# include <bits/stdc++.h>
using namespace std;
queue <long long> q[2][200000];
long long n, idx, a[200000], ans, k, kx, xx[200000], m;
int alg (long long x) {
int num = 0;
for (int i = x; i >= 1; i -= (i&(-i)) ) num += xx[i];
return num;
}
void upd (int x, int y) {
for (int i = x; i <= n; i += (i&(-i)) ) xx[i] += y;
}
//int main() {
// cin>>n;
// for (int i = 1; i <= 2*n; i++) cin>>a[i];
long long count_swaps(std::vector <int> v) {
n = v.size();
for (long long i = 0; i < n; i++) a[i+1] = v[i];
for (int i = 1; i <= n; i++) upd(i, 1);
for(int i = 1; i <= n; i++) {
if (a[i] < 0) {
if (q[1][abs(a[i])].empty()) q[0][abs(a[i])].push(i);
else {
ans += alg(i-1) - alg(q[1][abs(a[i])].front()-1);
upd(q[1][abs(a[i])].front(), 1);
upd(i, -1);
q[1][abs(a[i])].pop();
}
}
else {
if (q[0][a[i]].empty()) q[1][a[i]].push(i);
else {
ans += alg(i-1) - alg(q[0][a[i]].front()-1) - 1;
upd(q[0][a[i]].front(), 1);
upd(i, -1);
q[0][a[i]].pop();
}
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
269688 KB |
Output is correct |
2 |
Correct |
269 ms |
269688 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
269688 KB |
Output is correct |
2 |
Correct |
269 ms |
269688 KB |
Output is correct |
3 |
Correct |
269 ms |
269608 KB |
Output is correct |
4 |
Correct |
273 ms |
269608 KB |
Output is correct |
5 |
Correct |
274 ms |
269564 KB |
Output is correct |
6 |
Correct |
272 ms |
269532 KB |
Output is correct |
7 |
Correct |
272 ms |
269624 KB |
Output is correct |
8 |
Correct |
271 ms |
269560 KB |
Output is correct |
9 |
Correct |
274 ms |
269560 KB |
Output is correct |
10 |
Correct |
272 ms |
269560 KB |
Output is correct |
11 |
Correct |
268 ms |
269560 KB |
Output is correct |
12 |
Correct |
270 ms |
269560 KB |
Output is correct |
13 |
Correct |
272 ms |
269560 KB |
Output is correct |
14 |
Correct |
270 ms |
269532 KB |
Output is correct |
15 |
Correct |
276 ms |
269540 KB |
Output is correct |
16 |
Correct |
270 ms |
269560 KB |
Output is correct |
17 |
Correct |
274 ms |
269532 KB |
Output is correct |
18 |
Correct |
275 ms |
269688 KB |
Output is correct |
19 |
Correct |
272 ms |
269616 KB |
Output is correct |
20 |
Correct |
270 ms |
269560 KB |
Output is correct |
21 |
Correct |
275 ms |
269548 KB |
Output is correct |
22 |
Correct |
276 ms |
269568 KB |
Output is correct |
23 |
Correct |
271 ms |
269544 KB |
Output is correct |
24 |
Correct |
271 ms |
269560 KB |
Output is correct |
25 |
Correct |
272 ms |
269560 KB |
Output is correct |
26 |
Correct |
274 ms |
269564 KB |
Output is correct |
27 |
Correct |
278 ms |
269564 KB |
Output is correct |
28 |
Correct |
275 ms |
269560 KB |
Output is correct |
29 |
Correct |
273 ms |
269560 KB |
Output is correct |
30 |
Correct |
271 ms |
269560 KB |
Output is correct |
31 |
Correct |
273 ms |
269564 KB |
Output is correct |
32 |
Correct |
273 ms |
269632 KB |
Output is correct |
33 |
Correct |
286 ms |
269608 KB |
Output is correct |
34 |
Correct |
330 ms |
269560 KB |
Output is correct |
35 |
Correct |
305 ms |
269584 KB |
Output is correct |
36 |
