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Submission #217051

# Submission time Handle Problem Language Result Execution time Memory
217051 2020-03-28T18:37:07 Z thatprogrammer Arranging Shoes (IOI19_shoes) C++17
100 / 100
 154 ms 22780 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 100002;
int ft[2 * MAXN];
void update(int x, int v, int N) {
    while (x <= N) {
        ft[x] += v;
        x += (x & -x);
    }
}
int query(int x) { return x > 0 ? ft[x] + query(x - (x & -x)) : 0; }
// One indexed
long long count_swaps(vector<int> s) {
    set<int> nums[MAXN * 2];
    int n = s.size() / 2;
    for (int i = 0; i < 2 * n; i++) nums[s[i] + n].insert(i);
    ll ans = 0;
    for (int i = 0; i < 2 * n; i++) {
        int cur = *(nums[s[i] + n].begin());
        if (cur != i) continue;
        int j = *(nums[-s[i] + n].begin());
        nums[-s[i] + n].erase(nums[-s[i] + n].begin());
        nums[s[i] + n].erase(nums[s[i] + n].begin());
        int tot = query(2 * n + 1);
        // cout << j << " " << tot << endl;
        int newI = cur + tot - query(i + 1);
        int newJ = j + tot - query(j + 1);
        // cout << i << " " << newI << " " << newJ << endl;
        if (s[i] < 0)
            ans += newJ - newI - 1;
        else
            ans += newJ - newI;
        update(j + 1, 1, MAXN * 2);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 12 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 12 ms 9728 KB Output is correct
6 Correct 10 ms 9728 KB Output is correct
7 Correct 10 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 11 ms 9728 KB Output is correct
10 Correct 10 ms 9728 KB Output is correct
11 Correct 10 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 10 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 12 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 12 ms 9728 KB Output is correct
18 Correct 11 ms 9728 KB Output is correct
19 Correct 10 ms 9728 KB Output is correct
20 Correct 11 ms 9728 KB Output is correct
21 Correct 11 ms 9728 KB Output is correct
22 Correct 10 ms 9728 KB Output is correct
23 Correct 11 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 10 ms 9728 KB Output is correct
26 Correct 12 ms 9728 KB Output is correct
27 Correct 11 ms 9728 KB Output is correct
28 Correct 10 ms 9760 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 12 ms 9728 KB Output is correct
31 Correct 11 ms 9728 KB Output is correct
32 Correct 11 ms 9728 KB Output is correct
33 Correct 11 ms 9728 KB Output is correct
34 Correct 10 ms 9728 KB Output is correct
35 Correct 10 ms 9728 KB Output is correct
36 Correct 10 ms 9728 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 9 ms 9728 KB Output is correct
4 Correct 11 ms 9728 KB Output is correct
5 Correct 13 ms 9728 KB Output is correct
6 Correct 10 ms 9728 KB Output is correct
7 Correct 10 ms 9728 KB Output is correct
8 Correct 10 ms 9728 KB Output is correct
9 Correct 19 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 11 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 12 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 12 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 12 ms 9856 KB Output is correct
19 Correct 11 ms 9856 KB Output is correct
20 Correct 16 ms 11008 KB Output is correct
21 Correct 17 ms 11008 KB Output is correct
22 Correct 96 ms 22696 KB Output is correct
23 Correct 95 ms 22776 KB Output is correct
24 Correct 85 ms 22776 KB Output is correct
25 Correct 86 ms 22140 KB Output is correct
26 Correct 87 ms 22680 KB Output is correct
27 Correct 94 ms 22520 KB Output is correct
28 Correct 89 ms 22392 KB Output is correct
29 Correct 88 ms 22392 KB Output is correct
30 Correct 86 ms 22392 KB Output is correct
31 Correct 94 ms 22776 KB Output is correct
