oj.uz

Submission #257751

# Submission time Handle Problem Language Result Execution time Memory
257751 2020-08-04T17:17:12 Z peti1234 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 76 ms 12536 KB 
#include <bits/stdc++.h>

using namespace std;
#define lsb(i) ((i) & -(i))
const int c=200002;
int n, t[c], p[c], k;
long long ans;
vector<int> sz[c];
vector<int> x;
int ask(int a) {
    int sum=0;
    while(a) sum+=t[a], a-=lsb(a);
    return sum;
}
int add(int a) {
    while(a<=n) t[a]++, a+=lsb(a);
}
long long count_swaps(vector<int> s) {
    n=s.size(), k=n/2;
    for (int i=0; i<n; i++) {
        int x=s[i], y=abs(x)+k, h=i+1;
        if (x<0) x*=-1, swap(x, y);
        if(sz[y].size()>p[y]) {
            int pos=sz[y][p[y]];
            p[y]++;
            if (x>k) ans++;
            ans+=ask(h)-ask(pos);
            add(pos);
        } else sz[x].push_back(h), add(h);
    }
    return ans;
}
/*
int main()
{
    cin >> n;
    for (int i=0; i<2*n; i++) {
        int a; cin >> a;
        x.push_back(a);
    }
    cout << count_swaps(x);
    return 0;
}
*/

