# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
960508 | 2024-04-10T14:40:53 Z | vjudge1 | Arranging Shoes (IOI19_shoes) | C++17 | 236 ms | 27464 KB |
#include "shoes.h" #include <bits/stdc++.h> #define ll long long using namespace std; #define all(v) v.begin(),v.end() #define pb push_back struct FWT{ vector<int> bit; FWT(int n){ bit.resize(n + 69); } int lsb(int i){ return (-i) & i; } void modify(int i,int v){ for(i++;i<bit.size();i += lsb(i))bit[i] += v; } int query(int i){ int ans = 0; for(i++;i;i -= lsb(i))ans += bit[i]; return ans; } }; ll count_swaps(vector<int> A) { int n = A.size(); map<int,vector<int> > ind; for(int i = 0;i<n;i++)ind[A[i]].pb(i); for(auto &u : ind)reverse(u.second.begin(), u.second.end()); int o[n]; memset(o, -1, sizeof o); for(int i = 0;i<n;i++){ if(o[i] != -1)continue; if(A[i] < 0){ o[i] = 2 * i + 1; o[ind[-A[i]].back()] = 2 * i + 2; }else{ o[i] = 2 * i + 2; o[ind[-A[i]].back()] = 2 * i + 1; } ind[A[i]].pop_back(); ind[-A[i]].pop_back(); } int ans = 0; FWT fwt(2 * n); for(int i = n-1;i>=0;i--){ ans += fwt.query(o[i] - 1); fwt.modify(o[i], 1); } return ans; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 344 KB | Output is correct |
2 | Correct | 0 ms | 600 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 344 KB | Output is correct |
2 | Correct | 0 ms | 600 KB | Output is correct |
3 | Correct | 1 ms | 348 KB | Output is correct |
4 | Correct | 1 ms | 344 KB | Output is correct |
5 | Correct | 0 ms | 348 KB | Output is correct |
6 | Correct | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 0 ms | 344 KB | Output is correct |
9 | Correct | 0 ms | 348 KB | Output is correct |
10 | Correct | 0 ms | 348 KB | Output is correct |
11 | Correct | 0 ms | 348 KB | Output is correct |
12 | Correct | 0 ms | 348 KB | Output is correct |
13 | Correct | 0 ms | 348 KB | Output is correct |
14 | Correct | 0 ms | 348 KB | Output is correct |
15 | Correct | 0 ms | 348 KB | Output is correct |
16 | Correct | 1 ms | 348 KB | Output is correct |
17 | Correct | 0 ms | 348 KB | Output is correct |
18 | Correct | 1 ms | 432 KB | Output is correct |
19 | Correct | 1 ms | 504 KB | Output is correct |
20 | Correct | 1 ms | 348 KB | Output is correct |
21 | Correct | 0 ms | 348 KB | Output is correct |
22 | Correct | 1 ms | 348 KB | Output is correct |
23 | Correct | 0 ms | 348 KB | Output is correct |
24 | Correct | 0 ms | 348 KB | Output is correct |
25 | Correct | 0 ms | 348 KB | Output is correct |
26 | Correct | 0 ms | 348 KB | Output is correct |
27 | Correct | 0 ms | 348 KB | Output is correct |
28 | Correct | 1 ms | 348 KB | Output is correct |
29 | Correct | 0 ms | 348 KB | Output is correct |
30 | Correct | 1 ms | 348 KB | Output is correct |
31 | Correct | 1 ms | 348 KB | Output is correct |
32 | Correct | 0 ms | 348 KB | Output is correct |
33 | Correct | 1 ms | 348 KB | Output is correct |
34 | Correct | 1 ms | 348 KB | Output is correct |
35 | Correct | 0 ms | 348 KB | Output is correct |
36 | Correct | 1 ms | 348 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 344 KB | Output is correct |
2 | Correct | 0 ms | 600 KB | Output is correct |
3 | Correct | 0 ms | 344 KB | Output is correct |
4 | Correct | 0 ms | 344 KB | Output is correct |
5 | Correct | 1 ms | 348 KB | Output is correct |
6 | Correct | 0 ms | 348 KB | Output is correct |
7 | Correct | 1 ms | 348 KB | Output is correct |
8 | Correct | 1 ms | 348 KB | Output is correct |
