#include<bits/stdc++.h>
#include "sorting.h"
using namespace std;
const int MAX_SWAP=1000*1000;
int nbVal,nbSwap,posModif,nouvVal,deb,fin,mid,verif;
int autreSwap[MAX_SWAP][2];
int val[MAX_SWAP];
int obj[MAX_SWAP];
vector<pair<int,int>> nouv;
vector<pair<int,int>> rep;
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
nbVal=N;
nbSwap=M;
for (int i=0;i<nbVal;i++) {
val[i]=S[i];
}
for (int i=0;i<nbSwap;i++) {
autreSwap[i][0]=X[i];
autreSwap[i][1]=Y[i];
}
fin=nbSwap;
rep.resize(nbSwap);
while (deb!=fin) {
mid=(deb+fin)/2;
nouv.clear();
for (int i=0;i<nbVal;i++) {
obj[i]=i;
}
for (int i=0;i<nbVal;i++) {
val[i]=S[i];
}
for (int i=mid-1;i>=0;i--) {
swap(obj[autreSwap[i][0]],obj[autreSwap[i][1]]);
/*for (int j=0;j<nbVal;j++) {
cout<<obj[j]<<" ";
}
cout<<endl;*/
}
for (int i=0;i<mid;i++) {
swap(obj[autreSwap[i][0]],obj[autreSwap[i][1]]);
swap(val[autreSwap[i][0]],val[autreSwap[i][1]]);
posModif=0;
nouvVal=0;
for (int j=0;j<nbVal;j++) {
if (val[j]!=obj[j]) {
posModif=j;
}
}
for (int j=0;j<nbVal;j++) {
if (obj[j]==val[posModif]) {
nouvVal=j;
}
}
/*for (int j=0;j<nbVal;j++) {
cout<<val[j]<<" ";
}
cout<<" ";
for (int j=0;j<nbVal;j++) {
cout<<obj[j]<<" ";
}
cout<<" ";
cout<<posModif<<" : ";*/
nouv.push_back({posModif,nouvVal});
swap(val[posModif],val[nouvVal]);
/*for (int j=0;j<nbVal;j++) {
cout<<val[j]<<" ";
}
cout<<" ";
for (int j=0;j<nbVal;j++) {
cout<<obj[j]<<" ";
}
cout<<endl;*/
}
verif=1;
for (int i=0;i<nbVal;i++) {
if (val[i]!=i) {
verif=0;
}
}
if (verif==0) {
deb=mid+1;
}
if (verif==1) {
fin=mid;
if (nouv.size()<rep.size()) {
rep=nouv;
}
}
}
for (int i=0;i<deb;i++) {
P[i]=rep[i].first;
Q[i]=rep[i].second;
}
return deb;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
452 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
464 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
452 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
464 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
388 KB |
Output is correct |
21 |
Correct |
14 ms |
852 KB |
Output is correct |
22 |
Correct |
13 ms |
852 KB |
Output is correct |
23 |
Correct |
13 ms |
852 KB |
Output is correct |
24 |
Correct |
12 ms |
852 KB |
Output is correct |
25 |
Correct |
17 ms |
872 KB |
Output is correct |
26 |
Correct |
11 ms |
908 KB |
Output is correct |
27 |
Correct |
12 ms |
852 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
596 KB |
Output is correct |
2 |
Correct |
65 ms |
596 KB |
Output is correct |
3 |
Correct |
57 ms |
596 KB |
Output is correct |
4 |
Correct |
19 ms |
604 KB |
Output is correct |
5 |
Correct |
18 ms |
596 KB |
Output is correct |
6 |
Correct |
24 ms |
584 KB |
Output is correct |
7 |
Correct |
47 ms |
616 KB |
Output is correct |
8 |
Correct |
62 ms |
584 KB |
Output is correct |
9 |
Correct |
61 ms |
588 KB |
Output is correct |
10 |
Correct |
84 ms |
608 KB |
Output is correct |
11 |
Correct |
69 ms |
600 KB |
Output is correct |
12 |
Correct |
52 ms |
596 KB |
Output is correct |
13 |
Correct |
60 ms |
596 KB |
Output is correct |
14 |
Correct |
17 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
596 KB |
Output is correct |
2 |
Correct |
65 ms |
596 KB |
Output is correct |
3 |
Correct |
57 ms |
596 KB |
Output is correct |
4 |
Correct |
19 ms |
604 KB |
Output is correct |
5 |
Correct |
18 ms |
596 KB |
Output is correct |
6 |
Correct |
24 ms |
584 KB |
Output is correct |
7 |
Correct |
47 ms |
616 KB |
Output is correct |
8 |
Correct |
62 ms |
584 KB |
Output is correct |
9 |
Correct |
61 ms |
588 KB |
Output is correct |
10 |
Correct |
84 ms |
608 KB |
Output is correct |
11 |
Correct |
69 ms |
600 KB |
Output is correct |
12 |
Correct |
52 ms |
596 KB |
Output is correct |
13 |
Correct |
60 ms |
596 KB |
Output is correct |
14 |
Correct |
17 ms |
596 KB |
Output is correct |
15 |
Execution timed out |
1020 ms |
22596 KB |
Time limit exceeded |
16 |
Halted |
0 ms |
0 KB |
- |