Submission #147302

# Submission time Handle Problem Language Result Execution time Memory
147302 2019-08-28T19:00:13 Z joylintp Arranging Shoes (IOI19_shoes) C++14
50 / 100
1000 ms 143480 KB
#include<bits/stdc++.h>
#include "shoes.h"

using namespace std;

bool visit[200000] = {};
long long n, ret = 0, bit[200001] = {}, s[200001], ans[200001];
queue<int> Left[100001], Right[100001];

void bld(void)
{
    for (int i = 1; i <= n + 10; i++)
        for (int j = i; j > i - (i & -i); j--)
            if (j != 1)
                bit[i]++;
}

long long sum(int x)
{
    long long ret = 0;
    for (int i = x; i >= 1; i -= (i & -i))
        ret += bit[i];
    return ret;
}

void edt(int x, int k)
{
    for (int i = x; i <= n; i += (i & -i))
        bit[i] -= k;
}

long long count_swaps(vector<int> in)
{
    n = in.size();
    s[0] = 0;
    for (int i = 1; i <= n; i++)
    {
        s[i] = in[i - 1];
        if (s[i] < 0)
            Left[-s[i]].push(i);
        else
            Right[s[i]].push(i);
    }
    bld();

    int cnt = 0, pos, tar;
    for (int i = 1; i <= n; i++)
    {
        if (visit[i])
            continue;

        tar = -abs(s[i]);
        pos = Left[-tar].front(), Left[-tar].pop();
        ans[cnt++] = tar;
        visit[pos] = true;
        ret += sum(pos);
        edt(pos, 1);

        tar = -ans[cnt - 1];
        pos = Right[tar].front(), Right[tar].pop();
        ans[cnt++] = tar;
        visit[pos] = true;
        ret += sum(pos);
        edt(pos, 1);
    }

