# include <bits/stdc++.h>
using namespace std;
long long n,a[200005],pas,tree[200005],ans,w,w1,fix[200005];
queue <long long> q[2][200005];
void inc (long long ind,long long val)
{
for (long long i=ind; i<=2*n; i+=(i&(-i)))
{
tree[i]+=val;
}
}
long long sum (long long ind)
{
pas=0;
for (int i=ind; i>0; i-=(i&(-i)))
pas+=tree[i];
return pas;
}
long long count_swaps(std::vector <int> v)
{
n=v.size()/2;
for (long long i=1; i<=2*n; i++)
{
a[i]=v[i-1];
}
for (long long i=1; i<=2*n; i++)
{
inc(i,1);
}
for(long long i=1; i<=2*n; i++)
{
if (a[i]>=0)
{
w=a[i];
if (q[0][a[i]].size()==0)
{
q[1][a[i]].push(i);
//inc(q[2][a[i]].front(),1);
}
else
{
ans+=sum(i-1)-sum(q[0][a[i]].front()-1)-1;
inc(q[0][a[i]].front(),1);
inc(i,-1);
q[0][a[i]].pop();
}
}
else
{
if (q[1][-a[i]].size()==0)
{
q[0][-a[i]].push(i);
// inc(q[1][-a[i]].front(),1);
}
else
{
ans+=sum(i-1)-sum(q[1][-a[i]].front()-1);
// ans++;
inc(q[1][-a[i]].front(),1);
inc(i,-1);
q[1][-a[i]].pop();
}
}
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
276 ms |
269660 KB |
Output is correct |
2 |
Correct |
280 ms |
269548 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
276 ms |
269660 KB |
Output is correct |
2 |
Correct |
280 ms |
269548 KB |
Output is correct |
3 |
Correct |
285 ms |
269624 KB |
Output is correct |
4 |
Correct |
278 ms |
269688 KB |
Output is correct |
5 |
Correct |
290 ms |
269720 KB |
Output is correct |
6 |
Correct |
319 ms |
269684 KB |
Output is correct |
7 |
Correct |
283 ms |
269580 KB |
Output is correct |
8 |
Correct |
282 ms |
269724 KB |
Output is correct |
9 |
Correct |
311 ms |
269572 KB |
Output is correct |
10 |
Correct |
293 ms |
269688 KB |
Output is correct |
11 |
Correct |
321 ms |
269688 KB |
Output is correct |
12 |
Correct |
287 ms |
269568 KB |
Output is correct |
13 |
Correct |
288 ms |
269624 KB |
Output is correct |
14 |
Correct |
278 ms |
269668 KB |
Output is correct |
15 |
Correct |
280 ms |
269676 KB |
Output is correct |
16 |
Correct |
279 ms |
269660 KB |
Output is correct |
17 |
Correct |
281 ms |
269688 KB |
Output is correct |
18 |
Correct |
276 ms |
269604 KB |
Output is correct |
19 |
Correct |
283 ms |
269688 KB |
Output is correct |
20 |
Correct |
289 ms |
269560 KB |
Output is correct |
21 |
Correct |
283 ms |
269728 KB |
Output is correct |
22 |
Correct |
298 ms |
269692 KB |
Output is correct |
23 |
Correct |
278 ms |
269560 KB |
Output is correct |
24 |
Correct |
282 ms |
269616 KB |
Output is correct |
25 |
Correct |
319 ms |
269740 KB |
Output is correct |
26 |
Correct |
279 ms |
269560 KB |
Output is correct |
27 |
Correct |
282 ms |
269660 KB |
Output is correct |
28 |
Correct |
279 ms |
269616 KB |
Output is correct |
29 |
Correct |
280 ms |
269552 KB |
Output is correct |
30 |
Correct |
282 ms |
269608 KB |
Output is correct |
31 |
Correct |
292 ms |
269560 KB |
Output is correct |
32 |
Correct |
277 ms |
269624 KB |
Output is correct |
33 |
Correct |
281 ms |
269816 KB |
Output is correct |
34 |
Correct |
276 ms |
269672 KB |
Output is correct |
35 |
Correct |
278 ms |
269688 KB |
