#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n,cnt,g;
int a[200005],c[200005],t[800005];
queue <int> wi[200005];
int query(int x,int l,int r,int rl,int rr) {
if(rl > r||l > rr) return 0;
if(rl <= l&&r <= rr) return t[x];
int mid = (l + r) >> 1;
return query(x*2,l,mid,rl,rr)+query(x*2+1,mid+1,r,rl,rr);
}
void update(int x,int l,int r,int wi) {
if(wi < l||r < wi) return;
if(l == r) {
t[x] = 1; return;
}
int mid = (l + r) >> 1;
update(x*2,l,mid,wi), update(x*2+1,mid+1,r,wi);
t[x] = t[x*2]+t[x*2+1];
}
ll count_swaps(vector <int> s) {
n = s.size(); n /= 2;
for(int i = 1;i <= 2*n;i++) a[i] = s[i-1];
for(int i = 1;i <= 2*n;i++) {
wi[a[i]+n].push(i);
}
ll ans = 0;
for(int i = 1;i <= 2*n;i++) {
if(c[i]) continue;
int x = a[i];
//cout << i << ' ' << wi[-x+n].front() << '\n';
if(x < 0) {
ans += wi[-x+n].front()-i-query(1,1,2*n,i+1,wi[-x+n].front())-1;
}
else {
ans += wi[-x+n].front()-i-query(1,1,2*n,i+1,wi[-x+n].front());
}
update(1,1,2*n,wi[-x+n].front());
update(1,1,2*n,i);
c[i] = c[wi[-x+n].front()] = 1;
wi[-x+n].pop();
wi[x+n].pop();
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
134860 KB |
Output is correct |
2 |
Correct |
75 ms |
134848 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
134860 KB |
Output is correct |
2 |
Correct |
75 ms |
134848 KB |
Output is correct |
3 |
Correct |
87 ms |
134888 KB |
Output is correct |
4 |
Correct |
88 ms |
134924 KB |
Output is correct |
5 |
Correct |
76 ms |
134940 KB |
Output is correct |
6 |
Correct |
79 ms |
134944 KB |
Output is correct |
7 |
Correct |
77 ms |
134860 KB |
Output is correct |
8 |
Correct |
76 ms |
134900 KB |
Output is correct |
9 |
Correct |
88 ms |
134908 KB |
Output is correct |
10 |
Correct |
81 ms |
134860 KB |
Output is correct |
11 |
Correct |
79 ms |
134868 KB |
Output is correct |
12 |
Correct |
80 ms |
134860 KB |
Output is correct |
13 |
Correct |
80 ms |
134848 KB |
Output is correct |
14 |
Correct |
79 ms |
134876 KB |
Output is correct |
15 |
Correct |
86 ms |
134840 KB |
Output is correct |
16 |
Correct |
79 ms |
134860 KB |
Output is correct |
17 |
Correct |
80 ms |
134860 KB |
Output is correct |
18 |
Correct |
80 ms |
134840 KB |
Output is correct |
19 |
Correct |
76 ms |
134860 KB |
Output is correct |
20 |
Correct |
78 ms |
134988 KB |
Output is correct |
21 |
Correct |
79 ms |
134920 KB |
Output is correct |
22 |
Correct |
84 ms |
134940 KB |
Output is correct |
23 |
Correct |
78 ms |
134868 KB |
Output is correct |
24 |
Correct |
75 ms |
134896 KB |
Output is correct |
25 |
Correct |
79 ms |
134860 KB |
Output is correct |
26 |
Correct |
86 ms |
134860 KB |
Output is correct |
27 |
Correct |
78 ms |
134936 KB |
Output is correct |
28 |
Correct |
78 ms |
134872 KB |
Output is correct |
29 |
Correct |
80 ms |
134844 KB |
Output is correct |
30 |
Correct |
81 ms |
134844 KB |
Output is correct |
31 |
Correct |
81 ms |
134840 KB |
Output is correct |
32 |
Correct |
77 ms |
134860 KB |
Output is correct |
33 |
Correct |
78 ms |
134912 KB |
Output is correct |
34 |
Correct |
