# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
211176 | 2020-03-19T11:02:43 Z | wanling1212 | Arranging Shoes (IOI19_shoes) | C++14 | 308 ms | 146236 KB |
#include<bits/stdc++.h> #include "shoes.h" using namespace std; #define pb push_back #define rep(i,n) for(ll i=0;i<n;i++) #define rep1(i,n) for(ll i=1;i<=n;i++) #define mp make_pair #define F first #define S second #define pf pop_front #define IOS ios_base::sync_with_stdio(0); cin.tie(0) typedef long long ll; const ll mod=1e9+7; const ll maxn=200005; const ll inf=1e9+7; unordered_map<ll,queue<ll>> m; ll bit[maxn]; ll lsb(int x) { return x&(-x); } void add(int x,int v) { while(x<maxn) { bit[x]+=v; x+=lsb(x); } } ll query(ll x) { ll res=0; while(x) { res+=bit[x]; x-=lsb(x); } return res; } ll count_swaps(std::vector<int> s) { rep(i,s.size()) { m[s[i]].push(i); add(i+1,1); } ll sum=0; rep(i,s.size()) { if(m[-s[i]].empty()) continue; if(m[s[i]].front()!=i) continue; ll p=m[-s[i]].front(); m[-s[i]].pop(); m[s[i]].pop(); sum+=query(p)-query(i+1); if(s[i]>0) sum++; //cout<<i<<" "<<sum<<"\n"; add(p+1,-1); add(i+1,-1); } return sum; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 384 KB | Output is correct |
2 | Correct | 5 ms | 384 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 384 KB | Output is correct |
2 | Correct | 5 ms | 384 KB | Output is correct |
3 | Correct | 4 ms | 384 KB | Output is correct |
4 | Correct | 5 ms | 384 KB | Output is correct |
5 | Correct | 5 ms | 384 KB | Output is correct |
6 | Correct | 4 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 384 KB | Output is correct |
8 | Correct | 5 ms | 384 KB | Output is correct |
9 | Correct | 5 ms | 384 KB | Output is correct |
10 | Correct | 4 ms | 384 KB | Output is correct |
11 | Correct | 4 ms | 384 KB | Output is correct |
12 | Correct | 4 ms | 384 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 5 ms | 384 KB | Output is correct |
15 | Correct | 4 ms | 384 KB | Output is correct |
16 | Correct | 4 ms | 384 KB | Output is correct |
17 | Correct | 5 ms | 384 KB | Output is correct |
18 | Correct | 4 ms | 384 KB | Output is correct |
19 | Correct | 4 ms | 384 KB | Output is correct |
20 | Correct | 5 ms | 384 KB | Output is correct |
21 | Correct | 5 ms | 384 KB | Output is correct |
22 | Correct | 5 ms | 384 KB | Output is correct |
23 | Correct | 5 ms | 384 KB | Output is correct |
24 | Correct | 4 ms | 384 KB | Output is correct |
25 | Correct | 5 ms | 384 KB | Output is correct |
26 | Correct | 5 ms | 384 KB | Output is correct |
27 | Correct | 4 ms | 384 KB | Output is correct |
28 | Correct | 5 ms | 384 KB | Output is correct |
29 | Correct | 4 ms | 384 KB | Output is correct |
30 | Correct | 4 ms | 384 KB | Output is correct |
31 | Correct | 5 ms | 384 KB | Output is correct |
32 | Correct | 5 ms | 384 KB | Output is correct |
33 | Correct | 5 ms | 384 KB | Output is correct |
34 | Correct | 4 ms | 384 KB | Output is correct |
35 | Correct | 5 ms | 304 KB | Output is correct |
36 | Correct | 5 ms | 384 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 384 KB | Output is correct |
2 | Correct | 5 ms | 384 KB | Output is correct |
3 | Correct | 5 ms | 512 KB | Output is correct |
4 | Correct | 4 ms | 384 KB | Output is correct |
5 | Correct | 5 ms | 384 KB | Output is correct |
6 | Correct | 5 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 384 KB | Output is correct |
8 | Correct | 5 ms | 384 KB | Output is correct |
9 | Correct | 5 ms | 384 KB | Output is correct |
10 | Correct | 5 ms | 384 KB | Output is correct |
