oj.uz

Submission #211231

# Submission time Handle Problem Language Result Execution time Memory
211231 2020-03-19T15:07:41 Z eric_xiao Arranging Shoes (IOI19_shoes) C++14
100 / 100
 115 ms 21240 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll BIT[200009];
ll cnt[200009];
vector<ll> A[200009],B[200009];
ll N;
void add(ll p,ll v)
{
    while(p <= N)
    {
        BIT[p] += v;
        p += (p & (-p));
    }
}
ll sum(ll p)
{
    ll ret = 0;
    while(p > 0)
    {
        ret += BIT[p];
        p -= (p & (-p));
    }
    return ret;
}
ll count_swaps(vector<int> S)
{
    ll ans = 0,i;
    N = S.size();
    for(i = 1;i <= N;i++)
    {
        add(i,1);
        if(S[i-1] > 0)
        {
            A[S[i-1]].push_back(i);
        }
        else
        {
            B[-S[i-1]].push_back(i);
        }
    }
    for(i = 1;i <= N;i++)
    {
        ll nw = cnt[abs(S[i-1])];
        if((S[i-1] < 0 && B[abs(S[i-1])][nw] != i) || (S[i-1] > 0 && A[abs(S[i-1])][nw] != i))
        {
            continue;
        }
        cnt[abs(S[i-1])]++;
        ll pr;
        if(S[i-1] < 0)
        {
            pr = A[abs(S[i-1])][nw];
        }
        else
        {
            pr = B[abs(S[i-1])][nw];
            ans++;
        }
        ans += sum(pr)-2;
        add(i,-1);
        add(pr,-1);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9728 KB Output is correct
2 Correct 9 ms 9728 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9728 KB Output is correct
2 Correct 9 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 9 ms 9728 KB Output is correct
6 Correct 9 ms 9728 KB Output is correct
7 Correct 9 ms 9728 KB Output is correct
8 Correct 10 ms 9728 KB Output is correct
9 Correct 9 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 9 ms 9728 KB Output is correct
12 Correct 11 ms 9640 KB Output is correct
13 Correct 9 ms 9780 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 10 ms 9728 KB Output is correct
21 Correct 10 ms 9728 KB Output is correct
22 Correct 9 ms 9728 KB Output is correct
23 Correct 10 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 9 ms 9728 KB Output is correct
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 10 ms 9728 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 10 ms 9728 KB Output is correct
31 Correct 10 ms 9728 KB Output is correct
32 Correct 10 ms 9728 KB Output is correct
33 Correct 9 ms 9728 KB Output is correct
34 Correct 9 ms 9728 KB Output is correct
35 Correct 9 ms 9728 KB Output is correct
36 Correct 10 ms 9856 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9728 KB Output is correct
2 Correct 9 ms 9728 KB Output is correct
3 Correct 9 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 10 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 9 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 10 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9600 KB Output is correct
19 Correct 11 ms 9728 KB Output is correct
20 Correct 14 ms 10496 KB Output is correct
21 Correct 14 ms 10496 KB Output is correct
22 Correct 55 ms 15844 KB Output is correct
23 Correct 53 ms 15972 KB Output is correct
24 Correct 55 ms 15752 KB Output is correct
25 Correct 51 ms 15980 KB Output is correct
26 Correct 55 ms 15972 KB Output is correct
27 Correct 50 ms 15716 KB Output is correct
28 Correct 54 ms 16364 KB Output is correct
29 Correct 53 ms 16236 KB Output is correct
30 Correct 52 ms 16236 KB Output is correct
31 Correct 55 ms 15776 KB Output is correct
32 Correct 53 ms 16236 KB Output is correct
33 Correct 53 ms 15980 KB Output is correct
34 Correct 55 ms 16236 KB Output is correct
35 Correct 10 ms 9728 KB Output is correct
36 Correct 9 ms 9728 KB Output is correct
37 Correct 54 ms 16236 KB Output is correct
38 Correct 52 ms 16236 KB Output is correct
39 Correct 55 ms 16324 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 11 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 10 ms 9728 KB Output is correct
5 Correct 82 ms 21112 KB Output is correct
6 Correct 78 ms 17528 KB Output is correct
7 Correct 82 ms 21116 KB Output is correct
8 Correct 55 ms 16304 KB Output is correct
9 Correct 98 ms 21112 KB Output is correct
10 Correct 88 ms 18424 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9728 KB Output is correct
2 Correct 9 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 9 ms 9728 KB Output is correct
6 Correct 9 ms 9728 KB Output is correct
7 Correct 9 ms 9728 KB Output is correct
8 Correct 10 ms 9728 KB Output is correct
9 Correct 9 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 9 ms 9728 KB Output is correct
12 Correct 11 ms 9640 KB Output is correct
13 Correct 9 ms 9780 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 10 ms 9728 KB Output is correct
21 Correct 10 ms 9728 KB Output is correct
22 Correct 9 ms 9728 KB Output is correct
23 Correct 10 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 9 ms 9728 KB Output is correct
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 10 ms 9728 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 10 ms 9728 KB Output is correct
31 Correct 10 ms 9728 KB Output is correct
32 Correct 10 ms 9728 KB Output is correct
33 Correct 9 ms 9728 KB Output is correct
34 Correct 9 ms 9728 KB Output is correct