Correct |
279 ms |
269636 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
269688 KB |
Output is correct |
2 |
Correct |
269 ms |
269688 KB |
Output is correct |
3 |
Correct |
271 ms |
269532 KB |
Output is correct |
4 |
Correct |
277 ms |
269560 KB |
Output is correct |
5 |
Correct |
269 ms |
269592 KB |
Output is correct |
6 |
Correct |
269 ms |
269580 KB |
Output is correct |
7 |
Correct |
271 ms |
269592 KB |
Output is correct |
8 |
Correct |
271 ms |
269688 KB |
Output is correct |
9 |
Correct |
271 ms |
269660 KB |
Output is correct |
10 |
Correct |
272 ms |
269560 KB |
Output is correct |
11 |
Correct |
273 ms |
269560 KB |
Output is correct |
12 |
Correct |
313 ms |
269688 KB |
Output is correct |
13 |
Correct |
274 ms |
269812 KB |
Output is correct |
14 |
Correct |
269 ms |
269560 KB |
Output is correct |
15 |
Correct |
280 ms |
269672 KB |
Output is correct |
16 |
Correct |
295 ms |
269544 KB |
Output is correct |
17 |
Correct |
269 ms |
269560 KB |
Output is correct |
18 |
Correct |
271 ms |
269636 KB |
Output is correct |
19 |
Correct |
271 ms |
269688 KB |
Output is correct |
20 |
Correct |
304 ms |
270200 KB |
Output is correct |
21 |
Correct |
299 ms |
270096 KB |
Output is correct |
22 |
Correct |
314 ms |
275576 KB |
Output is correct |
23 |
Correct |
311 ms |
275576 KB |
Output is correct |
24 |
Correct |
381 ms |
275544 KB |
Output is correct |
25 |
Correct |
394 ms |
276168 KB |
Output is correct |
26 |
Correct |
371 ms |
275576 KB |
Output is correct |
27 |
Correct |
379 ms |
275320 KB |
Output is correct |
28 |
Correct |
386 ms |
276336 KB |
Output is correct |
29 |
Correct |
367 ms |
276472 KB |
Output is correct |
30 |
Correct |
375 ms |
276516 KB |
Output is correct |
31 |
Correct |
361 ms |
275564 KB |
Output is correct |
32 |
Correct |
359 ms |
276564 KB |
Output is correct |
33 |
Correct |
324 ms |
276192 KB |
Output is correct |
34 |
Correct |
329 ms |
276344 KB |
Output is correct |
35 |
Correct |
274 ms |
269704 KB |
Output is correct |
36 |
Correct |
274 ms |
269560 KB |
Output is correct |
37 |
Correct |
334 ms |
276464 KB |
Output is correct |
38 |
Correct |
343 ms |
276472 KB |
Output is correct |
39 |
Correct |
338 ms |
276344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
323 ms |
269520 KB |
Output is correct |
2 |
Correct |
330 ms |
269560 KB |
Output is correct |
3 |
Correct |
317 ms |
269728 KB |
Output is correct |
4 |
Correct |
332 ms |
269560 KB |
Output is correct |
5 |
Correct |
417 ms |
275576 KB |
Output is correct |
6 |
Correct |
333 ms |
275576 KB |
Output is correct |
7 |
Correct |
354 ms |
275580 KB |
Output is correct |
8 |
Correct |
340 ms |
276532 KB |
Output is correct |
9 |
Correct |
372 ms |
275568 KB |
Output is correct |
10 |
Correct |
419 ms |
275652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
269688 KB |
Output is correct |
2 |
Correct |
269 ms |
269688 KB |
Output is correct |
3 |
Correct |
269 ms |
269608 KB |
Output is correct |
4 |
Correct |
273 ms |
269608 KB |
Output is correct |
5 |
Correct |
274 ms |