78 ms |
135036 KB |
Output is correct |
35 |
Correct |
84 ms |
134920 KB |
Output is correct |
36 |
Correct |
91 ms |
134864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
134860 KB |
Output is correct |
2 |
Correct |
75 ms |
134848 KB |
Output is correct |
3 |
Correct |
78 ms |
134948 KB |
Output is correct |
4 |
Correct |
81 ms |
134928 KB |
Output is correct |
5 |
Correct |
78 ms |
134860 KB |
Output is correct |
6 |
Correct |
81 ms |
134892 KB |
Output is correct |
7 |
Correct |
77 ms |
134860 KB |
Output is correct |
8 |
Correct |
76 ms |
134852 KB |
Output is correct |
9 |
Correct |
77 ms |
134944 KB |
Output is correct |
10 |
Correct |
78 ms |
134932 KB |
Output is correct |
11 |
Correct |
79 ms |
134888 KB |
Output is correct |
12 |
Correct |
86 ms |
134836 KB |
Output is correct |
13 |
Correct |
78 ms |
134920 KB |
Output is correct |
14 |
Correct |
86 ms |
134932 KB |
Output is correct |
15 |
Correct |
90 ms |
134904 KB |
Output is correct |
16 |
Correct |
83 ms |
134860 KB |
Output is correct |
17 |
Correct |
85 ms |
134860 KB |
Output is correct |
18 |
Correct |
86 ms |
134904 KB |
Output is correct |
19 |
Correct |
95 ms |
134972 KB |
Output is correct |
20 |
Correct |
101 ms |
135608 KB |
Output is correct |
21 |
Correct |
98 ms |
135644 KB |
Output is correct |
22 |
Correct |
162 ms |
142184 KB |
Output is correct |
23 |
Correct |
157 ms |
142164 KB |
Output is correct |
24 |
Correct |
161 ms |
142152 KB |
Output is correct |
25 |
Correct |
193 ms |
142028 KB |
Output is correct |
26 |
Correct |
169 ms |
142212 KB |
Output is correct |
27 |
Correct |
194 ms |
141976 KB |
Output is correct |
28 |
Correct |
165 ms |
142116 KB |
Output is correct |
29 |
Correct |
163 ms |
142108 KB |
Output is correct |
30 |
Correct |
165 ms |
142100 KB |
Output is correct |
31 |
Correct |
164 ms |
142168 KB |
Output is correct |
32 |
Correct |
149 ms |
142136 KB |
Output is correct |
33 |
Correct |
152 ms |
141984 KB |
Output is correct |
34 |
Correct |
154 ms |
142116 KB |
Output is correct |
35 |
Correct |
79 ms |
134860 KB |
Output is correct |
36 |
Correct |
76 ms |
134932 KB |
Output is correct |
37 |
Correct |
150 ms |
142104 KB |
Output is correct |
38 |
Correct |
169 ms |
142140 KB |
Output is correct |
39 |
Correct |
156 ms |
142200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
134844 KB |
Output is correct |
2 |
Correct |
86 ms |
134860 KB |
Output is correct |
3 |
Correct |
81 ms |
134860 KB |
Output is correct |
4 |
Correct |
76 ms |
134896 KB |
Output is correct |
5 |
Correct |
184 ms |
141376 KB |
Output is correct |
6 |
Correct |
166 ms |
141260 KB |
Output is correct |
7 |
Correct |
179 ms |
141304 KB |
Output is correct |
8 |
Correct |
158 ms |
142144 KB |
Output is correct |
9 |
Correct |
215 ms |
141352 KB |
Output is correct |
10 |
Correct |
189 ms |
141260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
134860 KB |
Output is correct |
2 |
Correct |
75 ms |
134848 KB |
Output is correct |
3 |
Correct |
87 ms |
134888 KB |
Output is correct |