11 | Correct | 5 ms | 384 KB | Output is correct |
12 | Correct | 5 ms | 384 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 5 ms | 384 KB | Output is correct |
15 | Correct | 5 ms | 384 KB | Output is correct |
16 | Correct | 5 ms | 384 KB | Output is correct |
17 | Correct | 5 ms | 384 KB | Output is correct |
18 | Correct | 5 ms | 384 KB | Output is correct |
19 | Correct | 5 ms | 384 KB | Output is correct |
20 | Correct | 11 ms | 768 KB | Output is correct |
21 | Correct | 10 ms | 768 KB | Output is correct |
22 | Correct | 61 ms | 5112 KB | Output is correct |
23 | Correct | 56 ms | 5112 KB | Output is correct |
24 | Correct | 61 ms | 5112 KB | Output is correct |
25 | Correct | 66 ms | 5112 KB | Output is correct |
26 | Correct | 65 ms | 5168 KB | Output is correct |
27 | Correct | 56 ms | 5112 KB | Output is correct |
28 | Correct | 57 ms | 5112 KB | Output is correct |
29 | Correct | 56 ms | 5112 KB | Output is correct |
30 | Correct | 59 ms | 5240 KB | Output is correct |
31 | Correct | 59 ms | 5112 KB | Output is correct |
32 | Correct | 57 ms | 5240 KB | Output is correct |
33 | Correct | 53 ms | 5112 KB | Output is correct |
34 | Correct | 56 ms | 5112 KB | Output is correct |
35 | Correct | 5 ms | 384 KB | Output is correct |
36 | Correct | 6 ms | 384 KB | Output is correct |
37 | Correct | 57 ms | 5240 KB | Output is correct |
38 | Correct | 55 ms | 5112 KB | Output is correct |
39 | Correct | 58 ms | 5160 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 384 KB | Output is correct |
2 | Correct | 5 ms | 384 KB | Output is correct |
3 | Correct | 4 ms | 384 KB | Output is correct |
4 | Correct | 4 ms | 384 KB | Output is correct |
5 | Correct | 276 ms | 146108 KB | Output is correct |
6 | Correct | 108 ms | 15992 KB | Output is correct |
7 | Correct | 269 ms | 146108 KB | Output is correct |
8 | Correct | 61 ms | 5112 KB | Output is correct |
9 | Correct | 274 ms | 146108 KB | Output is correct |
10 | Correct | 221 ms | 74760 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 384 KB | Output is correct |
2 | Correct | 5 ms | 384 KB | Output is correct |
3 | Correct | 4 ms | 384 KB | Output is correct |
4 | Correct | 5 ms | 384 KB | Output is correct |
5 | Correct | 5 ms | 384 KB | Output is correct |
6 | Correct | 4 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 384 KB | Output is correct |
8 | Correct | 5 ms | 384 KB | Output is correct |
9 | Correct | 5 ms | 384 KB | Output is correct |
10 | Correct | 4 ms | 384 KB | Output is correct |
11 | Correct | 4 ms | 384 KB | Output is correct |
12 | Correct | 4 ms | 384 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 5 ms | 384 KB | Output is correct |
15 | Correct | 4 ms | 384 KB | Output is correct |
16 | Correct | 4 ms | 384 KB | Output is correct |
17 | Correct | 5 ms | 384 KB | Output is correct |
18 | Correct | 4 ms | 384 KB | Output is correct |
19 | Correct | 4 ms | 384 KB | Output is correct |
20 | Correct | 5 ms | 384 KB | Output is correct |
21 | Correct | 5 ms | 384 KB | Output is correct |
22 | Correct | 5 ms | 384 KB | Output is correct |
23 | Correct | 5 ms | 384 KB | Output is correct |
24 | Correct | 4 ms | 384 KB | Output is correct |
25 | Correct | 5 ms | 384 KB | Output is correct |
26 | Correct | 5 ms | 384 KB | Output is correct |
27 | Correct | 4 ms | 384 KB | Output is correct |
28 | Correct | 5 ms | 384 KB | Output is correct |
29 | Correct | 4 ms | 384 KB | Output is correct |
30 | Correct | 4 ms | 384 KB | Output is correct |
31 | Correct | 5 ms | 384 KB | Output is correct |