269564 KB |
Output is correct |
6 |
Correct |
272 ms |
269532 KB |
Output is correct |
7 |
Correct |
272 ms |
269624 KB |
Output is correct |
8 |
Correct |
271 ms |
269560 KB |
Output is correct |
9 |
Correct |
274 ms |
269560 KB |
Output is correct |
10 |
Correct |
272 ms |
269560 KB |
Output is correct |
11 |
Correct |
268 ms |
269560 KB |
Output is correct |
12 |
Correct |
270 ms |
269560 KB |
Output is correct |
13 |
Correct |
272 ms |
269560 KB |
Output is correct |
14 |
Correct |
270 ms |
269532 KB |
Output is correct |
15 |
Correct |
276 ms |
269540 KB |
Output is correct |
16 |
Correct |
270 ms |
269560 KB |
Output is correct |
17 |
Correct |
274 ms |
269532 KB |
Output is correct |
18 |
Correct |
275 ms |
269688 KB |
Output is correct |
19 |
Correct |
272 ms |
269616 KB |
Output is correct |
20 |
Correct |
270 ms |
269560 KB |
Output is correct |
21 |
Correct |
275 ms |
269548 KB |
Output is correct |
22 |
Correct |
276 ms |
269568 KB |
Output is correct |
23 |
Correct |
271 ms |
269544 KB |
Output is correct |
24 |
Correct |
271 ms |
269560 KB |
Output is correct |
25 |
Correct |
272 ms |
269560 KB |
Output is correct |
26 |
Correct |
274 ms |
269564 KB |
Output is correct |
27 |
Correct |
278 ms |
269564 KB |
Output is correct |
28 |
Correct |
275 ms |
269560 KB |
Output is correct |
29 |
Correct |
273 ms |
269560 KB |
Output is correct |
30 |
Correct |
271 ms |
269560 KB |
Output is correct |
31 |
Correct |
273 ms |
269564 KB |
Output is correct |
32 |
Correct |
273 ms |
269632 KB |
Output is correct |
33 |
Correct |
286 ms |
269608 KB |
Output is correct |
34 |
Correct |
330 ms |
269560 KB |
Output is correct |
35 |
Correct |
305 ms |
269584 KB |
Output is correct |
36 |
Correct |
279 ms |
269636 KB |
Output is correct |
37 |
Correct |
275 ms |
269616 KB |
Output is correct |
38 |
Correct |
310 ms |
269688 KB |
Output is correct |
39 |
Correct |
272 ms |
269564 KB |
Output is correct |
40 |
Correct |
275 ms |
269660 KB |
Output is correct |
41 |
Correct |
342 ms |
269688 KB |
Output is correct |
42 |
Correct |
274 ms |
269688 KB |
Output is correct |
43 |
Correct |
276 ms |
269688 KB |
Output is correct |
44 |
Correct |
272 ms |
269804 KB |
Output is correct |
45 |
Correct |
271 ms |
269684 KB |
Output is correct |
46 |
Correct |
270 ms |
269688 KB |
Output is correct |
47 |
Correct |
271 ms |
269856 KB |
Output is correct |
48 |
Correct |
273 ms |
269688 KB |
Output is correct |
49 |
Correct |
271 ms |
269656 KB |
Output is correct |
50 |
Correct |
273 ms |
269708 KB |
Output is correct |
51 |
Correct |
274 ms |
269612 KB |
Output is correct |
52 |
Correct |
272 ms |
269604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
271 ms |
269688 KB |
Output is correct |
2 |
Correct |
269 ms |
269688 KB |
Output is correct |
3 |
Correct |
269 ms |
269608 KB |
Output is correct |
4 |
Correct |
273 ms |
269608 KB |
Output is correct |
5 |
Correct |
274 ms |
269564 KB |
Output is correct |
6 |
Correct |
272 ms |
269532 KB |
Output is correct |
7 |
Correct |
272 ms |
269624 KB |
