oj.uz

Submission #219769

# Submission time Handle Problem Language Result Execution time Memory
219769 2020-04-06T10:03:32 Z VEGAnn Arranging Shoes (IOI19_shoes) C++14
100 / 100
 107 ms 15096 KB 
#include <bits/stdc++.h>
#include "shoes.h"
#define all(x) x.begin(),x.end()
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
const int N = 200100;
vector<int> vc[N];
ll ans = 0;
int fen[N];
bool mrk[N];

int sum(int x){
    int res = 0;
    for (; x >= 0; x = (x & (x + 1)) - 1)
        res += fen[x];
    return res;
}

void upd(int x, int vl){
    for (; x < N; x = (x | (x + 1)))
        fen[x] += vl;
}

long long count_swaps(std::vector<int> s) {
    int n = sz(s) / 2;

    for (int i = sz(s) - 1; i >= 0; i--)
        vc[s[i] + n].PB(i);

    for (int i = 0; i < sz(s); i++){
        if (mrk[i]) continue;

        if (s[i] > 0)
            ans++;

        vc[s[i] + n].pop_back();

        int real_i = i + sum(i);

        int j = vc[-s[i] + n].back();

        vc[-s[i] + n].pop_back();
        mrk[j] = 1;

        int real_j = sum(j) + j;

        ans += real_j - real_i - 1;

