#include "sorting.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=1000000+10;
int all[maxn],n,q,fake[maxn],vis[maxn],lnk[maxn];
pair<int,int>alltagh[maxn];
void khor(){
for(int i=0;i<n;i++){
cout<<fake[i]<<" ";
}
cout<<endl;
for(int i=0;i<n;i++){
cout<<all[i]<<" ";
}
cout<<endl;
for(int i=0;i<n;i++){
cout<<lnk[i]<<endl;
}
cout<<endl;
cout<<endl;
}
vector<vector<int>> besaz(int ind){
vector<vector<int>>ret;
for(int i=0;i<n;i++){
fake[i]=all[i];
vis[i]=0;
}
for(int i=1;i<=ind;i++){
swap(fake[alltagh[i].first],fake[alltagh[i].second]);
}
for(int i=0;i<n;i++){
if(vis[i]==0){
ret.push_back({});
int now=i;
while(vis[now]==0){
// cout<<now<<" "<<fake[now]<<endl;
vis[now]=1;
ret.back().push_back(fake[now]);
now=fake[now];
}
}
}
return ret;
}
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
n=N;
for(int i=0;i<n;i++){
all[i]=S[i];
lnk[all[i]]=i;
}
q=M;
for(int i=1;i<=q;i++){
alltagh[i]=make_pair(X[i-1],Y[i-1]);
}
int low=-1,high=q,mid;
while(high-low>1){
mid=(high+low)>>1;
vector<vector<int>>te=besaz(mid);
if(n-(int)te.size()<=mid){
high=mid;
}else{
low=mid;
}
}
// for(int i=0;i<=q;i++){
// if(n-besaz(i).size()<=i){
// high=i;
// break;
// }
// }
vector<vector<int>>ger=besaz(high);
int now=0;
for(int i=0;i<(int)ger.size();i++){
for(int j=1;j<(int)ger[i].size();j++){
P[now]=min(ger[i][j],ger[i][j-1]);
Q[now]=max(ger[i][j],ger[i][j-1]);
now++;
}
}
for(int i=now;i<q;i++){
P[i]=Q[i]=0;
}
for(int i=1;i<=high;i++){
swap(lnk[all[alltagh[i].first]],lnk[all[alltagh[i].second]]);
swap(all[alltagh[i].first],all[alltagh[i].second]);
P[i-1]=lnk[P[i-1]];
Q[i-1]=lnk[Q[i-1]];
swap(lnk[all[P[i-1]]],lnk[all[Q[i-1]]]);
swap(all[P[i-1]],all[Q[i-1]]);
}
return high;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
8536 KB |
Output is correct |
2 |
Correct |
1 ms |
8540 KB |
Output is correct |
3 |
Correct |
1 ms |
8540 KB |
Output is correct |
4 |
Correct |
1 ms |
8540 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
8536 KB |
Output is correct |
2 |
Correct |
1 ms |
8540 KB |
Output is correct |
3 |
Correct |
1 ms |
8540 KB |
Output is correct |
4 |
Correct |
1 ms |
8540 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
1 ms |
8540 KB |
Output is correct |
8 |
Correct |
1 ms |
8540 KB |
Output is correct |
9 |
Correct |
1 ms |
8540 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
8540 KB |
Output is correct |
2 |
Correct |
1 ms |
8540 KB |
Output is correct |
3 |
Correct |
1 ms |
8540 KB |
Output is correct |
4 |
Correct |
1 ms |
8540 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
8536 KB |
Output is correct |
2 |
Correct |
1 ms |
8540 KB |
Output is correct |
3 |
Correct |
1 ms |
8540 KB |
Output is correct |
4 |
Correct |
1 ms |
8540 KB |
Output is correct |
5 |
Correct |
1 ms |
8540 KB |
Output is correct |
6 |
Correct |
1 ms |
8540 KB |
Output is correct |
7 |
Correct |
1 ms |
8540 KB |
Output is correct |
8 |
Correct |
1 ms |
8540 KB |
Output is correct |
9 |
Correct |
1 ms |
8540 KB |
Output is correct |
10 |
Correct |
1 ms |
8540 KB |
Output is correct |
11 |
Correct |
1 ms |
8540 KB |
Output is correct |
12 |
Correct |
1 ms |
8540 KB |
Output is correct |
13 |
Correct |
1 ms |
8540 KB |
Output is correct |
14 |
Correct |
1 ms |
8540 KB |
Output is correct |
15 |
Correct |
1 ms |
8540 KB |
Output is correct |
16 |
Correct |
1 ms |
8540 KB |
Output is correct |
17 |
Correct |
1 ms |
8540 KB |