32 Correct 92 ms 22420 KB Output is correct
33 Correct 86 ms 22136 KB Output is correct
34 Correct 86 ms 22392 KB Output is correct
35 Correct 10 ms 9728 KB Output is correct
36 Correct 10 ms 9704 KB Output is correct
37 Correct 88 ms 22392 KB Output is correct
38 Correct 89 ms 22280 KB Output is correct
39 Correct 92 ms 22392 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 9 ms 9728 KB Output is correct
4 Correct 12 ms 9728 KB Output is correct
5 Correct 87 ms 22264 KB Output is correct
6 Correct 119 ms 22264 KB Output is correct
7 Correct 92 ms 22264 KB Output is correct
8 Correct 95 ms 22372 KB Output is correct
9 Correct 94 ms 22268 KB Output is correct
10 Correct 101 ms 22388 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 12 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 12 ms 9728 KB Output is correct
6 Correct 10 ms 9728 KB Output is correct
7 Correct 10 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 11 ms 9728 KB Output is correct
10 Correct 10 ms 9728 KB Output is correct
11 Correct 10 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 10 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 12 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 12 ms 9728 KB Output is correct
18 Correct 11 ms 9728 KB Output is correct
19 Correct 10 ms 9728 KB Output is correct
20 Correct 11 ms 9728 KB Output is correct
21 Correct 11 ms 9728 KB Output is correct
22 Correct 10 ms 9728 KB Output is correct
23 Correct 11 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 10 ms 9728 KB Output is correct
26 Correct 12 ms 9728 KB Output is correct
27 Correct 11 ms 9728 KB Output is correct
28 Correct 10 ms 9760 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 12 ms 9728 KB Output is correct
31 Correct 11 ms 9728 KB Output is correct
32 Correct 11 ms 9728 KB Output is correct
33 Correct 11 ms 9728 KB Output is correct
34 Correct 10 ms 9728 KB Output is correct
35 Correct 10 ms 9728 KB Output is correct
36 Correct 10 ms 9728 KB Output is correct
37 Correct 9 ms 9728 KB Output is correct
38 Correct 11 ms 9728 KB Output is correct
39 Correct 12 ms 9728 KB Output is correct
40 Correct 12 ms 9728 KB Output is correct
41 Correct 11 ms 9856 KB Output is correct
42 Correct 10 ms 9856 KB Output is correct
43 Correct 12 ms 9856 KB Output is correct
44 Correct 10 ms 9856 KB Output is correct
45 Correct 10 ms 9856 KB Output is correct
46 Correct 12 ms 9856 KB Output is correct
47 Correct 12 ms 9856 KB Output is correct
48 Correct 11 ms 9856 KB Output is correct
49 Correct 12 ms 9856 KB Output is correct
50 Correct 11 ms 9856 KB Output is correct
51 Correct 10 ms 9856 KB Output is correct
52 Correct 10 ms 9856 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 10 ms 9728 KB Output is correct
3 Correct 12 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 12 ms 9728 KB Output is correct
6 Correct 10 ms 9728 KB Output is correct
7 Correct 10 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 11 ms 9728 KB Output is correct
10 Correct 10 ms 9728 KB Output is correct
11 Correct 10 ms 9728 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 10 ms 9728 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 12 ms 9728 KB Output is correct
16 Correct 11 ms 9728 KB Output is correct
17 Correct 12 ms 9728 KB Output is correct
18 Correct 11 ms 9728 KB Output is correct
19 Correct 10 ms 9728 KB Output is correct
20 Correct 11 ms 9728 KB Output is correct
21 Correct 11 ms 9728 KB Output is correct
22 Correct 10 ms 9728 KB Output is correct
23 Correct 11 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 10 ms 9728 KB Output is correct
26 Correct 12 ms 9728 KB Output is correct
27 Correct 11 ms 9728 KB Output is correct
28 Correct 10 ms 9760 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 12 ms 9728 KB Output is correct
