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Submission #599148

# Submission time Handle Problem Language Result Execution time Memory
599148 2022-07-19T10:48:56 Z sofapuden Sorting (IOI15_sorting) C++14
100 / 100
 581 ms 28860 KB 
#include "sorting.h"
#include<bits/stdc++.h>

using namespace std;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	int l = 0, r = M, bes = M;
	while(l <= r){
		vector<int> seq(N);
		for(int i = 0; i < N; ++i)seq[i] = S[i];
		int m = (l+r)>>1;
		for(int i = 0; i < m; ++i)swap(seq[X[i]],seq[Y[i]]);
		int cn = 0;
		for(int i = 0; i < N; ++i){
			while(seq[i] != i){
				cn++;
				swap(seq[i],seq[seq[i]]);
			}
		}
		if(cn > m)l = m+1;
		else bes = m, r = m-1;
	}
	map<int,int> Ma;
	for(int i = 0; i < N; ++i)Ma[S[i]] = i;
	vector<int> seq(N);
	for(int i = 0; i < N; ++i)seq[i] = S[i];
	for(int i = 0; i < bes; ++i)swap(seq[X[i]],seq[Y[i]]);
	int cn = 0;
	for(int i = 0; i < N; ++i){
		while(seq[i] != i){
			P[cn] = seq[i];
			Q[cn] = seq[seq[i]];
			cn++;
			swap(seq[i],seq[seq[i]]);
		}
	}
	for(int i = 0; i < bes; ++i){
		swap(S[X[i]],S[Y[i]]);
		swap(Ma[S[X[i]]],Ma[S[Y[i]]]);
		P[i] = Ma[P[i]];
		Q[i] = Ma[Q[i]];
		swap(S[P[i]],S[Q[i]]);
		swap(Ma[S[P[i]]],Ma[S[Q[i]]]);
	}
	return bes;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory 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 0 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory 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 0 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 292 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 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 304 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory 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 0 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 292 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 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 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 304 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 440 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 436 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 3 ms 436 KB Output is correct
10 Correct 2 ms 436 KB Output is correct
11 Correct 3 ms 440 KB Output is correct
12 Correct 2 ms 436 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct

Subtask #6
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 440 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 3 ms 436 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 436 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 3 ms 436 KB Output is correct
10 Correct 2 ms 436 KB Output is correct
11 Correct 3 ms 440 KB Output is correct
12 Correct 2 ms 436 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 366 ms 24792 KB Output is correct
16 Correct 434 ms 25212 KB Output is correct
17 Correct 552 ms 27064 KB Output is correct
18 Correct 92 ms 22712 KB Output is correct
19 Correct 284 ms 25948 KB Output is correct
20 Correct 324 ms 26856 KB Output is correct
21 Correct 276 ms 26872 KB Output is correct
22 Correct 357 ms 22080 KB Output is correct
23 Correct 404 ms 27584 KB Output is correct
24 Correct 503 ms 27388 KB Output is correct
25 Correct 546 ms 27496 KB Output is correct
26 Correct 330 ms 26684 KB Output is correct
27 Correct 304 ms 25844 KB Output is correct
28 Correct 497 ms 27136 KB Output is correct
29 Correct 430 ms 27216 KB Output is correct
30 Correct 226 ms 25388 KB Output is correct
31 Correct 479 ms 27772 KB Output is correct
32 Correct 417 ms 26612 KB Output is correct
33 Correct 517 ms 27720 KB Output is correct
34 Correct 447 ms 27416 KB Output is correct
35 Correct 295 ms 25632 KB Output is correct
36 Correct 81 ms 24396 KB Output is correct
37 Correct 581 ms 28860 KB Output is correct
38 Correct 486 ms 27312 KB Output is correct
39 Correct 457 ms 27860 KB Output is correct