	return ret;
}
# Verdict Execution time Memory Grader output
1 Correct 134 ms 135032 KB Output is correct
2 Correct 135 ms 134956 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 134 ms 135032 KB Output is correct
2 Correct 135 ms 134956 KB Output is correct
3 Correct 134 ms 134904 KB Output is correct
4 Correct 134 ms 135032 KB Output is correct
5 Correct 141 ms 135108 KB Output is correct
6 Correct 145 ms 134956 KB Output is correct
7 Correct 135 ms 134904 KB Output is correct
8 Correct 137 ms 134904 KB Output is correct
9 Correct 135 ms 134948 KB Output is correct
10 Correct 134 ms 134988 KB Output is correct
11 Correct 135 ms 135032 KB Output is correct
12 Correct 135 ms 134904 KB Output is correct
13 Correct 136 ms 134944 KB Output is correct
14 Correct 135 ms 134904 KB Output is correct
15 Correct 134 ms 135008 KB Output is correct
16 Correct 134 ms 134904 KB Output is correct
17 Correct 134 ms 135004 KB Output is correct
18 Correct 134 ms 135004 KB Output is correct
19 Correct 151 ms 135032 KB Output is correct
20 Correct 152 ms 135008 KB Output is correct
21 Correct 137 ms 134908 KB Output is correct
22 Correct 137 ms 134904 KB Output is correct
23 Correct 134 ms 135016 KB Output is correct
24 Correct 136 ms 134948 KB Output is correct
25 Correct 134 ms 134904 KB Output is correct
26 Correct 140 ms 135024 KB Output is correct
27 Correct 142 ms 134912 KB Output is correct
28 Correct 164 ms 135144 KB Output is correct
29 Correct 151 ms 134960 KB Output is correct
30 Correct 160 ms 135004 KB Output is correct
31 Correct 162 ms 135008 KB Output is correct
32 Correct 163 ms 135036 KB Output is correct
33 Correct 154 ms 134936 KB Output is correct
34 Correct 135 ms 135004 KB Output is correct
35 Correct 135 ms 134904 KB Output is correct
36 Correct 149 ms 135016 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 134 ms 135032 KB Output is correct
2 Correct 135 ms 134956 KB Output is correct
3 Correct 145 ms 135048 KB Output is correct
4 Correct 136 ms 134904 KB Output is correct
5 Correct 136 ms 135000 KB Output is correct
6 Correct 138 ms 134908 KB Output is correct
7 Correct 137 ms 134904 KB Output is correct
8 Correct 160 ms 135028 KB Output is correct
9 Correct 137 ms 135036 KB Output is correct
10 Correct 138 ms 135020 KB Output is correct
11 Correct 137 ms 134904 KB Output is correct
12 Correct 137 ms 135144 KB Output is correct
13 Correct 137 ms 135004 KB Output is correct
14 Correct 152 ms 135028 KB Output is correct
15 Correct 136 ms 134904 KB Output is correct
16 Correct 138 ms 134944 KB Output is correct
17 Correct 154 ms 135120 KB Output is correct
18 Correct 149 ms 135032 KB Output is correct
19 Correct 178 ms 135160 KB Output is correct
20 Correct 157 ms 135800 KB Output is correct
21 Correct 152 ms 135928 KB Output is correct
22 Execution timed out 1095 ms 143480 KB Time limit exceeded
23 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 136 ms 134904 KB Output is correct
2 Correct 137 ms 135052 KB Output is correct
3 Correct 139 ms 134956 KB Output is correct
4 Correct 140 ms 135020 KB Output is correct
5 Execution timed out 1091 ms 142712 KB Time limit exceeded
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 134 ms 135032 KB Output is correct
2 Correct 135 ms 134956 KB Output is correct
3 Correct 134 ms 134904 KB Output is correct
4 Correct 134 ms 135032 KB Output is correct
5 Correct 141 ms 135108 KB Output is correct
6 Correct 145 ms 134956 KB Output is correct
7 Correct 135 ms 134904 KB Output is correct
8 Correct 137 ms 134904 KB Output is correct
9 Correct 135 ms 134948 KB Output is correct
10 Correct 134 ms 134988 KB Output is correct
11 Correct 135 ms 135032 KB Output is correct
12 Correct 135 ms 134904 KB Output is correct
13 Correct 136 ms 134944 KB Output is correct
14 Correct 135 ms 134904 KB Output is correct
15 Correct 134 ms 135008 KB Output is correct
16 Correct 134 ms 134904 KB Output is correct
17 Correct 134 ms 135004 KB Output is correct
18 Correct 134 ms 135004 KB Output is correct
19 Correct 151 ms 135032 KB Output is correct
20 Correct 152 ms 135008 KB Output is correct
21 Correct 137 ms 134908 KB Output is correct
22 Correct 137 ms 134904 KB Output is correct
23 Correct 134 ms 135016 KB Output is correct
24 Correct 136 ms 134948 KB Output is correct
25 Correct 134 ms 134904 KB Output is correct
26 Correct 140 ms 135024 KB Output is correct
27 Correct 142 ms 134912 KB Output is correct
28 Correct 164 ms 135144 KB Output is correct
29 Correct 151 ms 134960 KB Output is correct
30 Correct 160 ms 135004 KB Output is correct
31 Correct 162 ms 135008 KB Output is correct
32 Correct 163 ms 135036 KB Output is correct
33 Correct 154 ms 134936 KB Output is correct
34 Correct 135 ms 135004 KB Output is correct
35 Correct 135 ms 134904 KB Output is correct
36 Correct 149 ms 135016 KB Output is correct
37 Correct 136 ms 134904 KB Output is correct
38 Correct 137 ms 134988 KB Output is correct
39 Correct 137 ms 134992 KB Output is correct
40 Correct 137 ms 135032 KB Output is correct
41 Correct 140 ms 135108 KB Output is correct
42 Correct 137 ms 135032 KB Output is correct
43 Correct 137 ms 135036 KB Output is correct
44 Correct 139 ms 135112 KB Output is correct
45 Correct 137 ms 135052 KB Output is correct
46 Correct 139 ms 135032 KB Output is correct
47 Correct 142 ms 135036 KB Output is correct
48 Correct 139 ms 135032 KB Output is correct
49 Correct 137 ms 135128 KB Output is correct
50 Correct 150 ms 135032 KB Output is correct
51 Correct 152 ms 135032 KB Output is correct
52 Correct 166 ms 134996 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 134 ms 135032 KB Output is correct
2 Correct 135 ms 134956 KB Output is correct
3 Correct 134 ms 134904 KB Output is correct
4 Correct 134 ms 135032 KB Output is correct
5 Correct 141 ms 135108 KB Output is correct
6 Correct 145 ms 134956 KB Output is correct
7 Correct 135 ms 134904 KB Output is correct
8 Correct 137 ms 134904 KB Output is correct
9 Correct 135 ms 134948 KB Output is correct
10 Correct 134 ms 134988 KB Output is correct
11 Correct 135 ms 135032 KB Output is correct
12 Correct 135 ms 134904 KB Output is correct
13 Correct 136 ms 134944 KB Output is correct
14 Correct 135 ms 134904 KB Output is correct
15 Correct 134 ms 135008 KB Output is correct
16 Correct 134 ms 134904 KB Output is correct
17 Correct 134 ms 135004 KB Output is correct
18 Correct 134 ms 135004 KB Output is correct
19 Correct 151 ms 135032 KB Output is correct
20 Correct 152 ms 135008 KB Output is correct
21 Correct 137 ms 134908 KB Output is correct
22 Correct 137 ms 134904 KB Output is correct
23 Correct 134 ms 135016 KB Output is correct
24 Correct 136 ms 134948 KB Output is correct
25 Correct 134 ms 134904 KB Output is correct
26 Correct 140 ms 135024 KB Output is correct
27 Correct 142 ms 134912 KB Output is correct
28 Correct 164 ms 135144 KB Output is correct
29 Correct 151 ms 134960 KB Output is correct
30 Correct 160 ms 135004 KB Output is correct
31 Correct 162 ms 135008 KB Output is correct
32 Correct 163 ms 135036 KB Output is correct
33 Correct 154 ms 134936 KB Output is correct
34 Correct 135 ms 135004 KB Output is correct
35 Correct 135 ms 134904 KB Output is correct
36 Correct 149 ms 135016 KB Output is correct
37 Correct 145 ms 135048 KB Output is correct
38 Correct 136 ms 134904 KB Output is correct
39 Correct 136 ms 135000 KB Output is correct
40 Correct 138 ms 134908 KB Output is correct
41 Correct 137 ms 134904 KB Output is correct
42 Correct 160 ms 135028 KB Output is correct
43 Correct 137 ms 135036 KB Output is correct
44 Correct 138 ms 135020 KB Output is correct
45 Correct 137 ms 134904 KB Output is correct
46 Correct 137 ms 135144 KB Output is correct
47 Correct 137 ms 135004 KB Output is correct
48 Correct 152 ms 135028 KB Output is correct
49 Correct 136 ms 134904 KB Output is correct
50 Correct 138 ms 134944 KB Output is correct
51 Correct 154 ms 135120 KB Output is correct
52 Correct 149 ms 135032 KB Output is correct
53 Correct 178 ms 135160 KB Output is correct
54 Correct 157 ms 135800 KB Output is correct
55 Correct 152 ms 135928 KB Output is correct
56 Execution timed out 1095 ms 143480 KB Time limit exceeded
57 Halted 0 ms 0 KB -