31 Correct 11 ms 9728 KB Output is correct
32 Correct 11 ms 9728 KB Output is correct
33 Correct 11 ms 9728 KB Output is correct
34 Correct 10 ms 9728 KB Output is correct
35 Correct 10 ms 9728 KB Output is correct
36 Correct 10 ms 9728 KB Output is correct
37 Correct 9 ms 9728 KB Output is correct
38 Correct 11 ms 9728 KB Output is correct
39 Correct 13 ms 9728 KB Output is correct
40 Correct 10 ms 9728 KB Output is correct
41 Correct 10 ms 9728 KB Output is correct
42 Correct 10 ms 9728 KB Output is correct
43 Correct 19 ms 9728 KB Output is correct
44 Correct 9 ms 9728 KB Output is correct
45 Correct 11 ms 9728 KB Output is correct
46 Correct 10 ms 9728 KB Output is correct
47 Correct 12 ms 9728 KB Output is correct
48 Correct 10 ms 9728 KB Output is correct
49 Correct 12 ms 9728 KB Output is correct
50 Correct 11 ms 9728 KB Output is correct
51 Correct 10 ms 9728 KB Output is correct
52 Correct 12 ms 9856 KB Output is correct
53 Correct 11 ms 9856 KB Output is correct
54 Correct 16 ms 11008 KB Output is correct
55 Correct 17 ms 11008 KB Output is correct
56 Correct 96 ms 22696 KB Output is correct
57 Correct 95 ms 22776 KB Output is correct
58 Correct 85 ms 22776 KB Output is correct
59 Correct 86 ms 22140 KB Output is correct
60 Correct 87 ms 22680 KB Output is correct
61 Correct 94 ms 22520 KB Output is correct
62 Correct 89 ms 22392 KB Output is correct
63 Correct 88 ms 22392 KB Output is correct
64 Correct 86 ms 22392 KB Output is correct
65 Correct 94 ms 22776 KB Output is correct
66 Correct 92 ms 22420 KB Output is correct
67 Correct 86 ms 22136 KB Output is correct
68 Correct 86 ms 22392 KB Output is correct
69 Correct 10 ms 9728 KB Output is correct
70 Correct 10 ms 9704 KB Output is correct
71 Correct 88 ms 22392 KB Output is correct
72 Correct 89 ms 22280 KB Output is correct
73 Correct 92 ms 22392 KB Output is correct
74 Correct 11 ms 9728 KB Output is correct
75 Correct 10 ms 9728 KB Output is correct
76 Correct 9 ms 9728 KB Output is correct
77 Correct 12 ms 9728 KB Output is correct
78 Correct 87 ms 22264 KB Output is correct
79 Correct 119 ms 22264 KB Output is correct
80 Correct 92 ms 22264 KB Output is correct
81 Correct 95 ms 22372 KB Output is correct
82 Correct 94 ms 22268 KB Output is correct
83 Correct 101 ms 22388 KB Output is correct
84 Correct 9 ms 9728 KB Output is correct
85 Correct 11 ms 9728 KB Output is correct
86 Correct 12 ms 9728 KB Output is correct
87 Correct 12 ms 9728 KB Output is correct
88 Correct 11 ms 9856 KB Output is correct
89 Correct 10 ms 9856 KB Output is correct
90 Correct 12 ms 9856 KB Output is correct
91 Correct 10 ms 9856 KB Output is correct
92 Correct 10 ms 9856 KB Output is correct
93 Correct 12 ms 9856 KB Output is correct
94 Correct 12 ms 9856 KB Output is correct
95 Correct 11 ms 9856 KB Output is correct
96 Correct 12 ms 9856 KB Output is correct
97 Correct 11 ms 9856 KB Output is correct
98 Correct 10 ms 9856 KB Output is correct
99 Correct 10 ms 9856 KB Output is correct
100 Correct 10 ms 9856 KB Output is correct
101 Correct 16 ms 11008 KB Output is correct
102 Correct 17 ms 11008 KB Output is correct
103 Correct 119 ms 22780 KB Output is correct
104 Correct 103 ms 22648 KB Output is correct
105 Correct 129 ms 22776 KB Output is correct
106 Correct 93 ms 22520 KB Output is correct
107 Correct 127 ms 22752 KB Output is correct
108 Correct 117 ms 22756 KB Output is correct
109 Correct 81 ms 22392 KB Output is correct
110 Correct 90 ms 22392 KB Output is correct
111 Correct 96 ms 22280 KB Output is correct
112 Correct 144 ms 22652 KB Output is correct
113 Correct 154 ms 22392 KB Output is correct
114 Correct 98 ms 22264 KB Output is correct
115 Correct 100 ms 22520 KB Output is correct