Output is correct |
36 |
Correct |
278 ms |
269592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
276 ms |
269660 KB |
Output is correct |
2 |
Correct |
280 ms |
269548 KB |
Output is correct |
3 |
Correct |
278 ms |
269624 KB |
Output is correct |
4 |
Correct |
299 ms |
269816 KB |
Output is correct |
5 |
Correct |
295 ms |
269732 KB |
Output is correct |
6 |
Correct |
278 ms |
269560 KB |
Output is correct |
7 |
Correct |
302 ms |
269548 KB |
Output is correct |
8 |
Correct |
277 ms |
269648 KB |
Output is correct |
9 |
Correct |
327 ms |
269560 KB |
Output is correct |
10 |
Correct |
282 ms |
269736 KB |
Output is correct |
11 |
Correct |
279 ms |
269560 KB |
Output is correct |
12 |
Correct |
278 ms |
269700 KB |
Output is correct |
13 |
Correct |
282 ms |
269816 KB |
Output is correct |
14 |
Correct |
280 ms |
269592 KB |
Output is correct |
15 |
Correct |
280 ms |
269576 KB |
Output is correct |
16 |
Correct |
445 ms |
269688 KB |
Output is correct |
17 |
Correct |
283 ms |
269688 KB |
Output is correct |
18 |
Correct |
279 ms |
269816 KB |
Output is correct |
19 |
Correct |
278 ms |
269640 KB |
Output is correct |
20 |
Correct |
336 ms |
270308 KB |
Output is correct |
21 |
Correct |
310 ms |
270328 KB |
Output is correct |
22 |
Correct |
321 ms |
275760 KB |
Output is correct |
23 |
Correct |
317 ms |
275704 KB |
Output is correct |
24 |
Correct |
322 ms |
275576 KB |
Output is correct |
25 |
Correct |
331 ms |
276384 KB |
Output is correct |
26 |
Correct |
319 ms |
275576 KB |
Output is correct |
27 |
Correct |
325 ms |
275576 KB |
Output is correct |
28 |
Correct |
329 ms |
276408 KB |
Output is correct |
29 |
Correct |
330 ms |
276472 KB |
Output is correct |
30 |
Correct |
323 ms |
276344 KB |
Output is correct |
31 |
Correct |
327 ms |
275628 KB |
Output is correct |
32 |
Correct |
347 ms |
276504 KB |
Output is correct |
33 |
Correct |
332 ms |
276216 KB |
Output is correct |
34 |
Correct |
366 ms |
276548 KB |
Output is correct |
35 |
Correct |
280 ms |
269560 KB |
Output is correct |
36 |
Correct |
279 ms |
269508 KB |
Output is correct |
37 |
Correct |
339 ms |
276572 KB |
Output is correct |
38 |
Correct |
349 ms |
276600 KB |
Output is correct |
39 |
Correct |
342 ms |
276448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
278 ms |
269548 KB |
Output is correct |
2 |
Correct |
279 ms |
269660 KB |
Output is correct |
3 |
Correct |
277 ms |
269560 KB |
Output is correct |
4 |
Correct |
275 ms |
269560 KB |
Output is correct |
5 |
Correct |
359 ms |
275652 KB |
Output is correct |
6 |
Correct |
336 ms |
275704 KB |
Output is correct |
7 |
Correct |
354 ms |
275704 KB |
Output is correct |
8 |
Correct |
344 ms |
276408 KB |
Output is correct |
9 |
Correct |
377 ms |
275608 KB |
Output is correct |
10 |
Correct |
350 ms |
275576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
276 ms |
269660 KB |
Output is correct |
2 |
Correct |
280 ms |
269548 KB |
Output is correct |
3 |
Correct |
285 ms |
269624 KB |
Output is correct |
4 |
Correct |
278 ms |
269688 KB |
