#include "shoes.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
static const int N = 200'010;
static queue<int> l[N], r[N];
static int fen[N];
static void add_fen(int r, int x)
{
while (r > 0) {
fen[r] += x;
r -= r & -r;
}
}
static void add(int l, int r)
{
add_fen(r, 1);
add_fen(l, -1);
}
static int get(int i)
{
++i;
int ans = 0;
while (i < N) {
ans += fen[i];
i += i & -i;
}
return ans;
}
long long count_swaps(std::vector<int> s) {
ll ans = 0;
Loop (i, 0, s.size()) {
int x = s[i];
if (x < 0) {
if (r[-x].size()) {
ans += i - r[-x].front() - get(r[-x].front());
add(r[-x].front(), i);
r[-x].pop();
} else {
l[-x].push(i);
}
} else {
if (l[x].size()) {
ans += i - l[x].front() - get(l[x].front()) - 1;
add(l[x].front(), i);
l[x].pop();
} else {
r[x].push(i);
}
}
}
return ans;
}
Compilation message
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:3:40: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
3 | #define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
| ^
shoes.cpp:39:2: note: in expansion of macro 'Loop'
39 | Loop (i, 0, s.size()) {
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
154 ms |
269516 KB |
Output is correct |
2 |
Correct |
162 ms |
269552 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
154 ms |
269516 KB |
Output is correct |
2 |
Correct |
162 ms |
269552 KB |
Output is correct |
3 |
Correct |
150 ms |
269476 KB |
Output is correct |
4 |
Correct |
154 ms |
269616 KB |
Output is correct |
5 |
Correct |
161 ms |
269460 KB |
Output is correct |
6 |
Correct |
154 ms |
269568 KB |
Output is correct |
7 |
Correct |
153 ms |
269572 KB |
Output is correct |
8 |
Correct |
151 ms |
269516 KB |
Output is correct |
9 |
Correct |
155 ms |
269520 KB |
Output is correct |
10 |
Correct |
158 ms |
269556 KB |
Output is correct |
11 |
Correct |
165 ms |
269580 KB |
Output is correct |
12 |
Correct |
156 ms |
269464 KB |
Output is correct |
13 |
Correct |
156 ms |
269516 KB |
Output is correct |
14 |
Correct |
157 ms |
269560 KB |
Output is correct |
15 |
Correct |
155 ms |
269548 KB |
Output is correct |
16 |
Correct |
155 ms |
269516 KB |
Output is correct |
17 |
Correct |
158 ms |
269464 KB |
Output is correct |
18 |
Correct |
157 ms |
269464 KB |
Output is correct |
19 |
Correct |
160 ms |
269464 KB |
Output is correct |
20 |
Correct |
155 ms |
269548 KB |
Output is correct |
21 |
Correct |
163 ms |
269536 KB |
Output is correct |
22 |
Correct |
159 ms |
269516 KB |
Output is correct |
23 |
Correct |
160 ms |
269484 KB |
Output is correct |
24 |
Correct |
167 ms |
269552 KB |
Output is correct |
25 |
Correct |
160 ms |
269604 KB |
Output is correct |
26 |
Correct |
164 ms |
269508 KB |
Output is correct |
27 |
Correct |
159 ms |
269552 KB |
Output is correct |
28 |
Correct |
157 ms |
269520 KB |
Output is correct |
29 |
Correct |
156 ms |
269456 KB |
Output is correct |
30 |
Correct |
156 ms |
269572 KB |
Output is correct |
31 |
Correct |
157 ms |
269524 KB |
Output is correct |
32 |
Correct |
158 ms |
269516 KB |
Output is correct |
33 |
Correct |
157 ms |
269464 KB |
Output is correct |
