#include <bits/stdc++.h>
using namespace std;
const int c=200002;
int lo, hi, mid, st=0, a[c], ia[c], b[c], ib[c], cs1, cs2;
vector<int> e, f;
void acsere() {swap(ia[a[cs1]], ia[a[cs2]]), swap(a[cs1], a[cs2]);}
void bcsere() {swap(ib[b[cs1]], ib[b[cs2]]), swap(b[cs1], b[cs2]);}
int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[]) {
lo=-1, hi=n;
while(hi-lo>1) {
mid=(hi+lo)/2, st=0;
for (int i=0; i<n; i++) a[i]=s[i], b[i]=i, ia[s[i]]=i, ib[i]=i;
e.clear(), f.clear();
for (int i=mid-1; i>=0; i--) swap(ib[b[x[i]]], ib[b[y[i]]]), swap(b[x[i]], b[y[i]]);
cs1=x[0], cs2=y[0];
if (mid) acsere(), bcsere();
for (int i=0; i<n; i++) {
if (ia[i]!=ib[i]) {
cs1=ia[i], cs2=ib[i];
e.push_back(cs1), f.push_back(cs2);
acsere();
st++;
if (st<mid) {
cs1=x[st], cs2=y[st];
acsere(), bcsere();
}
}
}
while(st<mid) e.push_back(0), f.push_back(0), st++;
if (st<=mid) {
hi=mid;
for (int i=0; i<mid; i++) p[i]=e[i], q[i]=f[i];
}
else lo=mid;
}
return hi;
}
Compilation message
sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:9:39: warning: unused parameter 'm' [-Wunused-parameter]
9 | int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[]) {
| ~~~~^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
416 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
416 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
0 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
512 KB |
Output is correct |
| 22 |
Correct |
2 ms |
640 KB |
Output is correct |
| 23 |
Correct |
2 ms |
640 KB |
Output is correct |
| 24 |
Correct |
1 ms |
640 KB |
Output is correct |
| 25 |
Correct |
2 ms |
640 KB |
Output is correct |
| 26 |
Correct |
1 ms |
512 KB |
Output is correct |
| 27 |
Correct |
1 ms |
640 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
512 KB |
Output is correct |
| 2 |
Correct |
2 ms |
512 KB |
Output is correct |
| 3 |
Correct |
2 ms |
512 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
2 ms |
512 KB |
Output is correct |
| 6 |
Correct |
1 ms |
512 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Correct |
2 ms |
512 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
3 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
2 ms |
512 KB |
Output is correct |
| 14 |
Correct |
1 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
512 KB |
Output is correct |
| 2 |
Correct |
2 ms |
512 KB |
Output is correct |
| 3 |
Correct |
2 ms |
512 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
2 ms |
512 KB |
Output is correct |
| 6 |
Correct |
1 ms |
512 KB |
Output is correct |
| 7 |
Correct |
2 ms |
512 KB |
Output is correct |
| 8 |
Correct |
2 ms |
512 KB |
Output is correct |
| 9 |
Correct |
2 ms |
512 KB |
Output is correct |
| 10 |
Correct |
3 ms |
512 KB |
Output is correct |
| 11 |
Correct |
3 ms |
512 KB |
Output is correct |
| 12 |
Correct |
2 ms |
512 KB |
Output is correct |
| 13 |
Correct |
2 ms |
512 KB |
Output is correct |
| 14 |
Correct |
1 ms |
512 KB |
Output is correct |
| 15 |
Correct |
228 ms |
14692 KB |
Output is correct |
| 16 |
Correct |
293 ms |
14936 KB |
Output is correct |
| 17 |
Correct |
382 ms |
15556 KB |
Output is correct |
| 18 |
Correct |
75 ms |
11244 KB |
Output is correct |
| 19 |
Correct |
212 ms |
12908 KB |
Output is correct |
| 20 |
Correct |
254 ms |
13844 KB |
Output is correct |
| 21 |
Correct |
255 ms |
13924 KB |
Output is correct |
| 22 |
Correct |
214 ms |
15972 KB |
Output is correct |
| 23 |
Correct |
235 ms |
15972 KB |
Output is correct |
| 24 |
Correct |
381 ms |
15844 KB |
Output is correct |
| 25 |
Correct |
382 ms |
15588 KB |
Output is correct |
| 26 |
Correct |
248 ms |
13688 KB |
Output is correct |
| 27 |
Correct |
233 ms |
13036 KB |
Output is correct |
| 28 |
Correct |
399 ms |
15460 KB |
Output is correct |
| 29 |
Correct |
394 ms |
15336 KB |
Output is correct |
| 30 |
Correct |
157 ms |
13036 KB |
Output is correct |
| 31 |
Correct |
336 ms |
15972 KB |
Output is correct |
| 32 |
Correct |
261 ms |
16388 KB |
Output is correct |
| 33 |
Correct |
365 ms |
16484 KB |
Output is correct |
| 34 |
Correct |
310 ms |
16356 KB |
Output is correct |
| 35 |
Correct |
261 ms |
13420 KB |
Output is correct |
| 36 |
Correct |
61 ms |
12524 KB |
Output is correct |
| 37 |
Correct |
383 ms |
16612 KB |
Output is correct |
| 38 |
Correct |
356 ms |
16228 KB |
Output is correct |
| 39 |
Correct |
365 ms |
16356 KB |
Output is correct |
