oj.uz

Submission #298838

# Submission time Handle Problem Language Result Execution time Memory
298838 2020-09-14T06:56:39 Z Aldas25 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 661 ms 148984 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(nullptr)
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define REP(n) FOR(O, 1, (n))
#define f first
#define s second
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;
typedef vector<ll> vl;

const int MAXN = 500100;

ll fen[MAXN];

void upd (int p, ll x) {
    p++;
    for (int i = p; i < MAXN; i += i&(-i))
        fen[i] += x;
}
ll get (int p) {
    p++;
    ll ret = 0ll;
    for (int i = p; i > 0; i -= i&(-i))
        ret += fen[i];
    return ret;
}
ll get (int le, int ri) {
    return get(ri) - get(le-1);
}

map<int, queue<int>> q;

long long count_swaps(std::vector<int> s) {
    int n = (int)s.size();

    FOR(i, 0, n-1) upd(i, 1);
    FOR(i, 0, n-1) q[s[i]].push(i);

    ll ret = 0;
    FOR(i, 0, n-1) {
        if (get(i,i) == 0) continue;
        q[s[i]].pop();
        int id = q[-s[i]].front();
        q[-s[i]].pop();
        if (s[i] > 0) ret++;
        upd (i, -1);
        upd (id, -1);
        ret += get(i, id);
    }

	return ret;
}

/*

2
2 1 -1 -2
ans:
4

3
-2 2 2 -2 -2 2
ans:
1


*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 416 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 6 ms 896 KB Output is correct
21 Correct 6 ms 896 KB Output is correct
22 Correct 53 ms 5004 KB Output is correct
23 Correct 51 ms 5752 KB Output is correct
24 Correct 54 ms 5624 KB Output is correct
25 Correct 53 ms 5624 KB Output is correct
26 Correct 52 ms 5624 KB Output is correct
27 Correct 47 ms 5368 KB Output is correct
28 Correct 52 ms 5624 KB Output is correct
29 Correct 51 ms 5624 KB Output is correct
30 Correct 53 ms 5880 KB Output is correct
31 Correct 54 ms 5624 KB Output is correct
32 Correct 51 ms 5752 KB Output is correct
33 Correct 49 ms 5368 KB Output is correct
34 Correct 50 ms 5624 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 50 ms 5624 KB Output is correct
38 Correct 50 ms 5752 KB Output is correct
39 Correct 51 ms 5624 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 563 ms 147960 KB Output is correct
6 Correct 179 ms 17456 KB Output is correct
7 Correct 562 ms 148860 KB Output is correct
8 Correct 54 ms 5624 KB Output is correct
9 Correct 554 ms 148980 KB Output is correct
10 Correct 409 ms 76920 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 416 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 640 KB Output is correct
41 Correct 3 ms 1920 KB Output is correct
42 Correct 3 ms 1792 KB Output is correct
43 Correct 3 ms 1664 KB Output is correct
44 Correct 3 ms 1408 KB Output is correct
45 Correct 3 ms 1408 KB Output is correct
46 Correct 3 ms 1152 KB Output is correct
47 Correct 2 ms 1024 KB Output is correct
48 Correct 2 ms 896 KB Output is correct
49 Correct 2 ms 640 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 2 ms 384 KB Output is correct
52 Correct 3 ms 1792 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 416 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 1 ms 384 KB Output is correct
42 Correct 1 ms 512 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 1 ms 384 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 2 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 384 KB Output is correct
53 Correct 1 ms 384 KB Output is correct
54 Correct 6 ms 896 KB Output is correct
55 Correct 6 ms 896 KB Output is correct
56 Correct 53 ms 5004 KB Output is correct
57 Correct 51 ms 5752 KB Output is correct
58 Correct 54 ms 5624 KB Output is correct
59 Correct 53 ms 5624 KB Output is correct
60 Correct 52 ms 5624 KB Output is correct
61 Correct 47 ms 5368 KB Output is correct
62 Correct 52 ms 5624 KB Output is correct
63 Correct 51 ms 5624 KB Output is correct
64 Correct 53 ms 5880 KB Output is correct
65 Correct 54 ms 5624 KB Output is correct
66 Correct 51 ms 5752 KB Output is correct
67 Correct 49 ms 5368 KB Output is correct
68 Correct 50 ms 5624 KB Output is correct
69 Correct 1 ms 384 KB Output is correct
70 Correct 1 ms 384 KB Output is correct
71 Correct 50 ms 5624 KB Output is correct
72 Correct 50 ms 5752 KB Output is correct
73 Correct 51 ms 5624 KB Output is correct
74 Correct 1 ms 512 KB Output is correct
75 Correct 1 ms 384 KB Output is correct
76 Correct 1 ms 384 KB Output is correct
77 Correct 1 ms 384 KB Output is correct
78 Correct 563 ms 147960 KB Output is correct
79 Correct 179 ms 17456 KB Output is correct
80 Correct 562 ms 148860 KB Output is correct
81 Correct 54 ms 5624 KB Output is correct
82 Correct 554 ms 148980 KB Output is correct
83 Correct 409 ms 76920 KB Output is correct
84 Correct 1 ms 512 KB Output is correct
85 Correct 1 ms 384 KB Output is correct
86 Correct 1 ms 512 KB Output is correct
87 Correct 1 ms 640 KB Output is correct
88 Correct 3 ms 1920 KB Output is correct
89 Correct 3 ms 1792 KB Output is correct
90 Correct 3 ms 1664 KB Output is correct
91 Correct 3 ms 1408 KB Output is correct
92 Correct 3 ms 1408 KB Output is correct
93 Correct 3 ms 1152 KB Output is correct
94 Correct 2 ms 1024 KB Output is correct
95 Correct 2 ms 896 KB Output is correct
96 Correct 2 ms 640 KB Output is correct
97 Correct 1 ms 384 KB Output is correct
98 Correct 2 ms 384 KB Output is correct
99 Correct 3 ms 1792 KB Output is correct
100 Correct 3 ms 1792 KB Output is correct
101 Correct 37 ms 13696 KB Output is correct
102 Correct 15 ms 3616 KB Output is correct
103 Correct 661 ms 148728 KB Output is correct
104 Correct 544 ms 148696 KB Output is correct
105 Correct 503 ms 86696 KB Output is correct
106 Correct 556 ms 148860 KB Output is correct
107 Correct 227 ms 20728 KB Output is correct
108 Correct 280 ms 36728 KB Output is correct
109 Correct 53 ms 5624 KB Output is correct
110 Correct 49 ms 5752 KB Output is correct
111 Correct 522 ms 132856 KB Output is correct
112 Correct 555 ms 116888 KB Output is correct
113 Correct 222 ms 22520 KB Output is correct
114 Correct 561 ms 148884 KB Output is correct
115 Correct 575 ms 148984 KB Output is correct