | 256 KB | Output is correct |
17 | Correct | 5 ms | 256 KB | Output is correct |
18 | Correct | 4 ms | 256 KB | Output is correct |
19 | Correct | 6 ms | 256 KB | Output is correct |
20 | Correct | 4 ms | 256 KB | Output is correct |
21 | Correct | 5 ms | 256 KB | Output is correct |
22 | Correct | 4 ms | 256 KB | Output is correct |
23 | Correct | 5 ms | 256 KB | Output is correct |
24 | Correct | 5 ms | 384 KB | Output is correct |
25 | Correct | 5 ms | 256 KB | Output is correct |
26 | Correct | 4 ms | 256 KB | Output is correct |
27 | Correct | 4 ms | 256 KB | Output is correct |
28 | Correct | 5 ms | 256 KB | Output is correct |
29 | Correct | 5 ms | 256 KB | Output is correct |
30 | Correct | 5 ms | 256 KB | Output is correct |
31 | Correct | 5 ms | 256 KB | Output is correct |
32 | Correct | 5 ms | 256 KB | Output is correct |
33 | Correct | 5 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 | 5 ms | 256 KB | Output is correct |
37 | Correct | 5 ms | 256 KB | Output is correct |
38 | Correct | 4 ms | 256 KB | Output is correct |
39 | Correct | 5 ms | 256 KB | Output is correct |
40 | Correct | 5 ms | 256 KB | Output is correct |
41 | Correct | 5 ms | 256 KB | Output is correct |
42 | Correct | 4 ms | 256 KB | Output is correct |
43 | Correct | 4 ms | 256 KB | Output is correct |
44 | Correct | 5 ms | 256 KB | Output is correct |
45 | Correct | 5 ms | 256 KB | Output is correct |
46 | Correct | 4 ms | 256 KB | Output is correct |
47 | Correct | 4 ms | 256 KB | Output is correct |
48 | Correct | 4 ms | 384 KB | Output is correct |
49 | Correct | 5 ms | 256 KB | Output is correct |
50 | Correct | 4 ms | 256 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 | 1152 KB | Output is correct |
55 | Correct | 10 ms | 1280 KB | Output is correct |
56 | Correct | 51 ms | 9600 KB | Output is correct |
57 | Correct | 48 ms | 9580 KB | Output is correct |
58 | Correct | 51 ms | 9492 KB | Output is correct |
59 | Correct | 48 ms | 9328 KB | Output is correct |
60 | Correct | 51 ms | 9580 KB | Output is correct |
61 | Correct | 47 ms | 9452 KB | Output is correct |
62 | Correct | 48 ms | 9584 KB | Output is correct |
63 | Correct | 49 ms | 9712 KB | Output is correct |
64 | Correct | 50 ms | 9584 KB | Output is correct |
65 | Correct | 52 ms | 9604 KB | Output is correct |
66 | Correct | 51 ms | 9584 KB | Output is correct |
67 | Correct | 48 ms | 9328 KB | Output is correct |
68 | Correct | 49 ms | 9584 KB | Output is correct |
69 | Correct | 5 ms | 256 KB | Output is correct |
70 | Correct | 5 ms | 256 KB | Output is correct |
71 | Correct | 49 ms | 9584 KB | Output is correct |
72 | Correct | 49 ms | 9456 KB | Output is correct |
73 | Correct | 49 ms | 9584 KB | Output is correct |
74 | Correct | 5 ms | 256 KB | Output is correct |
75 | Correct | 4 ms | 256 KB | Output is correct |
76 | Correct | 5 ms | 256 KB | Output is correct |
77 | Correct | 5 ms | 128 KB | Output is correct |
78 | Correct | 112 ms | 14840 KB | Output is correct |
79 | Correct | 67 ms | 10108 KB | Output is correct |
80 | Correct | 85 ms | 14840 KB | Output is correct |
81 | Correct | 50 ms | 9524 KB | Output is correct |
82 | Correct | 87 ms | 14836 KB | Output is correct |
83 | Correct | 86 ms | 11768 KB | Output is correct |
84 | Correct | 5 ms | 256 KB | Output is correct |
85 | Correct | 5 ms | 256 KB | Output is correct |
86 | Correct | 5 ms | 384 KB | Output is correct |
87 | Correct | 5 ms | 384 KB | Output is correct |
88 | Correct | 5 ms | 512 KB | Output is correct |
89 | Correct | 5 ms | 384 KB | Output is correct |
90 | Correct | 5 ms | 384 KB | Output is correct |
91 | Correct | 5 ms | 512 KB | Output is correct |
92 | Correct | 5 ms | 384 KB | Output is correct |
93 | Correct | 5 ms | 384 KB | Output is correct |
94 | Correct | 5 ms | 384 KB | Output is correct |
95 | Correct | 5 ms | 384 KB | Output is correct |
96 | Correct | 5 ms | 384 KB | Output is correct |
97 | Correct | 5 ms | 384 KB | Output is correct |
98 | Correct | 5 ms | 384 KB | Output is correct |
99 | Correct | 5 ms | 384 KB | Output is correct |
100 | Correct | 5 ms | 512 KB | Output is correct |
101 | Correct | 11 ms | 1664 KB | Output is correct |
102 | Correct | 10 ms | 1280 KB | Output is correct |
103 | Correct | 170 ms | 14840 KB | Output is correct |
104 | Correct | 90 ms | 14840 KB | Output is correct |
105 | Correct | 106 ms | 12152 KB | Output is correct |
106 | Correct | 82 ms | 14840 KB | Output is correct |
107 | Correct | 84 ms | 10232 KB | Output is correct |
108 | Correct | 118 ms | 10616 KB | Output is correct |
109 | Correct | 49 ms | 9648 KB | Output is correct |
110 | Correct | 48 ms | 9580 KB | Output is correct |
111 | Correct | 89 ms | 14200 KB | Output is correct |
112 | Correct | 99 ms | 13688 KB | Output is correct |
113 | Correct | 73 ms | 10232 KB | Output is correct |
114 | Correct | 105 ms | 14840 KB | Output is correct |
115 | Correct | 111 ms | 14840 KB | Output is correct |