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Submission #795520

# Submission time Handle Problem Language Result Execution time Memory
795520 2023-07-27T10:49:28 Z Josia Sorting (IOI15_sorting) C++17
16 / 100
 3 ms 440 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[]) {
	if (N == 1) return 0;
	vector<int> S(N);
	for (int i = 0; i<N; i++) S[i] = _S[i];
    for (int i = 2; i<N; i++) {
		swap(S[X[i-2]], S[Y[i-2]]);
		for (int j = 0; j<N; j++) {
			if (S[j] == i) {
				swap(S[j], S[i]);
				P[i-2]=i;
				Q[i-2]=j;
				break;
			}
		}
	}
	if (S[0] == 0) return N-2;
	
	swap(S[X[N-2]], S[Y[N-2]]);
	if (S[0] == 0) {P[N-2]=0;Q[N-2]=0;}
	else {P[N-2]=0;Q[N-2]=1;}
	
	return N-1;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:5:40: warning: unused parameter 'M' [-Wunused-parameter]
    5 | int findSwapPairs(int N, int _S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                    ~~~~^

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 0 ms 296 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 0 ms 296 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 0 ms 296 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 440 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 440 KB Output isn't correct
2 Halted 0 ms 0 KB -