9 | Correct | 1 ms | 344 KB | Output is correct |
10 | Correct | 0 ms | 348 KB | Output is correct |
11 | Correct | 1 ms | 344 KB | Output is correct |
12 | Correct | 1 ms | 348 KB | Output is correct |
13 | Correct | 1 ms | 348 KB | Output is correct |
14 | Correct | 1 ms | 348 KB | Output is correct |
15 | Correct | 0 ms | 348 KB | Output is correct |
16 | Correct | 1 ms | 348 KB | Output is correct |
17 | Correct | 1 ms | 344 KB | Output is correct |
18 | Correct | 1 ms | 348 KB | Output is correct |
19 | Correct | 1 ms | 344 KB | Output is correct |
20 | Correct | 3 ms | 1216 KB | Output is correct |
21 | Correct | 3 ms | 872 KB | Output is correct |
22 | Correct | 27 ms | 6516 KB | Output is correct |
23 | Correct | 21 ms | 6600 KB | Output is correct |
24 | Correct | 25 ms | 6340 KB | Output is correct |
25 | Incorrect | 19 ms | 6224 KB | Output isn't correct |
26 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 348 KB | Output is correct |
2 | Correct | 0 ms | 436 KB | Output is correct |
3 | Correct | 0 ms | 348 KB | Output is correct |
4 | Correct | 0 ms | 348 KB | Output is correct |
5 | Incorrect | 236 ms | 27464 KB | Output isn't correct |
6 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 344 KB | Output is correct |
2 | Correct | 0 ms | 600 KB | Output is correct |
3 | Correct | 1 ms | 348 KB | Output is correct |
4 | Correct | 1 ms | 344 KB | Output is correct |
5 | Correct | 0 ms | 348 KB | Output is correct |
6 | Correct | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 0 ms | 344 KB | Output is correct |
9 | Correct | 0 ms | 348 KB | Output is correct |
10 | Correct | 0 ms | 348 KB | Output is correct |
11 | Correct | 0 ms | 348 KB | Output is correct |
12 | Correct | 0 ms | 348 KB | Output is correct |
13 | Correct | 0 ms | 348 KB | Output is correct |
14 | Correct | 0 ms | 348 KB | Output is correct |
15 | Correct | 0 ms | 348 KB | Output is correct |
16 | Correct | 1 ms | 348 KB | Output is correct |
17 | Correct | 0 ms | 348 KB | Output is correct |
18 | Correct | 1 ms | 432 KB | Output is correct |
19 | Correct | 1 ms | 504 KB | Output is correct |
20 | Correct | 1 ms | 348 KB | Output is correct |
21 | Correct | 0 ms | 348 KB | Output is correct |
22 | Correct | 1 ms | 348 KB | Output is correct |
23 | Correct | 0 ms | 348 KB | Output is correct |
24 | Correct | 0 ms | 348 KB | Output is correct |
25 | Correct | 0 ms | 348 KB | Output is correct |
26 | Correct | 0 ms | 348 KB | Output is correct |
27 | Correct | 0 ms | 348 KB | Output is correct |
28 | Correct | 1 ms | 348 KB | Output is correct |
29 | Correct | 0 ms | 348 KB | Output is correct |
30 | Correct | 1 ms | 348 KB | Output is correct |
31 | Correct | 1 ms | 348 KB | Output is correct |
32 | Correct | 0 ms | 348 KB | Output is correct |
33 | Correct | 1 ms | 348 KB | Output is correct |
34 | Correct | 1 ms | 348 KB | Output is correct |
35 | Correct | 0 ms | 348 KB | Output is correct |
36 | Correct | 1 ms | 348 KB | Output is correct |
37 | Correct | 0 ms | 348 KB | Output is correct |
38 | Correct | 0 ms | 348 KB | Output is correct |
39 | Correct | 0 ms | 348 KB | Output is correct |
40 | Correct | 1 ms | 348 KB | Output is correct |
41 | Correct | 1 ms | 600 KB | Output is correct |
42 | Correct | 1 ms | 600 KB | Output is correct |
43 | Correct | 1 ms | 600 KB | Output is correct |
44 | Correct | 1 ms | 604 KB | Output is correct |
45 | Correct | 1 ms | 604 KB | Output is correct |