34 |
Correct |
157 ms |
269504 KB |
Output is correct |
35 |
Correct |
160 ms |
269548 KB |
Output is correct |
36 |
Correct |
158 ms |
269608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
154 ms |
269516 KB |
Output is correct |
2 |
Correct |
162 ms |
269552 KB |
Output is correct |
3 |
Correct |
157 ms |
269460 KB |
Output is correct |
4 |
Correct |
161 ms |
269560 KB |
Output is correct |
5 |
Correct |
160 ms |
269524 KB |
Output is correct |
6 |
Correct |
155 ms |
269504 KB |
Output is correct |
7 |
Correct |
156 ms |
269528 KB |
Output is correct |
8 |
Correct |
164 ms |
269480 KB |
Output is correct |
9 |
Correct |
159 ms |
269576 KB |
Output is correct |
10 |
Correct |
156 ms |
269544 KB |
Output is correct |
11 |
Correct |
156 ms |
269524 KB |
Output is correct |
12 |
Correct |
158 ms |
269456 KB |
Output is correct |
13 |
Correct |
163 ms |
269524 KB |
Output is correct |
14 |
Correct |
165 ms |
269572 KB |
Output is correct |
15 |
Correct |
166 ms |
269528 KB |
Output is correct |
16 |
Correct |
159 ms |
269524 KB |
Output is correct |
17 |
Correct |
166 ms |
269476 KB |
Output is correct |
18 |
Correct |
161 ms |
269516 KB |
Output is correct |
19 |
Correct |
157 ms |
269576 KB |
Output is correct |
20 |
Correct |
164 ms |
269904 KB |
Output is correct |
21 |
Correct |
162 ms |
269900 KB |
Output is correct |
22 |
Correct |
199 ms |
273024 KB |
Output is correct |
23 |
Correct |
180 ms |
273104 KB |
Output is correct |
24 |
Correct |
181 ms |
273244 KB |
Output is correct |
25 |
Correct |
184 ms |
273348 KB |
Output is correct |
26 |
Correct |
180 ms |
273084 KB |
Output is correct |
27 |
Correct |
193 ms |
272908 KB |
Output is correct |
28 |
Correct |
183 ms |
273544 KB |
Output is correct |
29 |
Correct |
185 ms |
273540 KB |
Output is correct |
30 |
Correct |
179 ms |
273544 KB |
Output is correct |
31 |
Correct |
181 ms |
273172 KB |
Output is correct |
32 |
Correct |
190 ms |
273584 KB |
Output is correct |
33 |
Correct |
185 ms |
273424 KB |
Output is correct |
34 |
Correct |
188 ms |
273556 KB |
Output is correct |
35 |
Correct |
153 ms |
269552 KB |
Output is correct |
36 |
Correct |
158 ms |
269528 KB |
Output is correct |
37 |
Correct |
193 ms |
273620 KB |
Output is correct |
38 |
Correct |
199 ms |
273568 KB |
Output is correct |
39 |
Correct |
191 ms |
273528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
156 ms |
269548 KB |
Output is correct |
2 |
Correct |
161 ms |
269516 KB |
Output is correct |
3 |
Correct |
155 ms |
269552 KB |
Output is correct |
4 |
Correct |
156 ms |
269564 KB |
Output is correct |
5 |
Correct |
209 ms |
272176 KB |
Output is correct |
6 |
Correct |
203 ms |
273212 KB |
Output is correct |
7 |
Correct |
207 ms |
273096 KB |
Output is correct |
8 |
Correct |
191 ms |
273612 KB |
Output is correct |
9 |
Correct |
211 ms |
273212 KB |
Output is correct |
10 |
Correct |
209 ms |
273228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
154 ms |
269516 KB |
Output is correct |
2 |
Correct |
162 ms |
269552 KB |
Output is correct |
3 |
Correct |
150 ms |
269476 KB |