Output is correct |
18 |
Correct |
1 ms |
8540 KB |
Output is correct |
19 |
Correct |
1 ms |
8536 KB |
Output is correct |
20 |
Correct |
1 ms |
8540 KB |
Output is correct |
21 |
Correct |
2 ms |
8792 KB |
Output is correct |
22 |
Correct |
1 ms |
8792 KB |
Output is correct |
23 |
Correct |
2 ms |
8796 KB |
Output is correct |
24 |
Correct |
1 ms |
8796 KB |
Output is correct |
25 |
Correct |
2 ms |
8796 KB |
Output is correct |
26 |
Correct |
2 ms |
8796 KB |
Output is correct |
27 |
Correct |
1 ms |
8808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
8796 KB |
Output is correct |
2 |
Correct |
1 ms |
8796 KB |
Output is correct |
3 |
Correct |
1 ms |
8796 KB |
Output is correct |
4 |
Correct |
2 ms |
8796 KB |
Output is correct |
5 |
Correct |
3 ms |
8796 KB |
Output is correct |
6 |
Correct |
2 ms |
8796 KB |
Output is correct |
7 |
Correct |
2 ms |
8796 KB |
Output is correct |
8 |
Correct |
2 ms |
8796 KB |
Output is correct |
9 |
Correct |
1 ms |
8796 KB |
Output is correct |
10 |
Correct |
2 ms |
8796 KB |
Output is correct |
11 |
Correct |
2 ms |
8796 KB |
Output is correct |
12 |
Correct |
2 ms |
8796 KB |
Output is correct |
13 |
Correct |
1 ms |
8796 KB |
Output is correct |
14 |
Correct |
2 ms |
8896 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
8796 KB |
Output is correct |
2 |
Correct |
1 ms |
8796 KB |
Output is correct |
3 |
Correct |
1 ms |
8796 KB |
Output is correct |
4 |
Correct |
2 ms |
8796 KB |
Output is correct |
5 |
Correct |
3 ms |
8796 KB |
Output is correct |
6 |
Correct |
2 ms |
8796 KB |
Output is correct |
7 |
Correct |
2 ms |
8796 KB |
Output is correct |
8 |
Correct |
2 ms |
8796 KB |
Output is correct |
9 |
Correct |
1 ms |
8796 KB |
Output is correct |
10 |
Correct |
2 ms |
8796 KB |
Output is correct |
11 |
Correct |
2 ms |
8796 KB |
Output is correct |
12 |
Correct |
2 ms |
8796 KB |
Output is correct |
13 |
Correct |
1 ms |
8796 KB |
Output is correct |
14 |
Correct |
2 ms |
8896 KB |
Output is correct |
15 |
Correct |
119 ms |
26568 KB |
Output is correct |
16 |
Correct |
125 ms |
24564 KB |
Output is correct |
17 |
Correct |
136 ms |
28584 KB |
Output is correct |
18 |
Correct |
231 ms |
37872 KB |
Output is correct |
19 |
Correct |
204 ms |
33216 KB |
Output is correct |
20 |
Correct |
213 ms |
37120 KB |
Output is correct |
21 |
Correct |
207 ms |
37136 KB |
Output is correct |
22 |
Correct |
118 ms |
28596 KB |
Output is correct |
23 |
Correct |
134 ms |
30012 KB |
Output is correct |
24 |
Correct |
135 ms |
28464 KB |
Output is correct |
25 |
Correct |
137 ms |
29052 KB |
Output is correct |
26 |
Correct |
233 ms |
36592 KB |
Output is correct |
27 |
Correct |
222 ms |
35840 KB |
Output is correct |
28 |
Correct |
162 ms |
29012 KB |
Output is correct |
29 |
Correct |
160 ms |
29756 KB |
Output is correct |
30 |
Correct |
291 ms |
33428 KB |
Output is correct |
31 |
Correct |
161 ms |
30164 KB |
Output is correct |
32 |
Correct |
139 ms |
23980 KB |
Output is correct |
33 |
Correct |
142 ms |
27656 KB |
Output is correct |
34 |
Correct |
131 ms |
27472 KB |
Output is correct |
35 |
Correct |
201 ms |
31544 KB |
Output is correct |
36 |
Correct |
239 ms |
36376 KB |
Output is correct |
37 |
Correct |
151 ms |
29384 KB |
Output is correct |
38 |
Correct |
147 ms |
28572 KB |
Output is correct |
39 |
Correct |
137 ms |
30308 KB |
Output is correct |