46 | Correct | 1 ms | 348 KB | Output is correct |
47 | Correct | 1 ms | 448 KB | Output is correct |
48 | Correct | 1 ms | 344 KB | Output is correct |
49 | Correct | 1 ms | 604 KB | Output is correct |
50 | Correct | 1 ms | 348 KB | Output is correct |
51 | Correct | 1 ms | 344 KB | Output is correct |
52 | Correct | 1 ms | 604 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 344 KB | Output is correct |
2 | Correct | 0 ms | 600 KB | Output is correct |
3 | Correct | 1 ms | 348 KB | Output is correct |
4 | Correct | 1 ms | 344 KB | Output is correct |
5 | Correct | 0 ms | 348 KB | Output is correct |
6 | Correct | 1 ms | 348 KB | Output is correct |
7 | Correct | 0 ms | 348 KB | Output is correct |
8 | Correct | 0 ms | 344 KB | Output is correct |
9 | Correct | 0 ms | 348 KB | Output is correct |
10 | Correct | 0 ms | 348 KB | Output is correct |
11 | Correct | 0 ms | 348 KB | Output is correct |
12 | Correct | 0 ms | 348 KB | Output is correct |
13 | Correct | 0 ms | 348 KB | Output is correct |
14 | Correct | 0 ms | 348 KB | Output is correct |
15 | Correct | 0 ms | 348 KB | Output is correct |
16 | Correct | 1 ms | 348 KB | Output is correct |
17 | Correct | 0 ms | 348 KB | Output is correct |
18 | Correct | 1 ms | 432 KB | Output is correct |
19 | Correct | 1 ms | 504 KB | Output is correct |
20 | Correct | 1 ms | 348 KB | Output is correct |
21 | Correct | 0 ms | 348 KB | Output is correct |
22 | Correct | 1 ms | 348 KB | Output is correct |
23 | Correct | 0 ms | 348 KB | Output is correct |
24 | Correct | 0 ms | 348 KB | Output is correct |
25 | Correct | 0 ms | 348 KB | Output is correct |
26 | Correct | 0 ms | 348 KB | Output is correct |
27 | Correct | 0 ms | 348 KB | Output is correct |
28 | Correct | 1 ms | 348 KB | Output is correct |
29 | Correct | 0 ms | 348 KB | Output is correct |
30 | Correct | 1 ms | 348 KB | Output is correct |
31 | Correct | 1 ms | 348 KB | Output is correct |
32 | Correct | 0 ms | 348 KB | Output is correct |
33 | Correct | 1 ms | 348 KB | Output is correct |
34 | Correct | 1 ms | 348 KB | Output is correct |
35 | Correct | 0 ms | 348 KB | Output is correct |
36 | Correct | 1 ms | 348 KB | Output is correct |
37 | Correct | 0 ms | 344 KB | Output is correct |
38 | Correct | 0 ms | 344 KB | Output is correct |
39 | Correct | 1 ms | 348 KB | Output is correct |
40 | Correct | 0 ms | 348 KB | Output is correct |
41 | Correct | 1 ms | 348 KB | Output is correct |
42 | Correct | 1 ms | 348 KB | Output is correct |
43 | Correct | 1 ms | 344 KB | Output is correct |
44 | Correct | 0 ms | 348 KB | Output is correct |
45 | Correct | 1 ms | 344 KB | Output is correct |
46 | Correct | 1 ms | 348 KB | Output is correct |
47 | Correct | 1 ms | 348 KB | Output is correct |
48 | Correct | 1 ms | 348 KB | Output is correct |
49 | Correct | 0 ms | 348 KB | Output is correct |
50 | Correct | 1 ms | 348 KB | Output is correct |
51 | Correct | 1 ms | 344 KB | Output is correct |
52 | Correct | 1 ms | 348 KB | Output is correct |
53 | Correct | 1 ms | 344 KB | Output is correct |
54 | Correct | 3 ms | 1216 KB | Output is correct |
55 | Correct | 3 ms | 872 KB | Output is correct |
56 | Correct | 27 ms | 6516 KB | Output is correct |
57 | Correct | 21 ms | 6600 KB | Output is correct |
58 | Correct | 25 ms | 6340 KB | Output is correct |
59 | Incorrect | 19 ms | 6224 KB | Output isn't correct |
60 | Halted | 0 ms | 0 KB | - |