        upd(i, 1);
        upd(j, -1);
    }

    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 5120 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 5120 KB Output is correct
8 Correct 8 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 8 ms 5096 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 9 ms 5120 KB Output is correct
16 Correct 7 ms 5120 KB Output is correct
17 Correct 7 ms 5120 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 8 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 5120 KB Output is correct
30 Correct 7 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 5120 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 5120 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 7 ms 5120 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 7 ms 5120 KB Output is correct
19 Correct 8 ms 5120 KB Output is correct
20 Correct 11 ms 5504 KB Output is correct
21 Correct 11 ms 5504 KB Output is correct
22 Correct 49 ms 9728 KB Output is correct
23 Correct 46 ms 9796 KB Output is correct
24 Correct 48 ms 9748 KB Output is correct
25 Correct 43 ms 9456 KB Output is correct
26 Correct 48 ms 9836 KB Output is correct
27 Correct 44 ms 9580 KB Output is correct
28 Correct 46 ms 9584 KB Output is correct
29 Correct 50 ms 9840 KB Output is correct
30 Correct 44 ms 9632 KB Output is correct
31 Correct 48 ms 9732 KB Output is correct
32 Correct 45 ms 9584 KB Output is correct
33 Correct 44 ms 9456 KB Output is correct
34 Correct 46 ms 9584 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 8 ms 4992 KB Output is correct
37 Correct 49 ms 9720 KB Output is correct
38 Correct 45 ms 9712 KB Output is correct
39 Correct 47 ms 9584 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 72 ms 14968 KB Output is correct
6 Correct 63 ms 10208 KB Output is correct
7 Correct 74 ms 14968 KB Output is correct
8 Correct 48 ms 9652 KB Output is correct
9 Correct 72 ms 14968 KB Output is correct
10 Correct 74 ms 11896 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 5120 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 5120 KB Output is correct
8 Correct 8 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 8 ms 5096 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 9 ms 5120 KB Output is correct
16 Correct 7 ms 5120 KB Output is correct
17 Correct 7 ms 5120 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 8 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 5120 KB Output is correct
30 Correct 7 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 5120 KB Output is correct
38 Correct 7 ms 5120 KB Output is correct
39 Correct 7 ms 4992 KB Output is correct
40 Correct 7 ms 5120 KB Output is correct
41 Correct 8 ms 5120 KB Output is correct
42 Correct 9 ms 5120 KB Output is correct
43 Correct 8 ms 5120 KB Output is correct
44 Correct 8 ms 5120 KB Output is correct
45 Correct 8 ms 5120 KB Output is correct
46 Correct 8 ms 5120 KB Output is correct
47 Correct 8 ms 5120 KB Output is correct
48 Correct 7 ms 5120 KB Output is correct
49 Correct 8 ms 5120 KB Output is correct
50 Correct 8 ms 5120 KB Output is correct
51 Correct 7 ms 5120 KB Output is correct
52 Correct 8 ms 5120 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 7 ms 5120 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 5120 KB Output is correct
8 Correct 8 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 7 ms 4992 KB Output is correct
11 Correct 7 ms 5120 KB Output is correct
12 Correct 8 ms 5096 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 9 ms 5120 KB Output is correct
16 Correct 7 ms 5120 KB Output is correct
17 Correct 7 ms 5120 KB Output is correct
18 Correct 7 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 8 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 5120 KB Output is correct
30 Correct 7 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 5120 KB Output is correct
38 Correct 7 ms 4992 KB Output is correct
39 Correct 7 ms 5120 KB Output is correct
40 Correct 7 ms 4992 KB Output is correct
41 Correct 7 ms 4992 KB Output is correct
42 Correct 7 ms 4992 KB Output is correct
43 Correct 7 ms 4992 KB Output is correct
44 Correct 7 ms 4992 KB Output is correct
45 Correct 7 ms 4992 KB Output is correct
46 Correct 7 ms 4992 KB Output is correct
47 Correct 7 ms 5120 KB Output is correct
48 Correct 7 ms 4992 KB Output is correct
49 Correct 7 ms 5120 KB Output is correct
50 Correct 7 ms 4992 KB Output is correct
51 Correct 7 ms 4992 KB Output is correct
52 Correct 7 ms 5120 KB Output is correct
53 Correct 8 ms 5120 KB Output is correct
54 Correct 11 ms 5504 KB Output is correct
55 Correct 11 ms 5504 KB Output is correct
56 Correct 49 ms 9728 KB Output is correct
57 Correct 46 ms 9796 KB Output is correct
58 Correct 48 ms 9748 KB Output is correct
59 Correct 43 ms 9456 KB Output is correct
60 Correct 48 ms 9836 KB Output is correct
61 Correct 44 ms 9580 KB Output is correct
62 Correct 46 ms 9584 KB Output is correct
63 Correct 50 ms 9840 KB Output is correct
64 Correct 44 ms 9632 KB Output is correct
65 Correct 48 ms 9732 KB Output is correct
66 Correct 45 ms 9584 KB Output is correct
67 Correct 44 ms 9456 KB Output is correct
68 Correct 46 ms 9584 KB Output is correct
69 Correct 7 ms 4992 KB Output is correct
70 Correct 8 ms 4992 KB Output is correct
71 Correct 49 ms 9720 KB Output is correct
72 Correct 45 ms 9712 KB Output is correct
73 Correct 47 ms 9584 KB Output is correct
74 Correct 7 ms 4992 KB Output is correct
75 Correct 7 ms 4992 KB Output is correct
76 Correct 7 ms 4992 KB Output is correct
77 Correct 7 ms 4992 KB Output is correct
78 Correct 72 ms 14968 KB Output is correct
79 Correct 63 ms 10208 KB Output is correct
80 Correct 74 ms 14968 KB Output is correct
81 Correct 48 ms 9652 KB Output is correct
82 Correct 72 ms 14968 KB Output is correct
83 Correct 74 ms 11896 KB Output is correct
84 Correct 7 ms 5120 KB Output is correct
85 Correct 7 ms 5120 KB Output is correct
86 Correct 7 ms 4992 KB Output is correct
87 Correct 7 ms 5120 KB Output is correct
88 Correct 8 ms 5120 KB Output is correct
89 Correct 9 ms 5120 KB Output is correct
90 Correct 8 ms 5120 KB Output is correct
91 Correct 8 ms 5120 KB Output is correct
92 Correct 8 ms 5120 KB Output is correct
93 Correct 8 ms 5120 KB Output is correct
94 Correct 8 ms 5120 KB Output is correct
95 Correct 7 ms 5120 KB Output is correct
96 Correct 8 ms 5120 KB Output is correct
97 Correct 8 ms 5120 KB Output is correct
98 Correct 7 ms 5120 KB Output is correct
99 Correct 8 ms 5120 KB Output is correct
100 Correct 8 ms 5120 KB Output is correct
101 Correct 13 ms 6016 KB Output is correct
102 Correct 16 ms 5632 KB Output is correct
103 Correct 107 ms 15096 KB Output is correct
104 Correct 82 ms 15096 KB Output is correct
105 Correct 87 ms 12408 KB Output is correct
106 Correct 73 ms 14968 KB Output is correct
107 Correct 69 ms 10364 KB Output is correct
108 Correct 74 ms 10744 KB Output is correct
109 Correct 45 ms 9776 KB Output is correct
110 Correct 45 ms 9584 KB Output is correct
111 Correct 76 ms 14328 KB Output is correct
112 Correct 91 ms 13696 KB Output is correct
113 Correct 64 ms 10232 KB Output is correct
114 Correct 74 ms 14968 KB Output is correct
115 Correct 74 ms 14968 KB Output is correct