32 | Correct | 5 ms | 384 KB | Output is correct |
33 | Correct | 5 ms | 384 KB | Output is correct |
34 | Correct | 4 ms | 384 KB | Output is correct |
35 | Correct | 5 ms | 304 KB | Output is correct |
36 | Correct | 5 ms | 384 KB | Output is correct |
37 | Correct | 5 ms | 384 KB | Output is correct |
38 | Correct | 5 ms | 384 KB | Output is correct |
39 | Correct | 5 ms | 512 KB | Output is correct |
40 | Correct | 5 ms | 640 KB | Output is correct |
41 | Correct | 8 ms | 1792 KB | Output is correct |
42 | Correct | 8 ms | 1792 KB | Output is correct |
43 | Correct | 6 ms | 1664 KB | Output is correct |
44 | Correct | 8 ms | 1408 KB | Output is correct |
45 | Correct | 6 ms | 1280 KB | Output is correct |
46 | Correct | 6 ms | 1152 KB | Output is correct |
47 | Correct | 5 ms | 1024 KB | Output is correct |
48 | Correct | 5 ms | 768 KB | Output is correct |
49 | Correct | 5 ms | 640 KB | Output is correct |
50 | Correct | 5 ms | 384 KB | Output is correct |
51 | Correct | 5 ms | 384 KB | Output is correct |
52 | Correct | 6 ms | 1792 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 384 KB | Output is correct |
2 | Correct | 5 ms | 384 KB | Output is correct |
3 | Correct | 4 ms | 384 KB | Output is correct |
4 | Correct | 5 ms | 384 KB | Output is correct |
5 | Correct | 5 ms | 384 KB | Output is correct |
6 | Correct | 4 ms | 384 KB | Output is correct |
7 | Correct | 5 ms | 384 KB | Output is correct |
8 | Correct | 5 ms | 384 KB | Output is correct |
9 | Correct | 5 ms | 384 KB | Output is correct |
10 | Correct | 4 ms | 384 KB | Output is correct |
11 | Correct | 4 ms | 384 KB | Output is correct |
12 | Correct | 4 ms | 384 KB | Output is correct |
13 | Correct | 5 ms | 384 KB | Output is correct |
14 | Correct | 5 ms | 384 KB | Output is correct |
15 | Correct | 4 ms | 384 KB | Output is correct |
16 | Correct | 4 ms | 384 KB | Output is correct |
17 | Correct | 5 ms | 384 KB | Output is correct |
18 | Correct | 4 ms | 384 KB | Output is correct |
19 | Correct | 4 ms | 384 KB | Output is correct |
20 | Correct | 5 ms | 384 KB | Output is correct |
21 | Correct | 5 ms | 384 KB | Output is correct |
22 | Correct | 5 ms | 384 KB | Output is correct |
23 | Correct | 5 ms | 384 KB | Output is correct |
24 | Correct | 4 ms | 384 KB | Output is correct |
25 | Correct | 5 ms | 384 KB | Output is correct |
26 | Correct | 5 ms | 384 KB | Output is correct |
27 | Correct | 4 ms | 384 KB | Output is correct |
28 | Correct | 5 ms | 384 KB | Output is correct |
29 | Correct | 4 ms | 384 KB | Output is correct |
30 | Correct | 4 ms | 384 KB | Output is correct |
31 | Correct | 5 ms | 384 KB | Output is correct |
32 | Correct | 5 ms | 384 KB | Output is correct |
33 | Correct | 5 ms | 384 KB | Output is correct |
34 | Correct | 4 ms | 384 KB | Output is correct |
35 | Correct | 5 ms | 304 KB | Output is correct |
36 | Correct | 5 ms | 384 KB | Output is correct |
37 | Correct | 5 ms | 512 KB | Output is correct |
38 | Correct | 4 ms | 384 KB | Output is correct |
39 | Correct | 5 ms | 384 KB | Output is correct |
40 | Correct | 5 ms | 384 KB | Output is correct |
41 | Correct | 5 ms | 384 KB | Output is correct |
42 | Correct | 5 ms | 384 KB | Output is correct |
43 | Correct | 5 ms | 384 KB | Output is correct |
44 | Correct | 5 ms | 384 KB | Output is correct |
45 | Correct | 5 ms | 384 KB | Output is correct |
46 | Correct | 5 ms | 384 KB | Output is correct |
47 | Correct | 5 ms | 384 KB | Output is correct |
48 | Correct | 5 ms | 384 KB | Output is correct |