35 Correct 9 ms 9728 KB Output is correct
36 Correct 10 ms 9856 KB Output is correct
37 Correct 9 ms 9728 KB Output is correct
38 Correct 9 ms 9728 KB Output is correct
39 Correct 9 ms 9728 KB Output is correct
40 Correct 10 ms 9728 KB Output is correct
41 Correct 10 ms 9856 KB Output is correct
42 Correct 10 ms 9856 KB Output is correct
43 Correct 10 ms 9856 KB Output is correct
44 Correct 12 ms 9856 KB Output is correct
45 Correct 10 ms 9856 KB Output is correct
46 Correct 10 ms 9856 KB Output is correct
47 Correct 10 ms 9856 KB Output is correct
48 Correct 10 ms 9856 KB Output is correct
49 Correct 10 ms 9856 KB Output is correct
50 Correct 10 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 9 ms 9728 KB Output is correct
2 Correct 9 ms 9728 KB Output is correct
3 Correct 10 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 9 ms 9728 KB Output is correct
6 Correct 9 ms 9728 KB Output is correct
7 Correct 9 ms 9728 KB Output is correct
8 Correct 10 ms 9728 KB Output is correct
9 Correct 9 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 9 ms 9728 KB Output is correct
12 Correct 11 ms 9640 KB Output is correct
13 Correct 9 ms 9780 KB Output is correct
14 Correct 10 ms 9728 KB Output is correct
15 Correct 10 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 10 ms 9728 KB Output is correct
21 Correct 10 ms 9728 KB Output is correct
22 Correct 9 ms 9728 KB Output is correct
23 Correct 10 ms 9728 KB Output is correct
24 Correct 10 ms 9728 KB Output is correct
25 Correct 9 ms 9728 KB Output is correct
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 10 ms 9728 KB Output is correct
29 Correct 11 ms 9728 KB Output is correct
30 Correct 10 ms 9728 KB Output is correct
31 Correct 10 ms 9728 KB Output is correct
32 Correct 10 ms 9728 KB Output is correct
33 Correct 9 ms 9728 KB Output is correct
34 Correct 9 ms 9728 KB Output is correct
35 Correct 9 ms 9728 KB Output is correct
36 Correct 10 ms 9856 KB Output is correct
37 Correct 9 ms 9728 KB Output is correct
38 Correct 9 ms 9728 KB Output is correct
39 Correct 10 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 9 ms 9728 KB Output is correct
43 Correct 9 ms 9728 KB Output is correct
44 Correct 10 ms 9728 KB Output is correct
45 Correct 10 ms 9728 KB Output is correct
46 Correct 10 ms 9728 KB Output is correct
47 Correct 10 ms 9728 KB Output is correct
48 Correct 10 ms 9728 KB Output is correct
49 Correct 10 ms 9728 KB Output is correct
50 Correct 10 ms 9728 KB Output is correct
51 Correct 10 ms 9728 KB Output is correct
52 Correct 10 ms 9600 KB Output is correct
53 Correct 11 ms 9728 KB Output is correct
54 Correct 14 ms 10496 KB Output is correct
55 Correct 14 ms 10496 KB Output is correct
56 Correct 55 ms 15844 KB Output is correct
57 Correct 53 ms 15972 KB Output is correct
58 Correct 55 ms 15752 KB Output is correct
59 Correct 51 ms 15980 KB Output is correct
60 Correct 55 ms 15972 KB Output is correct
61 Correct 50 ms 15716 KB Output is correct
62 Correct 54 ms 16364 KB Output is correct
63 Correct 53 ms 16236 KB Output is correct
64 Correct 52 ms 16236 KB Output is correct
65 Correct 55 ms 15776 KB Output is correct
66 Correct 53 ms 16236 KB Output is correct
67 Correct 53 ms 15980 KB Output is correct
68 Correct 55 ms 16236 KB Output is correct
69 Correct 10 ms 9728 KB Output is correct
70 Correct 9 ms 9728 KB Output is correct
71 Correct 54 ms 16236 KB Output is correct
72 Correct 52 ms 16236 KB Output is correct
73 Correct 55 ms 16324 KB Output is correct
74 Correct 10 ms 9728 KB Output is correct
75 Correct 11 ms 9728 KB Output is correct
76 Correct 10 ms 9728 KB Output is correct
77 Correct 10 ms 9728 KB Output is correct
78 Correct 82 ms 21112 KB Output is correct
79 Correct 78 ms 17528 KB Output is correct
80 Correct 82 ms 21116 KB Output is correct
81 Correct 55 ms 16304 KB Output is correct
82 Correct 98 ms 21112 KB Output is correct
83 Correct 88 ms 18424 KB Output is correct
84 Correct 9 ms 9728 KB Output is correct
85 Correct 9 ms 9728 KB Output is correct
86 Correct 9 ms 9728 KB Output is correct
87 Correct 10 ms 9728 KB Output is correct
88 Correct 10 ms 9856 KB Output is correct
89 Correct 10 ms 9856 KB Output is correct
90 Correct 10 ms 9856 KB Output is correct
91 Correct 12 ms 9856 KB Output is correct
92 Correct 10 ms 9856 KB Output is correct
93 Correct 10 ms 9856 KB Output is correct
94 Correct 10 ms 9856 KB Output is correct
95 Correct 10 ms 9856 KB Output is correct
96 Correct 10 ms 9856 KB Output is correct
97 Correct 10 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 10752 KB Output is correct
102 Correct 16 ms 10496 KB Output is correct
103 Correct 115 ms 21240 KB Output is correct
104 Correct 96 ms 21112 KB Output is correct
105 Correct 112 ms 18808 KB Output is correct
106 Correct 82 ms 21112 KB Output is correct
107 Correct 80 ms 17528 KB Output is correct
108 Correct 85 ms 17784 KB Output is correct
109 Correct 54 ms 16620 KB Output is correct
110 Correct 52 ms 16236 KB Output is correct
111 Correct 88 ms 20472 KB Output is correct
112 Correct 108 ms 19704 KB Output is correct
113 Correct 77 ms 17528 KB Output is correct
114 Correct 79 ms 21168 KB Output is correct
115 Correct 82 ms 21112 KB Output is correct