#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
int n,m,*x,*y,*s,*p,*q;
int a[500010],b[500010],c[500010],d[500010];
bool f(int z) {
int i,j;
for(i=0;i<n;i++) {
a[i]=b[i]=s[i];
}
for(i=0;i<z;i++) {
swap(a[x[i]],a[y[i]]);
}
for(i=0;i<n;i++) {
c[a[i]]=i;
d[b[i]]=i;
}
j=0;
for(i=0;i<z;i++) {
swap(d[b[x[i]]],d[b[y[i]]]);
swap(b[x[i]],b[y[i]]);
while(j<n&&a[j]==j)j++;
if(j==n)p[i]=q[i]=0;
else {
p[i]=d[j],q[i]=d[a[j]];
swap(b[d[j]],b[d[a[j]]]);
swap(d[j],d[a[j]]);
c[a[j]]=c[j];
swap(a[j],a[c[j]]);
c[j]=j;
}
}
for(i=0;i+1<n;i++) if(a[i]>a[i+1]) return false;
return true;
}
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
n=N;s=S;m=M;x=X;y=Y;p=P;q=Q;
int lo=0,hi=M;
while(lo<hi) {
int mid=(lo+hi)/2;
if(f(mid))hi=mid;
else lo=mid+1;
}
f(lo);
return lo;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
380 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
380 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
380 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
380 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
476 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
2 ms |
380 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
380 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
504 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 ms |
476 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
504 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
632 KB |
Output is correct |
22 |
Correct |
3 ms |
632 KB |
Output is correct |
23 |
Correct |
3 ms |
632 KB |
Output is correct |
24 |
Correct |
3 ms |
632 KB |
Output is correct |
25 |
Correct |
3 ms |
632 KB |
Output is correct |
26 |
Correct |
3 ms |
632 KB |
Output is correct |
27 |
Correct |
3 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
632 KB |
Output is correct |
2 |
Correct |
4 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
508 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
504 KB |
Output is correct |
8 |
Correct |
4 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
4 ms |
504 KB |
Output is correct |
11 |
Correct |
4 ms |
504 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
4 ms |
500 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
632 KB |
Output is correct |
2 |
Correct |
4 ms |
504 KB |
Output is correct |
3 |
Correct |
3 ms |
508 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
504 KB |
Output is correct |
6 |
Correct |
3 ms |
504 KB |
Output is correct |
7 |
Correct |
3 ms |
504 KB |
Output is correct |
8 |
Correct |
4 ms |
504 KB |
Output is correct |
9 |
Correct |
3 ms |
504 KB |
Output is correct |
10 |
Correct |
4 ms |
504 KB |
Output is correct |
11 |
Correct |
4 ms |
504 KB |
Output is correct |
12 |
Correct |
3 ms |
632 KB |
Output is correct |
13 |
Correct |
4 ms |
500 KB |
Output is correct |
14 |
Correct |
3 ms |
504 KB |
Output is correct |
15 |
Correct |
273 ms |
20076 KB |
Output is correct |
16 |
Correct |
320 ms |
20600 KB |
Output is correct |
17 |
Correct |
419 ms |
21624 KB |
Output is correct |
18 |
Correct |
128 ms |
18552 KB |
Output is correct |
19 |
Correct |
307 ms |
20856 KB |
Output is correct |
20 |
Correct |
328 ms |
21496 KB |
Output is correct |
21 |
Correct |
334 ms |
21496 KB |
Output is correct |
22 |
Correct |
262 ms |
16960 KB |
Output is correct |
23 |
Correct |
288 ms |
22540 KB |
Output is correct |
24 |
Correct |
450 ms |
22108 KB |
Output is correct |
25 |
Correct |
420 ms |
21752 KB |
Output is correct |
26 |
Correct |
299 ms |
21468 KB |
Output is correct |
27 |
Correct |
272 ms |
20856 KB |
Output is correct |
28 |
Correct |
405 ms |
22136 KB |
Output is correct |
29 |
Correct |
381 ms |
21724 KB |
Output is correct |
30 |
Correct |
228 ms |
20472 KB |
Output is correct |
31 |
Correct |
380 ms |
22136 KB |
Output is correct |
32 |
Correct |
299 ms |
21816 KB |
Output is correct |
33 |
Correct |
407 ms |
22120 KB |
Output is correct |
34 |
Correct |
379 ms |
22056 KB |
Output is correct |
35 |
Correct |
303 ms |
20572 KB |
Output is correct |
36 |
Correct |
91 ms |
19876 KB |
Output is correct |
37 |
Correct |
508 ms |
22904 KB |
Output is correct |
38 |
Correct |
462 ms |
21880 KB |
Output is correct |
39 |
Correct |
469 ms |
22008 KB |
Output is correct |