Output is correct |
5 |
Correct |
290 ms |
269720 KB |
Output is correct |
6 |
Correct |
319 ms |
269684 KB |
Output is correct |
7 |
Correct |
283 ms |
269580 KB |
Output is correct |
8 |
Correct |
282 ms |
269724 KB |
Output is correct |
9 |
Correct |
311 ms |
269572 KB |
Output is correct |
10 |
Correct |
293 ms |
269688 KB |
Output is correct |
11 |
Correct |
321 ms |
269688 KB |
Output is correct |
12 |
Correct |
287 ms |
269568 KB |
Output is correct |
13 |
Correct |
288 ms |
269624 KB |
Output is correct |
14 |
Correct |
278 ms |
269668 KB |
Output is correct |
15 |
Correct |
280 ms |
269676 KB |
Output is correct |
16 |
Correct |
279 ms |
269660 KB |
Output is correct |
17 |
Correct |
281 ms |
269688 KB |
Output is correct |
18 |
Correct |
276 ms |
269604 KB |
Output is correct |
19 |
Correct |
283 ms |
269688 KB |
Output is correct |
20 |
Correct |
289 ms |
269560 KB |
Output is correct |
21 |
Correct |
283 ms |
269728 KB |
Output is correct |
22 |
Correct |
298 ms |
269692 KB |
Output is correct |
23 |
Correct |
278 ms |
269560 KB |
Output is correct |
24 |
Correct |
282 ms |
269616 KB |
Output is correct |
25 |
Correct |
319 ms |
269740 KB |
Output is correct |
26 |
Correct |
279 ms |
269560 KB |
Output is correct |
27 |
Correct |
282 ms |
269660 KB |
Output is correct |
28 |
Correct |
279 ms |
269616 KB |
Output is correct |
29 |
Correct |
280 ms |
269552 KB |
Output is correct |
30 |
Correct |
282 ms |
269608 KB |
Output is correct |
31 |
Correct |
292 ms |
269560 KB |
Output is correct |
32 |
Correct |
277 ms |
269624 KB |
Output is correct |
33 |
Correct |
281 ms |
269816 KB |
Output is correct |
34 |
Correct |
276 ms |
269672 KB |
Output is correct |
35 |
Correct |
278 ms |
269688 KB |
Output is correct |
36 |
Correct |
278 ms |
269592 KB |
Output is correct |
37 |
Correct |
280 ms |
269752 KB |
Output is correct |
38 |
Correct |
277 ms |
269560 KB |
Output is correct |
39 |
Correct |
322 ms |
269688 KB |
Output is correct |
40 |
Correct |
344 ms |
269688 KB |
Output is correct |
41 |
Correct |
284 ms |
269700 KB |
Output is correct |
42 |
Correct |
274 ms |
269688 KB |
Output is correct |
43 |
Correct |
278 ms |
269812 KB |
Output is correct |
44 |
Correct |
279 ms |
269660 KB |
Output is correct |
45 |
Correct |
281 ms |
269688 KB |
Output is correct |
46 |
Correct |
284 ms |
269616 KB |
Output is correct |
47 |
Correct |
281 ms |
269764 KB |
Output is correct |
48 |
Correct |
274 ms |
269660 KB |
Output is correct |
49 |
Correct |
282 ms |
269644 KB |
Output is correct |
50 |
Correct |
307 ms |
269604 KB |
Output is correct |
51 |
Correct |
295 ms |
269744 KB |
Output is correct |
52 |
Correct |
280 ms |
269760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
276 ms |
269660 KB |
Output is correct |
2 |
Correct |
280 ms |
269548 KB |
Output is correct |
3 |
Correct |
285 ms |
269624 KB |
Output is correct |
4 |
Correct |
278 ms |
269688 KB |
Output is correct |
5 |
Correct |
290 ms |
269720 KB |
Output is correct |
6 |
Correct |
319 ms |
269684 KB |
Output is correct |
7 |
Correct |
