oj.uz

Submission #766697

# Submission time Handle Problem Language Result Execution time Memory
766697 2023-06-26T04:34:47 Z t6twotwo Arranging Shoes (IOI19_shoes) C++17
100 / 100
 151 ms 139096 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll count_swaps(vector<int> s) {
    int n = s.size() / 2;
    vector<int> bit(2 * n + 1);
    auto add = [&](int p, int v) {
        for (int i = p + 1; i <= 2 * n; i += i & -i) {
            bit[i] += v;
        }
    };
    auto sum = [&](int p) {
        int ans = 0;
        for (int i = p; i > 0; i -= i & -i) {
            ans += bit[i];
        }
        return ans;
    };
    ll ans = 0;
    queue<int> a[n + 1][2];
    for (int i = 0; i < 2 * n; i++) {
        int q = s[i] > 0;
        if (s[i] < 0) {
            s[i] = -s[i];
        }
        if (!a[s[i]][!q].empty()) {
            int p = a[s[i]][!q].front();
            a[s[i]][!q].pop();
            ans += (i - p - 1) - (sum(i) - sum(p)) + !q;
            add(i, 1);
            add(p, -1);
        } else {
            a[s[i]][q].push(i);
        }
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 0 ms 300 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 1620 KB Output is correct
19 Correct 1 ms 1620 KB Output is correct
20 Correct 10 ms 14016 KB Output is correct
21 Correct 11 ms 14036 KB Output is correct
22 Correct 109 ms 137664 KB Output is correct
23 Correct 94 ms 137644 KB Output is correct
24 Correct 101 ms 137668 KB Output is correct
25 Correct 105 ms 138028 KB Output is correct
26 Correct 95 ms 138424 KB Output is correct
27 Correct 105 ms 138416 KB Output is correct
28 Correct 90 ms 138956 KB Output is correct
29 Correct 95 ms 138964 KB Output is correct
30 Correct 94 ms 138956 KB Output is correct
31 Correct 98 ms 138544 KB Output is correct
32 Correct 106 ms 139096 KB Output is correct
33 Correct 93 ms 138696 KB Output is correct
34 Correct 94 ms 138880 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 300 KB Output is correct
37 Correct 94 ms 138944 KB Output is correct
38 Correct 95 ms 138968 KB Output is correct
39 Correct 93 ms 138864 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 151 ms 137660 KB Output is correct
6 Correct 102 ms 138520 KB Output is correct
7 Correct 126 ms 138528 KB Output is correct
8 Correct 89 ms 138940 KB Output is correct
9 Correct 125 ms 138516 KB Output is correct
10 Correct 109 ms 138444 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 680 KB Output is correct
41 Correct 1 ms 1620 KB Output is correct
42 Correct 1 ms 1620 KB Output is correct
43 Correct 1 ms 1620 KB Output is correct
44 Correct 1 ms 1620 KB Output is correct
45 Correct 1 ms 1592 KB Output is correct
46 Correct 1 ms 1620 KB Output is correct
47 Correct 1 ms 1620 KB Output is correct
48 Correct 1 ms 1620 KB Output is correct
49 Correct 1 ms 1620 KB Output is correct
50 Correct 2 ms 1620 KB Output is correct
51 Correct 1 ms 1620 KB Output is correct
52 Correct 1 ms 1620 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 300 KB Output is correct
41 Correct 0 ms 300 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 596 KB Output is correct
52 Correct 1 ms 1620 KB Output is correct
53 Correct 1 ms 1620 KB Output is correct
54 Correct 10 ms 14016 KB Output is correct
55 Correct 11 ms 14036 KB Output is correct
56 Correct 109 ms 137664 KB Output is correct
57 Correct 94 ms 137644 KB Output is correct
58 Correct 101 ms 137668 KB Output is correct
59 Correct 105 ms 138028 KB Output is correct
60 Correct 95 ms 138424 KB Output is correct
61 Correct 105 ms 138416 KB Output is correct
62 Correct 90 ms 138956 KB Output is correct
63 Correct 95 ms 138964 KB Output is correct
64 Correct 94 ms 138956 KB Output is correct
65 Correct 98 ms 138544 KB Output is correct
66 Correct 106 ms 139096 KB Output is correct
67 Correct 93 ms 138696 KB Output is correct
68 Correct 94 ms 138880 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 1 ms 300 KB Output is correct
71 Correct 94 ms 138944 KB Output is correct
72 Correct 95 ms 138968 KB Output is correct
73 Correct 93 ms 138864 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 151 ms 137660 KB Output is correct
79 Correct 102 ms 138520 KB Output is correct
80 Correct 126 ms 138528 KB Output is correct
81 Correct 89 ms 138940 KB Output is correct
82 Correct 125 ms 138516 KB Output is correct
83 Correct 109 ms 138444 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 680 KB Output is correct
88 Correct 1 ms 1620 KB Output is correct
89 Correct 1 ms 1620 KB Output is correct
90 Correct 1 ms 1620 KB Output is correct
91 Correct 1 ms 1620 KB Output is correct
92 Correct 1 ms 1592 KB Output is correct
93 Correct 1 ms 1620 KB Output is correct
94 Correct 1 ms 1620 KB Output is correct
95 Correct 1 ms 1620 KB Output is correct
96 Correct 1 ms 1620 KB Output is correct
97 Correct 2 ms 1620 KB Output is correct
98 Correct 1 ms 1620 KB Output is correct
99 Correct 1 ms 1620 KB Output is correct
100 Correct 1 ms 1620 KB Output is correct
101 Correct 11 ms 14036 KB Output is correct
102 Correct 10 ms 14036 KB Output is correct
103 Correct 132 ms 138416 KB Output is correct
104 Correct 125 ms 138412 KB Output is correct
105 Correct 116 ms 138528 KB Output is correct
106 Correct 120 ms 138532 KB Output is correct
107 Correct 121 ms 138428 KB Output is correct
108 Correct 108 ms 138532 KB Output is correct
109 Correct 93 ms 138924 KB Output is correct
110 Correct 93 ms 138932 KB Output is correct
111 Correct 125 ms 138520 KB Output is correct
112 Correct 122 ms 138460 KB Output is correct
113 Correct 104 ms 138400 KB Output is correct
114 Correct 124 ms 138436 KB Output is correct
115 Correct 117 ms 138528 KB Output is correct