Compilation message

shoes.cpp: In function 'int add(int)':
shoes.cpp:17:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:23:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(sz[y].size()>p[y]) {
            ~~~~~~~~~~~~^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 3 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 3 ms 4992 KB Output is correct
8 Correct 3 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 5 ms 5012 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 3 ms 4992 KB Output is correct
22 Correct 3 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 3 ms 4992 KB Output is correct
6 Correct 3 ms 4968 KB Output is correct
7 Correct 3 ms 4992 KB Output is correct
8 Correct 3 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 8 ms 5504 KB Output is correct
21 Correct 7 ms 5504 KB Output is correct
22 Correct 40 ms 9192 KB Output is correct
23 Correct 40 ms 9200 KB Output is correct
24 Correct 53 ms 9096 KB Output is correct
25 Correct 36 ms 8564 KB Output is correct
26 Correct 41 ms 9200 KB Output is correct
27 Correct 37 ms 8944 KB Output is correct
28 Correct 38 ms 8820 KB Output is correct
29 Correct 38 ms 8820 KB Output is correct
30 Correct 37 ms 8820 KB Output is correct
31 Correct 43 ms 9200 KB Output is correct
32 Correct 38 ms 8820 KB Output is correct
33 Correct 37 ms 8564 KB Output is correct
34 Correct 37 ms 8828 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct
37 Correct 37 ms 8820 KB Output is correct
38 Correct 36 ms 8828 KB Output is correct
39 Correct 38 ms 8820 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 58 ms 11768 KB Output is correct
6 Correct 51 ms 9460 KB Output is correct
7 Correct 56 ms 11768 KB Output is correct
8 Correct 39 ms 8760 KB Output is correct
9 Correct 55 ms 11768 KB Output is correct
10 Correct 58 ms 10232 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 3 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 3 ms 4992 KB Output is correct
8 Correct 3 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 5 ms 5012 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 3 ms 4992 KB Output is correct
22 Correct 3 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct
37 Correct 3 ms 4992 KB Output is correct
38 Correct 3 ms 4992 KB Output is correct
39 Correct 3 ms 4992 KB Output is correct
40 Correct 3 ms 4992 KB Output is correct
41 Correct 4 ms 5120 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 3 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 3 ms 4992 KB Output is correct
48 Correct 3 ms 4992 KB Output is correct
49 Correct 4 ms 4992 KB Output is correct
50 Correct 4 ms 4992 KB Output is correct
51 Correct 4 ms 4992 KB Output is correct
52 Correct 3 ms 5120 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 3 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 3 ms 4992 KB Output is correct
8 Correct 3 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 5 ms 5012 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 4992 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 3 ms 4992 KB Output is correct
22 Correct 3 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct
37 Correct 3 ms 4992 KB Output is correct
38 Correct 4 ms 4992 KB Output is correct
39 Correct 3 ms 4992 KB Output is correct
40 Correct 3 ms 4968 KB Output is correct
41 Correct 3 ms 4992 KB Output is correct
42 Correct 3 ms 4992 KB Output is correct
43 Correct 4 ms 4992 KB Output is correct
44 Correct 3 ms 4992 KB Output is correct
45 Correct 3 ms 4992 KB Output is correct
46 Correct 3 ms 4992 KB Output is correct
47 Correct 3 ms 4992 KB Output is correct
48 Correct 3 ms 4992 KB Output is correct
49 Correct 3 ms 4992 KB Output is correct
50 Correct 3 ms 4992 KB Output is correct
51 Correct 3 ms 4992 KB Output is correct
52 Correct 3 ms 4992 KB Output is correct
53 Correct 4 ms 4992 KB Output is correct
54 Correct 8 ms 5504 KB Output is correct
55 Correct 7 ms 5504 KB Output is correct
56 Correct 40 ms 9192 KB Output is correct
57 Correct 40 ms 9200 KB Output is correct
58 Correct 53 ms 9096 KB Output is correct
59 Correct 36 ms 8564 KB Output is correct
60 Correct 41 ms 9200 KB Output is correct
61 Correct 37 ms 8944 KB Output is correct
62 Correct 38 ms 8820 KB Output is correct
63 Correct 38 ms 8820 KB Output is correct
64 Correct 37 ms 8820 KB Output is correct
65 Correct 43 ms 9200 KB Output is correct
66 Correct 38 ms 8820 KB Output is correct
67 Correct 37 ms 8564 KB Output is correct
68 Correct 37 ms 8828 KB Output is correct
69 Correct 3 ms 4992 KB Output is correct
70 Correct 3 ms 4992 KB Output is correct
71 Correct 37 ms 8820 KB Output is correct
72 Correct 36 ms 8828 KB Output is correct
73 Correct 38 ms 8820 KB Output is correct
74 Correct 3 ms 4992 KB Output is correct
75 Correct 3 ms 4992 KB Output is correct
76 Correct 3 ms 4992 KB Output is correct
77 Correct 3 ms 4992 KB Output is correct
78 Correct 58 ms 11768 KB Output is correct
79 Correct 51 ms 9460 KB Output is correct
80 Correct 56 ms 11768 KB Output is correct
81 Correct 39 ms 8760 KB Output is correct
82 Correct 55 ms 11768 KB Output is correct
83 Correct 58 ms 10232 KB Output is correct
84 Correct 3 ms 4992 KB Output is correct
85 Correct 3 ms 4992 KB Output is correct
86 Correct 3 ms 4992 KB Output is correct
87 Correct 3 ms 4992 KB Output is correct
88 Correct 4 ms 5120 KB Output is correct
89 Correct 4 ms 5120 KB Output is correct
90 Correct 4 ms 5120 KB Output is correct
91 Correct 4 ms 5120 KB Output is correct
92 Correct 3 ms 5120 KB Output is correct
93 Correct 4 ms 5120 KB Output is correct
94 Correct 3 ms 4992 KB Output is correct
95 Correct 3 ms 4992 KB Output is correct
96 Correct 4 ms 4992 KB Output is correct
97 Correct 4 ms 4992 KB Output is correct
98 Correct 4 ms 4992 KB Output is correct
99 Correct 3 ms 5120 KB Output is correct
100 Correct 4 ms 5120 KB Output is correct
101 Correct 8 ms 5760 KB Output is correct
102 Correct 8 ms 5504 KB Output is correct
103 Correct 76 ms 12536 KB Output is correct
104 Correct 58 ms 12152 KB Output is correct
105 Correct 67 ms 11768 KB Output is correct
106 Correct 60 ms 11768 KB Output is correct
107 Correct 53 ms 9848 KB Output is correct
108 Correct 61 ms 9940 KB Output is correct
109 Correct 38 ms 8820 KB Output is correct
110 Correct 39 ms 8784 KB Output is correct
111 Correct 59 ms 11384 KB Output is correct
112 Correct 68 ms 11768 KB Output is correct
113 Correct 62 ms 9464 KB Output is correct
114 Correct 62 ms 11768 KB Output is correct
115 Correct 64 ms 11788 KB Output is correct