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Submission #146148

# Submission time Handle Problem Language Result Execution time Memory
146148 2019-08-22T11:23:37 Z HellAngel Arranging Shoes (IOI19_shoes) C++14
100 / 100
 161 ms 20760 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int maxn = 2e5 + 7;
long long n, BIT[maxn];
bool d2[maxn];
vector<long long> q[2][maxn];
 
void Update(long long u, long long v)
{
    for(; u < maxn; u += u & -u) BIT[u]+= v;
}
 
long long Get(long long u)
{
    long long ans = 0;
    for(; u > 0; u -= u & -u) ans += BIT[u];
    return ans;
}
 
long long count_swaps(vector<int> vt)
{
    long long ans = 0;
    n = vt.size() / 2;
    for(long long i = 0; i < n * 2; i++)
    {
        if(vt[i] > 0)
        {
            q[1][vt[i]].push_back(i);
        }
        else q[0][-vt[i]].push_back(i);
        Update(i + 1, 1);
    }
    for(int i = 1; i <= n; i++) reverse(q[0][i].begin(), q[0][i].end()), reverse(q[1][i].begin(), q[1][i].end());
    int cnt = 1;
    for(int i = 0; i < n * 2; i++)
    {
        if(d2[i + 1]) continue;
        int gau = q[0][abs(vt[i])].back() + 1;
        int meo = q[1][abs(vt[i])].back() + 1;
        d2[gau] = d2[meo] = true;
        q[0][abs(vt[i])].pop_back();
        q[1][abs(vt[i])].pop_back();
        ans += Get(gau) - cnt++;
        Update(1, 1);
        Update(gau, -1);
        ans += Get(meo) - cnt++;
        Update(1, 1);
        Update(meo, -1);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9748 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9692 KB Output is correct
7 Correct 10 ms 9724 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 12 ms 9720 KB Output is correct
10 Correct 10 ms 9724 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9824 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9720 KB Output is correct
20 Correct 10 ms 9692 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9720 KB Output is correct
28 Correct 12 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9692 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9724 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9692 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9744 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9780 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9768 KB Output is correct
12 Correct 11 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9820 KB Output is correct
18 Correct 11 ms 9848 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 17 ms 10360 KB Output is correct
21 Correct 17 ms 10404 KB Output is correct
22 Correct 72 ms 14800 KB Output is correct
23 Correct 68 ms 14820 KB Output is correct
24 Correct 71 ms 14696 KB Output is correct
25 Correct 68 ms 14956 KB Output is correct
26 Correct 71 ms 14892 KB Output is correct
27 Correct 66 ms 14820 KB Output is correct
28 Correct 75 ms 14928 KB Output is correct
29 Correct 69 ms 14956 KB Output is correct
30 Correct 69 ms 14928 KB Output is correct
31 Correct 72 ms 14684 KB Output is correct
32 Correct 70 ms 14948 KB Output is correct
33 Correct 67 ms 14880 KB Output is correct
34 Correct 69 ms 14900 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9780 KB Output is correct
37 Correct 70 ms 14932 KB Output is correct
38 Correct 70 ms 14956 KB Output is correct
39 Correct 70 ms 14896 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9764 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 110 ms 19340 KB Output is correct
6 Correct 95 ms 15664 KB Output is correct
7 Correct 104 ms 19280 KB Output is correct
8 Correct 72 ms 15248 KB Output is correct
9 Correct 105 ms 19320 KB Output is correct
10 Correct 107 ms 16656 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9748 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9692 KB Output is correct
7 Correct 10 ms 9724 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 12 ms 9720 KB Output is correct
10 Correct 10 ms 9724 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9824 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9720 KB Output is correct
20 Correct 10 ms 9692 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9720 KB Output is correct
28 Correct 12 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9692 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9724 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9720 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 10 ms 9720 KB Output is correct
