| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1018570 |
2024-07-10T06:58:03 Z |
huutuan |
Sorting (IOI15_sorting) |
C++14 |
|
1000 ms |
23380 KB |
#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
int a[200010], pos[200010], s[200010];
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
if (is_sorted(S, S+N)) return 0;
for (int _=0; _<M; ++_){
for (int i=0; i<N; ++i) s[i]=S[i];
for (int i=0; i<N; ++i) pos[s[i]]=i;
iota(a, a+N, 0);
for (int i=_; i>=0; --i) swap(a[X[i]], a[Y[i]]);
set<int> st;
for (int i=0; i<N; ++i) if (a[i]!=s[i]) st.insert(i);
for (int i=0; i<=_; ++i){
P[i]=Q[i]=0;
swap(a[X[i]], a[Y[i]]);
swap(s[X[i]], s[Y[i]]);
pos[s[X[i]]]=X[i];
pos[s[Y[i]]]=Y[i];
st.erase(X[i]); st.erase(Y[i]);
if (a[X[i]]!=s[X[i]]) st.insert(X[i]);
if (a[Y[i]]!=s[Y[i]]) st.insert(Y[i]);
// if (is_sorted(s, s+N)){
// return i+1;
// }
if (st.size()){
int j=*st.begin(); st.erase(st.begin());
int k=pos[a[j]];
P[i]=j, Q[i]=k;
}
swap(s[P[i]], s[Q[i]]);
pos[s[P[i]]]=P[i];
pos[s[Q[i]]]=Q[i];
st.erase(P[i]); st.erase(Q[i]);
if (a[P[i]]!=s[P[i]]) st.insert(P[i]);
if (a[Q[i]]!=s[Q[i]]) st.insert(Q[i]);
// if (is_sorted(s, s+N)){
// return i+1;
// }
}
if (is_sorted(s, s+N)) return _+1;
}
return -1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2404 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2404 KB |
Output is correct |
| 15 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
600 KB |
Output is correct |
| 20 |
Correct |
0 ms |
344 KB |
Output is correct |
| 21 |
Correct |
29 ms |
2396 KB |
Output is correct |
| 22 |
Correct |
29 ms |
2392 KB |
Output is correct |
| 23 |
Correct |
35 ms |
2396 KB |
Output is correct |
| 24 |
Correct |
26 ms |
2392 KB |
Output is correct |
| 25 |
Correct |
6 ms |
2648 KB |
Output is correct |
| 26 |
Correct |
12 ms |
2396 KB |
Output is correct |
| 27 |
Correct |
34 ms |
2616 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
622 ms |
2636 KB |
Output is correct |
| 2 |
Correct |
659 ms |
2652 KB |
Output is correct |
| 3 |
Correct |
805 ms |
2648 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
28 ms |
2644 KB |
Output is correct |
| 7 |
Correct |
224 ms |
2648 KB |
Output is correct |
| 8 |
Correct |
791 ms |
2648 KB |
Output is correct |
| 9 |
Correct |
929 ms |
2940 KB |
Output is correct |
| 10 |
Correct |
836 ms |
2684 KB |
Output is correct |
| 11 |
Correct |
668 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
230 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
718 ms |
2752 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2392 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
622 ms |
2636 KB |
Output is correct |
| 2 |
Correct |
659 ms |
2652 KB |
Output is correct |
| 3 |
Correct |
805 ms |
2648 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
28 ms |
2644 KB |
Output is correct |
| 7 |
Correct |
224 ms |
2648 KB |
Output is correct |
| 8 |
Correct |
791 ms |
2648 KB |
Output is correct |
| 9 |
Correct |
929 ms |
2940 KB |
Output is correct |
| 10 |
Correct |
836 ms |
2684 KB |
Output is correct |
| 11 |
Correct |
668 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
230 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
718 ms |
2752 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 15 |
Execution timed out |
1052 ms |
23380 KB |
Time limit exceeded |
| 16 |
Halted |
0 ms |
0 KB |
- |