49 | Correct | 5 ms | 384 KB | Output is correct |
50 | Correct | 5 ms | 384 KB | Output is correct |
51 | Correct | 5 ms | 384 KB | Output is correct |
52 | Correct | 5 ms | 384 KB | Output is correct |
53 | Correct | 5 ms | 384 KB | Output is correct |
54 | Correct | 11 ms | 768 KB | Output is correct |
55 | Correct | 10 ms | 768 KB | Output is correct |
56 | Correct | 61 ms | 5112 KB | Output is correct |
57 | Correct | 56 ms | 5112 KB | Output is correct |
58 | Correct | 61 ms | 5112 KB | Output is correct |
59 | Correct | 66 ms | 5112 KB | Output is correct |
60 | Correct | 65 ms | 5168 KB | Output is correct |
61 | Correct | 56 ms | 5112 KB | Output is correct |
62 | Correct | 57 ms | 5112 KB | Output is correct |
63 | Correct | 56 ms | 5112 KB | Output is correct |
64 | Correct | 59 ms | 5240 KB | Output is correct |
65 | Correct | 59 ms | 5112 KB | Output is correct |
66 | Correct | 57 ms | 5240 KB | Output is correct |
67 | Correct | 53 ms | 5112 KB | Output is correct |
68 | Correct | 56 ms | 5112 KB | Output is correct |
69 | Correct | 5 ms | 384 KB | Output is correct |
70 | Correct | 6 ms | 384 KB | Output is correct |
71 | Correct | 57 ms | 5240 KB | Output is correct |
72 | Correct | 55 ms | 5112 KB | Output is correct |
73 | Correct | 58 ms | 5160 KB | Output is correct |
74 | Correct | 5 ms | 384 KB | Output is correct |
75 | Correct | 5 ms | 384 KB | Output is correct |
76 | Correct | 4 ms | 384 KB | Output is correct |
77 | Correct | 4 ms | 384 KB | Output is correct |
78 | Correct | 276 ms | 146108 KB | Output is correct |
79 | Correct | 108 ms | 15992 KB | Output is correct |
80 | Correct | 269 ms | 146108 KB | Output is correct |
81 | Correct | 61 ms | 5112 KB | Output is correct |
82 | Correct | 274 ms | 146108 KB | Output is correct |
83 | Correct | 221 ms | 74760 KB | Output is correct |
84 | Correct | 5 ms | 384 KB | Output is correct |
85 | Correct | 5 ms | 384 KB | Output is correct |
86 | Correct | 5 ms | 512 KB | Output is correct |
87 | Correct | 5 ms | 640 KB | Output is correct |
88 | Correct | 8 ms | 1792 KB | Output is correct |
89 | Correct | 8 ms | 1792 KB | Output is correct |
90 | Correct | 6 ms | 1664 KB | Output is correct |
91 | Correct | 8 ms | 1408 KB | Output is correct |
92 | Correct | 6 ms | 1280 KB | Output is correct |
93 | Correct | 6 ms | 1152 KB | Output is correct |
94 | Correct | 5 ms | 1024 KB | Output is correct |
95 | Correct | 5 ms | 768 KB | Output is correct |
96 | Correct | 5 ms | 640 KB | Output is correct |
97 | Correct | 5 ms | 384 KB | Output is correct |
98 | Correct | 5 ms | 384 KB | Output is correct |
99 | Correct | 6 ms | 1792 KB | Output is correct |
100 | Correct | 6 ms | 1792 KB | Output is correct |
101 | Correct | 27 ms | 13568 KB | Output is correct |
102 | Correct | 14 ms | 3456 KB | Output is correct |
103 | Correct | 308 ms | 146108 KB | Output is correct |
104 | Correct | 261 ms | 146108 KB | Output is correct |
105 | Correct | 245 ms | 85308 KB | Output is correct |
106 | Correct | 270 ms | 146116 KB | Output is correct |
107 | Correct | 127 ms | 19320 KB | Output is correct |
108 | Correct | 157 ms | 35372 KB | Output is correct |
109 | Correct | 56 ms | 5132 KB | Output is correct |
110 | Correct | 55 ms | 5120 KB | Output is correct |
111 | Correct | 267 ms | 130364 KB | Output is correct |
112 | Correct | 291 ms | 114996 KB | Output is correct |
113 | Correct | 128 ms | 21220 KB | Output is correct |
114 | Correct | 264 ms | 146096 KB | Output is correct |
115 | Correct | 296 ms | 146236 KB | Output is correct |