4 |
Correct |
88 ms |
134924 KB |
Output is correct |
5 |
Correct |
76 ms |
134940 KB |
Output is correct |
6 |
Correct |
79 ms |
134944 KB |
Output is correct |
7 |
Correct |
77 ms |
134860 KB |
Output is correct |
8 |
Correct |
76 ms |
134900 KB |
Output is correct |
9 |
Correct |
88 ms |
134908 KB |
Output is correct |
10 |
Correct |
81 ms |
134860 KB |
Output is correct |
11 |
Correct |
79 ms |
134868 KB |
Output is correct |
12 |
Correct |
80 ms |
134860 KB |
Output is correct |
13 |
Correct |
80 ms |
134848 KB |
Output is correct |
14 |
Correct |
79 ms |
134876 KB |
Output is correct |
15 |
Correct |
86 ms |
134840 KB |
Output is correct |
16 |
Correct |
79 ms |
134860 KB |
Output is correct |
17 |
Correct |
80 ms |
134860 KB |
Output is correct |
18 |
Correct |
80 ms |
134840 KB |
Output is correct |
19 |
Correct |
76 ms |
134860 KB |
Output is correct |
20 |
Correct |
78 ms |
134988 KB |
Output is correct |
21 |
Correct |
79 ms |
134920 KB |
Output is correct |
22 |
Correct |
84 ms |
134940 KB |
Output is correct |
23 |
Correct |
78 ms |
134868 KB |
Output is correct |
24 |
Correct |
75 ms |
134896 KB |
Output is correct |
25 |
Correct |
79 ms |
134860 KB |
Output is correct |
26 |
Correct |
86 ms |
134860 KB |
Output is correct |
27 |
Correct |
78 ms |
134936 KB |
Output is correct |
28 |
Correct |
78 ms |
134872 KB |
Output is correct |
29 |
Correct |
80 ms |
134844 KB |
Output is correct |
30 |
Correct |
81 ms |
134844 KB |
Output is correct |
31 |
Correct |
81 ms |
134840 KB |
Output is correct |
32 |
Correct |
77 ms |
134860 KB |
Output is correct |
33 |
Correct |
78 ms |
134912 KB |
Output is correct |
34 |
Correct |
78 ms |
135036 KB |
Output is correct |
35 |
Correct |
84 ms |
134920 KB |
Output is correct |
36 |
Correct |
91 ms |
134864 KB |
Output is correct |
37 |
Correct |
92 ms |
134844 KB |
Output is correct |
38 |
Correct |
90 ms |
134888 KB |
Output is correct |
39 |
Correct |
92 ms |
134860 KB |
Output is correct |
40 |
Correct |
78 ms |
134848 KB |
Output is correct |
41 |
Correct |
78 ms |
134956 KB |
Output is correct |
42 |
Correct |
83 ms |
134892 KB |
Output is correct |
43 |
Correct |
81 ms |
134876 KB |
Output is correct |
44 |
Correct |
81 ms |
135000 KB |
Output is correct |
45 |
Correct |
88 ms |
134904 KB |
Output is correct |
46 |
Correct |
87 ms |
134936 KB |
Output is correct |
47 |
Correct |
80 ms |
134936 KB |
Output is correct |
48 |
Correct |
80 ms |
134988 KB |
Output is correct |
49 |
Correct |
82 ms |
134968 KB |
Output is correct |
50 |
Correct |
86 ms |
134936 KB |
Output is correct |
51 |
Correct |
93 ms |
134988 KB |
Output is correct |
52 |
Correct |
92 ms |
134988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
134860 KB |
Output is correct |
2 |
Correct |
75 ms |
134848 KB |
Output is correct |
3 |
Correct |
87 ms |
134888 KB |
Output is correct |
4 |
Correct |
88 ms |
134924 KB |
Output is correct |
5 |
Correct |
76 ms |
134940 KB |
Output is correct |
6 |
Correct |
79 ms |
134944 KB |
Output is correct |