Output is correct |
8 |
Correct |
271 ms |
269560 KB |
Output is correct |
9 |
Correct |
274 ms |
269560 KB |
Output is correct |
10 |
Correct |
272 ms |
269560 KB |
Output is correct |
11 |
Correct |
268 ms |
269560 KB |
Output is correct |
12 |
Correct |
270 ms |
269560 KB |
Output is correct |
13 |
Correct |
272 ms |
269560 KB |
Output is correct |
14 |
Correct |
270 ms |
269532 KB |
Output is correct |
15 |
Correct |
276 ms |
269540 KB |
Output is correct |
16 |
Correct |
270 ms |
269560 KB |
Output is correct |
17 |
Correct |
274 ms |
269532 KB |
Output is correct |
18 |
Correct |
275 ms |
269688 KB |
Output is correct |
19 |
Correct |
272 ms |
269616 KB |
Output is correct |
20 |
Correct |
270 ms |
269560 KB |
Output is correct |
21 |
Correct |
275 ms |
269548 KB |
Output is correct |
22 |
Correct |
276 ms |
269568 KB |
Output is correct |
23 |
Correct |
271 ms |
269544 KB |
Output is correct |
24 |
Correct |
271 ms |
269560 KB |
Output is correct |
25 |
Correct |
272 ms |
269560 KB |
Output is correct |
26 |
Correct |
274 ms |
269564 KB |
Output is correct |
27 |
Correct |
278 ms |
269564 KB |
Output is correct |
28 |
Correct |
275 ms |
269560 KB |
Output is correct |
29 |
Correct |
273 ms |
269560 KB |
Output is correct |
30 |
Correct |
271 ms |
269560 KB |
Output is correct |
31 |
Correct |
273 ms |
269564 KB |
Output is correct |
32 |
Correct |
273 ms |
269632 KB |
Output is correct |
33 |
Correct |
286 ms |
269608 KB |
Output is correct |
34 |
Correct |
330 ms |
269560 KB |
Output is correct |
35 |
Correct |
305 ms |
269584 KB |
Output is correct |
36 |
Correct |
279 ms |
269636 KB |
Output is correct |
37 |
Correct |
271 ms |
269532 KB |
Output is correct |
38 |
Correct |
277 ms |
269560 KB |
Output is correct |
39 |
Correct |
269 ms |
269592 KB |
Output is correct |
40 |
Correct |
269 ms |
269580 KB |
Output is correct |
41 |
Correct |
271 ms |
269592 KB |
Output is correct |
42 |
Correct |
271 ms |
269688 KB |
Output is correct |
43 |
Correct |
271 ms |
269660 KB |
Output is correct |
44 |
Correct |
272 ms |
269560 KB |
Output is correct |
45 |
Correct |
273 ms |
269560 KB |
Output is correct |
46 |
Correct |
313 ms |
269688 KB |
Output is correct |
47 |
Correct |
274 ms |
269812 KB |
Output is correct |
48 |
Correct |
269 ms |
269560 KB |
Output is correct |
49 |
Correct |
280 ms |
269672 KB |
Output is correct |
50 |
Correct |
295 ms |
269544 KB |
Output is correct |
51 |
Correct |
269 ms |
269560 KB |
Output is correct |
52 |
Correct |
271 ms |
269636 KB |
Output is correct |
53 |
Correct |
271 ms |
269688 KB |
Output is correct |
54 |
Correct |
304 ms |
270200 KB |
Output is correct |
55 |
Correct |
299 ms |
270096 KB |
Output is correct |
56 |
Correct |
314 ms |
275576 KB |
Output is correct |
57 |
Correct |
311 ms |
275576 KB |
Output is correct |
58 |
Correct |
381 ms |
275544 KB |
Output is correct |
59 |
Correct |
394 ms |
276168 KB |
Output is correct |
60 |
Correct |
371 ms |
275576 KB |
Output is correct |
61 |
Correct |
379 ms |
275320 KB |
Output is correct |