283 ms |
269580 KB |
Output is correct |
8 |
Correct |
282 ms |
269724 KB |
Output is correct |
9 |
Correct |
311 ms |
269572 KB |
Output is correct |
10 |
Correct |
293 ms |
269688 KB |
Output is correct |
11 |
Correct |
321 ms |
269688 KB |
Output is correct |
12 |
Correct |
287 ms |
269568 KB |
Output is correct |
13 |
Correct |
288 ms |
269624 KB |
Output is correct |
14 |
Correct |
278 ms |
269668 KB |
Output is correct |
15 |
Correct |
280 ms |
269676 KB |
Output is correct |
16 |
Correct |
279 ms |
269660 KB |
Output is correct |
17 |
Correct |
281 ms |
269688 KB |
Output is correct |
18 |
Correct |
276 ms |
269604 KB |
Output is correct |
19 |
Correct |
283 ms |
269688 KB |
Output is correct |
20 |
Correct |
289 ms |
269560 KB |
Output is correct |
21 |
Correct |
283 ms |
269728 KB |
Output is correct |
22 |
Correct |
298 ms |
269692 KB |
Output is correct |
23 |
Correct |
278 ms |
269560 KB |
Output is correct |
24 |
Correct |
282 ms |
269616 KB |
Output is correct |
25 |
Correct |
319 ms |
269740 KB |
Output is correct |
26 |
Correct |
279 ms |
269560 KB |
Output is correct |
27 |
Correct |
282 ms |
269660 KB |
Output is correct |
28 |
Correct |
279 ms |
269616 KB |
Output is correct |
29 |
Correct |
280 ms |
269552 KB |
Output is correct |
30 |
Correct |
282 ms |
269608 KB |
Output is correct |
31 |
Correct |
292 ms |
269560 KB |
Output is correct |
32 |
Correct |
277 ms |
269624 KB |
Output is correct |
33 |
Correct |
281 ms |
269816 KB |
Output is correct |
34 |
Correct |
276 ms |
269672 KB |
Output is correct |
35 |
Correct |
278 ms |
269688 KB |
Output is correct |
36 |
Correct |
278 ms |
269592 KB |
Output is correct |
37 |
Correct |
278 ms |
269624 KB |
Output is correct |
38 |
Correct |
299 ms |
269816 KB |
Output is correct |
39 |
Correct |
295 ms |
269732 KB |
Output is correct |
40 |
Correct |
278 ms |
269560 KB |
Output is correct |
41 |
Correct |
302 ms |
269548 KB |
Output is correct |
42 |
Correct |
277 ms |
269648 KB |
Output is correct |
43 |
Correct |
327 ms |
269560 KB |
Output is correct |
44 |
Correct |
282 ms |
269736 KB |
Output is correct |
45 |
Correct |
279 ms |
269560 KB |
Output is correct |
46 |
Correct |
278 ms |
269700 KB |
Output is correct |
47 |
Correct |
282 ms |
269816 KB |
Output is correct |
48 |
Correct |
280 ms |
269592 KB |
Output is correct |
49 |
Correct |
280 ms |
269576 KB |
Output is correct |
50 |
Correct |
445 ms |
269688 KB |
Output is correct |
51 |
Correct |
283 ms |
269688 KB |
Output is correct |
52 |
Correct |
279 ms |
269816 KB |
Output is correct |
53 |
Correct |
278 ms |
269640 KB |
Output is correct |
54 |
Correct |
336 ms |
270308 KB |
Output is correct |
55 |
Correct |
310 ms |
270328 KB |
Output is correct |
56 |
Correct |
321 ms |
275760 KB |
Output is correct |
57 |
Correct |
317 ms |
275704 KB |
Output is correct |
58 |
Correct |
322 ms |
275576 KB |
Output is correct |
59 |
Correct |
331 ms |
276384 KB |
Output is correct |
60 |
Correct |
319 ms |
275576 KB |
Output is correct |
61 |
Correct |
325 ms |
275576 KB |