Output is correct |
4 |
Correct |
154 ms |
269616 KB |
Output is correct |
5 |
Correct |
161 ms |
269460 KB |
Output is correct |
6 |
Correct |
154 ms |
269568 KB |
Output is correct |
7 |
Correct |
153 ms |
269572 KB |
Output is correct |
8 |
Correct |
151 ms |
269516 KB |
Output is correct |
9 |
Correct |
155 ms |
269520 KB |
Output is correct |
10 |
Correct |
158 ms |
269556 KB |
Output is correct |
11 |
Correct |
165 ms |
269580 KB |
Output is correct |
12 |
Correct |
156 ms |
269464 KB |
Output is correct |
13 |
Correct |
156 ms |
269516 KB |
Output is correct |
14 |
Correct |
157 ms |
269560 KB |
Output is correct |
15 |
Correct |
155 ms |
269548 KB |
Output is correct |
16 |
Correct |
155 ms |
269516 KB |
Output is correct |
17 |
Correct |
158 ms |
269464 KB |
Output is correct |
18 |
Correct |
157 ms |
269464 KB |
Output is correct |
19 |
Correct |
160 ms |
269464 KB |
Output is correct |
20 |
Correct |
155 ms |
269548 KB |
Output is correct |
21 |
Correct |
163 ms |
269536 KB |
Output is correct |
22 |
Correct |
159 ms |
269516 KB |
Output is correct |
23 |
Correct |
160 ms |
269484 KB |
Output is correct |
24 |
Correct |
167 ms |
269552 KB |
Output is correct |
25 |
Correct |
160 ms |
269604 KB |
Output is correct |
26 |
Correct |
164 ms |
269508 KB |
Output is correct |
27 |
Correct |
159 ms |
269552 KB |
Output is correct |
28 |
Correct |
157 ms |
269520 KB |
Output is correct |
29 |
Correct |
156 ms |
269456 KB |
Output is correct |
30 |
Correct |
156 ms |
269572 KB |
Output is correct |
31 |
Correct |
157 ms |
269524 KB |
Output is correct |
32 |
Correct |
158 ms |
269516 KB |
Output is correct |
33 |
Correct |
157 ms |
269464 KB |
Output is correct |
34 |
Correct |
157 ms |
269504 KB |
Output is correct |
35 |
Correct |
160 ms |
269548 KB |
Output is correct |
36 |
Correct |
158 ms |
269608 KB |
Output is correct |
37 |
Correct |
157 ms |
269540 KB |
Output is correct |
38 |
Correct |
157 ms |
269480 KB |
Output is correct |
39 |
Correct |
156 ms |
269500 KB |
Output is correct |
40 |
Correct |
174 ms |
269556 KB |
Output is correct |
41 |
Correct |
156 ms |
269564 KB |
Output is correct |
42 |
Correct |
155 ms |
269532 KB |
Output is correct |
43 |
Correct |
160 ms |
269564 KB |
Output is correct |
44 |
Correct |
160 ms |
269584 KB |
Output is correct |
45 |
Correct |
156 ms |
269600 KB |
Output is correct |
46 |
Correct |
158 ms |
269548 KB |
Output is correct |
47 |
Correct |
157 ms |
269648 KB |
Output is correct |
48 |
Correct |
157 ms |
269568 KB |
Output is correct |
49 |
Correct |
164 ms |
269500 KB |
Output is correct |
50 |
Correct |
164 ms |
269692 KB |
Output is correct |
51 |
Correct |
155 ms |
269516 KB |
Output is correct |
52 |
Correct |
155 ms |
269528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
154 ms |
269516 KB |
Output is correct |
2 |
Correct |
162 ms |
269552 KB |
Output is correct |
3 |
Correct |
150 ms |
269476 KB |
Output is correct |
4 |
Correct |
154 ms |
269616 KB |
Output is correct |
5 |
Correct |
161 ms |
269460 KB |
Output is correct |
6 |
Correct |
154 ms |