7 |
Correct |
77 ms |
134860 KB |
Output is correct |
8 |
Correct |
76 ms |
134900 KB |
Output is correct |
9 |
Correct |
88 ms |
134908 KB |
Output is correct |
10 |
Correct |
81 ms |
134860 KB |
Output is correct |
11 |
Correct |
79 ms |
134868 KB |
Output is correct |
12 |
Correct |
80 ms |
134860 KB |
Output is correct |
13 |
Correct |
80 ms |
134848 KB |
Output is correct |
14 |
Correct |
79 ms |
134876 KB |
Output is correct |
15 |
Correct |
86 ms |
134840 KB |
Output is correct |
16 |
Correct |
79 ms |
134860 KB |
Output is correct |
17 |
Correct |
80 ms |
134860 KB |
Output is correct |
18 |
Correct |
80 ms |
134840 KB |
Output is correct |
19 |
Correct |
76 ms |
134860 KB |
Output is correct |
20 |
Correct |
78 ms |
134988 KB |
Output is correct |
21 |
Correct |
79 ms |
134920 KB |
Output is correct |
22 |
Correct |
84 ms |
134940 KB |
Output is correct |
23 |
Correct |
78 ms |
134868 KB |
Output is correct |
24 |
Correct |
75 ms |
134896 KB |
Output is correct |
25 |
Correct |
79 ms |
134860 KB |
Output is correct |
26 |
Correct |
86 ms |
134860 KB |
Output is correct |
27 |
Correct |
78 ms |
134936 KB |
Output is correct |
28 |
Correct |
78 ms |
134872 KB |
Output is correct |
29 |
Correct |
80 ms |
134844 KB |
Output is correct |
30 |
Correct |
81 ms |
134844 KB |
Output is correct |
31 |
Correct |
81 ms |
134840 KB |
Output is correct |
32 |
Correct |
77 ms |
134860 KB |
Output is correct |
33 |
Correct |
78 ms |
134912 KB |
Output is correct |
34 |
Correct |
78 ms |
135036 KB |
Output is correct |
35 |
Correct |
84 ms |
134920 KB |
Output is correct |
36 |
Correct |
91 ms |
134864 KB |
Output is correct |
37 |
Correct |
78 ms |
134948 KB |
Output is correct |
38 |
Correct |
81 ms |
134928 KB |
Output is correct |
39 |
Correct |
78 ms |
134860 KB |
Output is correct |
40 |
Correct |
81 ms |
134892 KB |
Output is correct |
41 |
Correct |
77 ms |
134860 KB |
Output is correct |
42 |
Correct |
76 ms |
134852 KB |
Output is correct |
43 |
Correct |
77 ms |
134944 KB |
Output is correct |
44 |
Correct |
78 ms |
134932 KB |
Output is correct |
45 |
Correct |
79 ms |
134888 KB |
Output is correct |
46 |
Correct |
86 ms |
134836 KB |
Output is correct |
47 |
Correct |
78 ms |
134920 KB |
Output is correct |
48 |
Correct |
86 ms |
134932 KB |
Output is correct |
49 |
Correct |
90 ms |
134904 KB |
Output is correct |
50 |
Correct |
83 ms |
134860 KB |
Output is correct |
51 |
Correct |
85 ms |
134860 KB |
Output is correct |
52 |
Correct |
86 ms |
134904 KB |
Output is correct |
53 |
Correct |
95 ms |
134972 KB |
Output is correct |
54 |
Correct |
101 ms |
135608 KB |
Output is correct |
55 |
Correct |
98 ms |
135644 KB |
Output is correct |
56 |
Correct |
162 ms |
142184 KB |
Output is correct |
57 |
Correct |
157 ms |
142164 KB |
Output is correct |
58 |
Correct |
161 ms |
142152 KB |
Output is correct |
59 |
Correct |
193 ms |
142028 KB |
Output is correct |
60 |
Correct |
169 ms |
142212 KB |
Output is correct |
61 |
Correct |
194 ms |
141976 KB |
Output is correct |