Output is correct |
62 |
Correct |
329 ms |
276408 KB |
Output is correct |
63 |
Correct |
330 ms |
276472 KB |
Output is correct |
64 |
Correct |
323 ms |
276344 KB |
Output is correct |
65 |
Correct |
327 ms |
275628 KB |
Output is correct |
66 |
Correct |
347 ms |
276504 KB |
Output is correct |
67 |
Correct |
332 ms |
276216 KB |
Output is correct |
68 |
Correct |
366 ms |
276548 KB |
Output is correct |
69 |
Correct |
280 ms |
269560 KB |
Output is correct |
70 |
Correct |
279 ms |
269508 KB |
Output is correct |
71 |
Correct |
339 ms |
276572 KB |
Output is correct |
72 |
Correct |
349 ms |
276600 KB |
Output is correct |
73 |
Correct |
342 ms |
276448 KB |
Output is correct |
74 |
Correct |
278 ms |
269548 KB |
Output is correct |
75 |
Correct |
279 ms |
269660 KB |
Output is correct |
76 |
Correct |
277 ms |
269560 KB |
Output is correct |
77 |
Correct |
275 ms |
269560 KB |
Output is correct |
78 |
Correct |
359 ms |
275652 KB |
Output is correct |
79 |
Correct |
336 ms |
275704 KB |
Output is correct |
80 |
Correct |
354 ms |
275704 KB |
Output is correct |
81 |
Correct |
344 ms |
276408 KB |
Output is correct |
82 |
Correct |
377 ms |
275608 KB |
Output is correct |
83 |
Correct |
350 ms |
275576 KB |
Output is correct |
84 |
Correct |
280 ms |
269752 KB |
Output is correct |
85 |
Correct |
277 ms |
269560 KB |
Output is correct |
86 |
Correct |
322 ms |
269688 KB |
Output is correct |
87 |
Correct |
344 ms |
269688 KB |
Output is correct |
88 |
Correct |
284 ms |
269700 KB |
Output is correct |
89 |
Correct |
274 ms |
269688 KB |
Output is correct |
90 |
Correct |
278 ms |
269812 KB |
Output is correct |
91 |
Correct |
279 ms |
269660 KB |
Output is correct |
92 |
Correct |
281 ms |
269688 KB |
Output is correct |
93 |
Correct |
284 ms |
269616 KB |
Output is correct |
94 |
Correct |
281 ms |
269764 KB |
Output is correct |
95 |
Correct |
274 ms |
269660 KB |
Output is correct |
96 |
Correct |
282 ms |
269644 KB |
Output is correct |
97 |
Correct |
307 ms |
269604 KB |
Output is correct |
98 |
Correct |
295 ms |
269744 KB |
Output is correct |
99 |
Correct |
280 ms |
269760 KB |
Output is correct |
100 |
Correct |
283 ms |
269948 KB |
Output is correct |
101 |
Correct |
285 ms |
270200 KB |
Output is correct |
102 |
Correct |
286 ms |
270172 KB |
Output is correct |
103 |
Correct |
362 ms |
275536 KB |
Output is correct |
104 |
Correct |
342 ms |
275576 KB |
Output is correct |
105 |
Correct |
354 ms |
275628 KB |
Output is correct |
106 |
Correct |
358 ms |
275832 KB |
Output is correct |
107 |
Correct |
336 ms |
275540 KB |
Output is correct |
108 |
Correct |
341 ms |
275532 KB |
Output is correct |
109 |
Correct |
327 ms |
276480 KB |
Output is correct |
110 |
Correct |
328 ms |
276668 KB |
Output is correct |
111 |
Correct |
357 ms |
275740 KB |
Output is correct |
112 |
Correct |
364 ms |
275628 KB |
Output is correct |
113 |
Correct |
339 ms |
275548 KB |
Output is correct |
114 |
Correct |
355 ms |
275660 KB |
Output is correct |
115 |
Correct |
354 ms |
275576 KB |
Output is correct |