41 Correct 11 ms 9848 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 11 ms 9848 KB Output is correct
44 Correct 11 ms 9848 KB Output is correct
45 Correct 11 ms 9848 KB Output is correct
46 Correct 11 ms 9848 KB Output is correct
47 Correct 11 ms 9848 KB Output is correct
48 Correct 11 ms 9724 KB Output is correct
49 Correct 11 ms 9848 KB Output is correct
50 Correct 11 ms 9804 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9748 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9692 KB Output is correct
7 Correct 10 ms 9724 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 12 ms 9720 KB Output is correct
10 Correct 10 ms 9724 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9824 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9720 KB Output is correct
20 Correct 10 ms 9692 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9720 KB Output is correct
28 Correct 12 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9692 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9724 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9692 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 10 ms 9744 KB Output is correct
41 Correct 10 ms 9720 KB Output is correct
42 Correct 10 ms 9720 KB Output is correct
43 Correct 10 ms 9780 KB Output is correct
44 Correct 10 ms 9720 KB Output is correct
45 Correct 10 ms 9768 KB Output is correct
46 Correct 11 ms 9720 KB Output is correct
47 Correct 10 ms 9720 KB Output is correct
48 Correct 10 ms 9720 KB Output is correct
49 Correct 10 ms 9720 KB Output is correct
50 Correct 10 ms 9720 KB Output is correct
51 Correct 10 ms 9820 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct
53 Correct 11 ms 9720 KB Output is correct
54 Correct 17 ms 10360 KB Output is correct
55 Correct 17 ms 10404 KB Output is correct
56 Correct 72 ms 14800 KB Output is correct
57 Correct 68 ms 14820 KB Output is correct
58 Correct 71 ms 14696 KB Output is correct
59 Correct 68 ms 14956 KB Output is correct
60 Correct 71 ms 14892 KB Output is correct
61 Correct 66 ms 14820 KB Output is correct
62 Correct 75 ms 14928 KB Output is correct
63 Correct 69 ms 14956 KB Output is correct
64 Correct 69 ms 14928 KB Output is correct
65 Correct 72 ms 14684 KB Output is correct
66 Correct 70 ms 14948 KB Output is correct
67 Correct 67 ms 14880 KB Output is correct
68 Correct 69 ms 14900 KB Output is correct
69 Correct 10 ms 9720 KB Output is correct
70 Correct 10 ms 9780 KB Output is correct
71 Correct 70 ms 14932 KB Output is correct
72 Correct 70 ms 14956 KB Output is correct
73 Correct 70 ms 14896 KB Output is correct
74 Correct 10 ms 9720 KB Output is correct
75 Correct 11 ms 9764 KB Output is correct
76 Correct 10 ms 9720 KB Output is correct
77 Correct 11 ms 9720 KB Output is correct
78 Correct 110 ms 19340 KB Output is correct
79 Correct 95 ms 15664 KB Output is correct
80 Correct 104 ms 19280 KB Output is correct
81 Correct 72 ms 15248 KB Output is correct
82 Correct 105 ms 19320 KB Output is correct
83 Correct 107 ms 16656 KB Output is correct
84 Correct 10 ms 9720 KB Output is correct
85 Correct 10 ms 9720 KB Output is correct
86 Correct 10 ms 9720 KB Output is correct
87 Correct 10 ms 9720 KB Output is correct
88 Correct 11 ms 9848 KB Output is correct
89 Correct 11 ms 9848 KB Output is correct
90 Correct 11 ms 9848 KB Output is correct
91 Correct 11 ms 9848 KB Output is correct
92 Correct 11 ms 9848 KB Output is correct
93 Correct 11 ms 9848 KB Output is correct
94 Correct 11 ms 9848 KB Output is correct
95 Correct 11 ms 9724 KB Output is correct
96 Correct 11 ms 9848 KB Output is correct
97 Correct 11 ms 9804 KB Output is correct
98 Correct 11 ms 9720 KB Output is correct
99 Correct 11 ms 9848 KB Output is correct
100 Correct 11 ms 9848 KB Output is correct
101 Correct 21 ms 10844 KB Output is correct
102 Correct 19 ms 10520 KB Output is correct
103 Correct 127 ms 20600 KB Output is correct
104 Correct 128 ms 20656 KB Output is correct
105 Correct 119 ms 18096 KB Output is correct
106 Correct 102 ms 20600 KB Output is correct
107 Correct 101 ms 17048 KB Output is correct
108 Correct 105 ms 17232 KB Output is correct
109 Correct 73 ms 16796 KB Output is correct
110 Correct 73 ms 16236 KB Output is correct
111 Correct 128 ms 19848 KB Output is correct
112 Correct 161 ms 19316 KB Output is correct
113 Correct 98 ms 17068 KB Output is correct
114 Correct 105 ms 20512 KB Output is correct
115 Correct 105 ms 20760 KB Output is correct