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Submission #620989

# Submission time Handle Problem Language Result Execution time Memory
620989 2022-08-03T10:53:55 Z Hazem Sorting (IOI15_sorting) C++14
0 / 100
 6 ms 340 KB 
#include <bits/stdc++.h>

using namespace std;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	
	int n = N;
	int cur = 0;

	swap(S[0],S[1]);
	for(int i=0;i<n;i++)
		if(S[i]==0){
			P[cur] = 1;
			Q[cur] = i;
			cur++;
			swap(S[i],S[1]);
		} 
	
	
	swap(S[0],S[1]);
	for(int i=0;i<n;i++)
		if(S[i]==1){
			P[cur] = 1;
			Q[cur] = i;
			cur++;
			swap(S[i],S[1]);
		} 
	

	for(int i=2;i<n;i++)
		for(int j=2;j<n;j++)
			if(i==j)
				continue;
			else 
			if(S[j]==i){
				P[cur] = i;
				Q[cur] = j;
				cur++;
				swap(S[i],S[j]);
			}

	if((cur&1)){
		swap(S[0],S[1]);
		P[cur] = 0;
		Q[cur] = 0;
		cur++;
	}

	return cur;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:5:39: warning: unused parameter 'M' [-Wunused-parameter]
    5 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:5:46: warning: unused parameter 'X' [-Wunused-parameter]
    5 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~
sorting.cpp:5:55: warning: unused parameter 'Y' [-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 Incorrect 1 ms 212 KB Integer parameter [name=R] equals to 2, violates the range [0, 1]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Integer parameter [name=R] equals to 2, violates the range [0, 1]
2 Halted 0 ms 0 KB -

Subtask #3
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 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 1 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Integer parameter [name=R] equals to 2, violates the range [0, 1]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -