oj.uz

Submission #143553

# Submission time Handle Problem Language Result Execution time Memory
143553 2019-08-14T14:56:35 Z muradeyn Arranging Shoes (IOI19_shoes) C++14
100 / 100
 786 ms 146936 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

const int maxx = 200001;

int fen[maxx];

void update(int idx) {
    idx++;
    while (idx < maxx)fen[idx]++ , idx += (idx & -idx);
}

int get(int idx) {
    int ret = 0;
    while (idx > 0) {
        ret += fen[idx];
        idx -= (idx & -idx);
    }
    return ret;
}

int query(int l , int r) {
    l++; r++;
    if (l > r)return 0;
    return get(r) - get(l - 1);
}

map< int , queue<int> >mp;

long long count_swaps(vector<int> s) {
	long long ret = 0;
	int n = s.size();
	for (int i = 0;i<n;i++)mp[s[i]].push(i);
	for (int i = 0;i<n;i++) {
        if (mp[s[i]].front() == i) {
            int nxt = mp[-s[i]].front();
            mp[s[i]].pop();
            mp[-s[i]].pop();
            ret += (nxt - i - 1) - query(i + 1 , nxt - 1);
            update(nxt);
            update(i);
            if (s[i] >= 0)ret++;
        }
	}
	return ret;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 452 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 404 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 8 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 6 ms 632 KB Output is correct
21 Correct 6 ms 632 KB Output is correct
22 Correct 42 ms 3576 KB Output is correct
23 Correct 33 ms 3448 KB Output is correct
24 Correct 43 ms 3576 KB Output is correct
25 Correct 37 ms 3448 KB Output is correct
26 Correct 41 ms 3448 KB Output is correct
27 Correct 32 ms 3448 KB Output is correct
28 Correct 37 ms 3448 KB Output is correct
29 Correct 37 ms 3576 KB Output is correct
30 Correct 38 ms 3548 KB Output is correct
31 Correct 41 ms 3576 KB Output is correct
32 Correct 37 ms 3576 KB Output is correct
33 Correct 36 ms 3576 KB Output is correct
34 Correct 37 ms 3448 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 37 ms 3448 KB Output is correct
38 Correct 38 ms 3448 KB Output is correct
39 Correct 37 ms 3576 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 404 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 740 ms 146808 KB Output is correct
6 Correct 238 ms 15224 KB Output is correct
7 Correct 671 ms 146784 KB Output is correct
8 Correct 46 ms 3448 KB Output is correct
9 Correct 675 ms 146712 KB Output is correct
10 Correct 473 ms 74744 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 452 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 380 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 3 ms 632 KB Output is correct
41 Correct 2 ms 1656 KB Output is correct
42 Correct 5 ms 1784 KB Output is correct
43 Correct 3 ms 1628 KB Output is correct
44 Correct 4 ms 1532 KB Output is correct
45 Correct 4 ms 1272 KB Output is correct
46 Correct 4 ms 1016 KB Output is correct
47 Correct 4 ms 1016 KB Output is correct
48 Correct 3 ms 760 KB Output is correct
49 Correct 3 ms 632 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 5 ms 1784 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 452 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 404 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 8 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 6 ms 632 KB Output is correct
55 Correct 6 ms 632 KB Output is correct
56 Correct 42 ms 3576 KB Output is correct
57 Correct 33 ms 3448 KB Output is correct
58 Correct 43 ms 3576 KB Output is correct
59 Correct 37 ms 3448 KB Output is correct
60 Correct 41 ms 3448 KB Output is correct
61 Correct 32 ms 3448 KB Output is correct
62 Correct 37 ms 3448 KB Output is correct
63 Correct 37 ms 3576 KB Output is correct
64 Correct 38 ms 3548 KB Output is correct
65 Correct 41 ms 3576 KB Output is correct
66 Correct 37 ms 3576 KB Output is correct
67 Correct 36 ms 3576 KB Output is correct
68 Correct 37 ms 3448 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 376 KB Output is correct
71 Correct 37 ms 3448 KB Output is correct
72 Correct 38 ms 3448 KB Output is correct
73 Correct 37 ms 3576 KB Output is correct
74 Correct 0 ms 376 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 404 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 740 ms 146808 KB Output is correct
79 Correct 238 ms 15224 KB Output is correct
80 Correct 671 ms 146784 KB Output is correct
81 Correct 46 ms 3448 KB Output is correct
82 Correct 675 ms 146712 KB Output is correct
83 Correct 473 ms 74744 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 380 KB Output is correct
86 Correct 2 ms 504 KB Output is correct
87 Correct 3 ms 632 KB Output is correct
88 Correct 2 ms 1656 KB Output is correct
89 Correct 5 ms 1784 KB Output is correct
90 Correct 3 ms 1628 KB Output is correct
91 Correct 4 ms 1532 KB Output is correct
92 Correct 4 ms 1272 KB Output is correct
93 Correct 4 ms 1016 KB Output is correct
94 Correct 4 ms 1016 KB Output is correct
95 Correct 3 ms 760 KB Output is correct
96 Correct 3 ms 632 KB Output is correct
97 Correct 3 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 5 ms 1784 KB Output is correct
100 Correct 5 ms 1784 KB Output is correct
101 Correct 47 ms 13552 KB Output is correct
102 Correct 21 ms 3420 KB Output is correct
103 Correct 786 ms 146680 KB Output is correct
104 Correct 641 ms 146680 KB Output is correct
105 Correct 594 ms 84552 KB Output is correct
106 Correct 748 ms 146796 KB Output is correct
107 Correct 236 ms 18680 KB Output is correct
108 Correct 306 ms 34800 KB Output is correct
109 Correct 39 ms 3448 KB Output is correct
110 Correct 37 ms 3576 KB Output is correct
111 Correct 647 ms 130720 KB Output is correct
112 Correct 683 ms 114768 KB Output is correct
113 Correct 248 ms 20472 KB Output is correct
114 Correct 685 ms 146936 KB Output is correct
115 Correct 669 ms 146808 KB Output is correct