62 |
Correct |
165 ms |
142116 KB |
Output is correct |
63 |
Correct |
163 ms |
142108 KB |
Output is correct |
64 |
Correct |
165 ms |
142100 KB |
Output is correct |
65 |
Correct |
164 ms |
142168 KB |
Output is correct |
66 |
Correct |
149 ms |
142136 KB |
Output is correct |
67 |
Correct |
152 ms |
141984 KB |
Output is correct |
68 |
Correct |
154 ms |
142116 KB |
Output is correct |
69 |
Correct |
79 ms |
134860 KB |
Output is correct |
70 |
Correct |
76 ms |
134932 KB |
Output is correct |
71 |
Correct |
150 ms |
142104 KB |
Output is correct |
72 |
Correct |
169 ms |
142140 KB |
Output is correct |
73 |
Correct |
156 ms |
142200 KB |
Output is correct |
74 |
Correct |
78 ms |
134844 KB |
Output is correct |
75 |
Correct |
86 ms |
134860 KB |
Output is correct |
76 |
Correct |
81 ms |
134860 KB |
Output is correct |
77 |
Correct |
76 ms |
134896 KB |
Output is correct |
78 |
Correct |
184 ms |
141376 KB |
Output is correct |
79 |
Correct |
166 ms |
141260 KB |
Output is correct |
80 |
Correct |
179 ms |
141304 KB |
Output is correct |
81 |
Correct |
158 ms |
142144 KB |
Output is correct |
82 |
Correct |
215 ms |
141352 KB |
Output is correct |
83 |
Correct |
189 ms |
141260 KB |
Output is correct |
84 |
Correct |
92 ms |
134844 KB |
Output is correct |
85 |
Correct |
90 ms |
134888 KB |
Output is correct |
86 |
Correct |
92 ms |
134860 KB |
Output is correct |
87 |
Correct |
78 ms |
134848 KB |
Output is correct |
88 |
Correct |
78 ms |
134956 KB |
Output is correct |
89 |
Correct |
83 ms |
134892 KB |
Output is correct |
90 |
Correct |
81 ms |
134876 KB |
Output is correct |
91 |
Correct |
81 ms |
135000 KB |
Output is correct |
92 |
Correct |
88 ms |
134904 KB |
Output is correct |
93 |
Correct |
87 ms |
134936 KB |
Output is correct |
94 |
Correct |
80 ms |
134936 KB |
Output is correct |
95 |
Correct |
80 ms |
134988 KB |
Output is correct |
96 |
Correct |
82 ms |
134968 KB |
Output is correct |
97 |
Correct |
86 ms |
134936 KB |
Output is correct |
98 |
Correct |
93 ms |
134988 KB |
Output is correct |
99 |
Correct |
92 ms |
134988 KB |
Output is correct |
100 |
Correct |
80 ms |
134988 KB |
Output is correct |
101 |
Correct |
117 ms |
135684 KB |
Output is correct |
102 |
Correct |
96 ms |
135584 KB |
Output is correct |
103 |
Correct |
235 ms |
141372 KB |
Output is correct |
104 |
Correct |
202 ms |
141352 KB |
Output is correct |
105 |
Correct |
215 ms |
141376 KB |
Output is correct |
106 |
Correct |
195 ms |
141276 KB |
Output is correct |
107 |
Correct |
187 ms |
141316 KB |
Output is correct |
108 |
Correct |
200 ms |
141264 KB |
Output is correct |
109 |
Correct |
171 ms |
142124 KB |
Output is correct |
110 |
Correct |
182 ms |
142220 KB |
Output is correct |
111 |
Correct |
224 ms |
141304 KB |
Output is correct |
112 |
Correct |
209 ms |
141372 KB |
Output is correct |
113 |
Correct |
206 ms |
141360 KB |
Output is correct |
114 |
Correct |
211 ms |
141452 KB |
Output is correct |
115 |
Correct |
225 ms |
141328 KB |
Output is correct |