62 |
Correct |
386 ms |
276336 KB |
Output is correct |
63 |
Correct |
367 ms |
276472 KB |
Output is correct |
64 |
Correct |
375 ms |
276516 KB |
Output is correct |
65 |
Correct |
361 ms |
275564 KB |
Output is correct |
66 |
Correct |
359 ms |
276564 KB |
Output is correct |
67 |
Correct |
324 ms |
276192 KB |
Output is correct |
68 |
Correct |
329 ms |
276344 KB |
Output is correct |
69 |
Correct |
274 ms |
269704 KB |
Output is correct |
70 |
Correct |
274 ms |
269560 KB |
Output is correct |
71 |
Correct |
334 ms |
276464 KB |
Output is correct |
72 |
Correct |
343 ms |
276472 KB |
Output is correct |
73 |
Correct |
338 ms |
276344 KB |
Output is correct |
74 |
Correct |
323 ms |
269520 KB |
Output is correct |
75 |
Correct |
330 ms |
269560 KB |
Output is correct |
76 |
Correct |
317 ms |
269728 KB |
Output is correct |
77 |
Correct |
332 ms |
269560 KB |
Output is correct |
78 |
Correct |
417 ms |
275576 KB |
Output is correct |
79 |
Correct |
333 ms |
275576 KB |
Output is correct |
80 |
Correct |
354 ms |
275580 KB |
Output is correct |
81 |
Correct |
340 ms |
276532 KB |
Output is correct |
82 |
Correct |
372 ms |
275568 KB |
Output is correct |
83 |
Correct |
419 ms |
275652 KB |
Output is correct |
84 |
Correct |
275 ms |
269616 KB |
Output is correct |
85 |
Correct |
310 ms |
269688 KB |
Output is correct |
86 |
Correct |
272 ms |
269564 KB |
Output is correct |
87 |
Correct |
275 ms |
269660 KB |
Output is correct |
88 |
Correct |
342 ms |
269688 KB |
Output is correct |
89 |
Correct |
274 ms |
269688 KB |
Output is correct |
90 |
Correct |
276 ms |
269688 KB |
Output is correct |
91 |
Correct |
272 ms |
269804 KB |
Output is correct |
92 |
Correct |
271 ms |
269684 KB |
Output is correct |
93 |
Correct |
270 ms |
269688 KB |
Output is correct |
94 |
Correct |
271 ms |
269856 KB |
Output is correct |
95 |
Correct |
273 ms |
269688 KB |
Output is correct |
96 |
Correct |
271 ms |
269656 KB |
Output is correct |
97 |
Correct |
273 ms |
269708 KB |
Output is correct |
98 |
Correct |
274 ms |
269612 KB |
Output is correct |
99 |
Correct |
272 ms |
269604 KB |
Output is correct |
100 |
Correct |
275 ms |
269660 KB |
Output is correct |
101 |
Correct |
276 ms |
270200 KB |
Output is correct |
102 |
Correct |
289 ms |
270200 KB |
Output is correct |
103 |
Correct |
368 ms |
275604 KB |
Output is correct |
104 |
Correct |
334 ms |
275580 KB |
Output is correct |
105 |
Correct |
351 ms |
275576 KB |
Output is correct |
106 |
Correct |
355 ms |
275516 KB |
Output is correct |
107 |
Correct |
419 ms |
275600 KB |
Output is correct |
108 |
Correct |
323 ms |
275648 KB |
Output is correct |
109 |
Correct |
329 ms |
276512 KB |
Output is correct |
110 |
Correct |
324 ms |
276472 KB |
Output is correct |
111 |
Correct |
350 ms |
275576 KB |
Output is correct |
112 |
Correct |
353 ms |
275596 KB |
Output is correct |
113 |
Correct |
330 ms |
275508 KB |
Output is correct |
114 |
Correct |
356 ms |
275576 KB |
Output is correct |
115 |
Correct |
351 ms |
275576 KB |
Output is correct |