269568 KB |
Output is correct |
7 |
Correct |
153 ms |
269572 KB |
Output is correct |
8 |
Correct |
151 ms |
269516 KB |
Output is correct |
9 |
Correct |
155 ms |
269520 KB |
Output is correct |
10 |
Correct |
158 ms |
269556 KB |
Output is correct |
11 |
Correct |
165 ms |
269580 KB |
Output is correct |
12 |
Correct |
156 ms |
269464 KB |
Output is correct |
13 |
Correct |
156 ms |
269516 KB |
Output is correct |
14 |
Correct |
157 ms |
269560 KB |
Output is correct |
15 |
Correct |
155 ms |
269548 KB |
Output is correct |
16 |
Correct |
155 ms |
269516 KB |
Output is correct |
17 |
Correct |
158 ms |
269464 KB |
Output is correct |
18 |
Correct |
157 ms |
269464 KB |
Output is correct |
19 |
Correct |
160 ms |
269464 KB |
Output is correct |
20 |
Correct |
155 ms |
269548 KB |
Output is correct |
21 |
Correct |
163 ms |
269536 KB |
Output is correct |
22 |
Correct |
159 ms |
269516 KB |
Output is correct |
23 |
Correct |
160 ms |
269484 KB |
Output is correct |
24 |
Correct |
167 ms |
269552 KB |
Output is correct |
25 |
Correct |
160 ms |
269604 KB |
Output is correct |
26 |
Correct |
164 ms |
269508 KB |
Output is correct |
27 |
Correct |
159 ms |
269552 KB |
Output is correct |
28 |
Correct |
157 ms |
269520 KB |
Output is correct |
29 |
Correct |
156 ms |
269456 KB |
Output is correct |
30 |
Correct |
156 ms |
269572 KB |
Output is correct |
31 |
Correct |
157 ms |
269524 KB |
Output is correct |
32 |
Correct |
158 ms |
269516 KB |
Output is correct |
33 |
Correct |
157 ms |
269464 KB |
Output is correct |
34 |
Correct |
157 ms |
269504 KB |
Output is correct |
35 |
Correct |
160 ms |
269548 KB |
Output is correct |
36 |
Correct |
158 ms |
269608 KB |
Output is correct |
37 |
Correct |
157 ms |
269460 KB |
Output is correct |
38 |
Correct |
161 ms |
269560 KB |
Output is correct |
39 |
Correct |
160 ms |
269524 KB |
Output is correct |
40 |
Correct |
155 ms |
269504 KB |
Output is correct |
41 |
Correct |
156 ms |
269528 KB |
Output is correct |
42 |
Correct |
164 ms |
269480 KB |
Output is correct |
43 |
Correct |
159 ms |
269576 KB |
Output is correct |
44 |
Correct |
156 ms |
269544 KB |
Output is correct |
45 |
Correct |
156 ms |
269524 KB |
Output is correct |
46 |
Correct |
158 ms |
269456 KB |
Output is correct |
47 |
Correct |
163 ms |
269524 KB |
Output is correct |
48 |
Correct |
165 ms |
269572 KB |
Output is correct |
49 |
Correct |
166 ms |
269528 KB |
Output is correct |
50 |
Correct |
159 ms |
269524 KB |
Output is correct |
51 |
Correct |
166 ms |
269476 KB |
Output is correct |
52 |
Correct |
161 ms |
269516 KB |
Output is correct |
53 |
Correct |
157 ms |
269576 KB |
Output is correct |
54 |
Correct |
164 ms |
269904 KB |
Output is correct |
55 |
Correct |
162 ms |
269900 KB |
Output is correct |
56 |
Correct |
199 ms |
273024 KB |
Output is correct |
57 |
Correct |
180 ms |
273104 KB |
Output is correct |
58 |
Correct |
181 ms |
273244 KB |
Output is correct |
59 |
Correct |
184 ms |
273348 KB |
Output is correct |
60 |
Correct |
180 ms |
273084 KB |
Output is correct |
61 |
Correct |
193 ms |
272908 KB |
Output is correct |
62 |
Correct |
183 ms |
273544 KB |
Output is correct |
63 |
Correct |
185 ms |
273540 KB |
Output is correct |
64 |
Correct |
179 ms |
273544 KB |
Output is correct |
65 |
Correct |
181 ms |
273172 KB |
Output is correct |
66 |
Correct |
190 ms |
273584 KB |
Output is correct |
67 |
Correct |
185 ms |
273424 KB |
Output is correct |
68 |
Correct |
188 ms |
273556 KB |
Output is correct |
69 |
Correct |
153 ms |
269552 KB |
Output is correct |
70 |
Correct |
158 ms |
269528 KB |
Output is correct |
71 |
Correct |
193 ms |
273620 KB |
Output is correct |
72 |
Correct |
199 ms |
273568 KB |
Output is correct |
73 |
Correct |
191 ms |
273528 KB |
Output is correct |
74 |
Correct |
156 ms |
269548 KB |
Output is correct |
75 |
Correct |
161 ms |
269516 KB |
Output is correct |
76 |
Correct |
155 ms |
269552 KB |
Output is correct |
77 |
Correct |
156 ms |
269564 KB |
Output is correct |
78 |
Correct |
209 ms |
272176 KB |
Output is correct |
79 |
Correct |
203 ms |
273212 KB |
Output is correct |
80 |
Correct |
207 ms |
273096 KB |
Output is correct |
81 |
Correct |
191 ms |
273612 KB |
Output is correct |
82 |
Correct |
211 ms |
273212 KB |
Output is correct |
83 |
Correct |
209 ms |
273228 KB |
Output is correct |
84 |
Correct |
157 ms |
269540 KB |
Output is correct |
85 |
Correct |
157 ms |
269480 KB |
Output is correct |
86 |
Correct |
156 ms |
269500 KB |
Output is correct |
87 |
Correct |
174 ms |
269556 KB |
Output is correct |
88 |
Correct |
156 ms |
269564 KB |
Output is correct |
89 |
Correct |
155 ms |
269532 KB |
Output is correct |
90 |
Correct |
160 ms |
269564 KB |
Output is correct |
91 |
Correct |
160 ms |
269584 KB |
Output is correct |
92 |
Correct |
156 ms |
269600 KB |
Output is correct |
93 |
Correct |
158 ms |
269548 KB |
Output is correct |
94 |
Correct |
157 ms |
269648 KB |
Output is correct |
95 |
Correct |
157 ms |
269568 KB |
Output is correct |
96 |
Correct |
164 ms |
269500 KB |
Output is correct |
97 |
Correct |
164 ms |
269692 KB |
Output is correct |
98 |
Correct |
155 ms |
269516 KB |
Output is correct |
99 |
Correct |
155 ms |
269528 KB |
Output is correct |
100 |
Correct |
157 ms |
269516 KB |
Output is correct |
101 |
Correct |
172 ms |
269796 KB |
Output is correct |
102 |
Correct |
161 ms |
269888 KB |
Output is correct |
103 |
Correct |
213 ms |
273144 KB |
Output is correct |
104 |
Correct |
205 ms |
273168 KB |
Output is correct |
105 |
Correct |
203 ms |
273056 KB |
Output is correct |
106 |
Correct |
207 ms |
273180 KB |
Output is correct |
107 |
Correct |
193 ms |
273272 KB |
Output is correct |
108 |
Correct |
193 ms |
273100 KB |
Output is correct |
109 |
Correct |
186 ms |
273612 KB |
Output is correct |
110 |
Correct |
181 ms |
273652 KB |
Output is correct |
111 |
Correct |
206 ms |
273176 KB |
Output is correct |
112 |
Correct |
219 ms |
273100 KB |
Output is correct |
113 |
Correct |
192 ms |
273100 KB |
Output is correct |
114 |
Correct |
210 ms |
273168 KB |
Output is correct |
115 |
Correct |
206 ms |
273064 KB |
Output is correct |