Submission #830552

#	Time	Username	Problem	Language	Result	Execution time	Memory
830552		Minindu206	Sorting (IOI15_sorting)	C++14	20 / 100	1 ms	340 KiB

sorting

#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 dif = 0;
	vector<int> pos(n, 0);
	for(int i=0;i<n;i++)
	{
		pos[s[i]] = i; 
	}
	int ind = 0;
	for(int i=0;i<n;i++)
	{
		
		// for(int j=0;j<n;j++)
		// 	cout << s[j] <<  " ";
		// cout << '\n';
		if(s[i] != i)
		{
			// cout << i << '\n';
			p[ind] = i;
			q[ind] = pos[i];
			int v = pos[i];
			pos[i] = i;
			pos[s[i]] = v;
			s[q[ind]] = s[i];
			s[i] = i;
			ind++;
		}
		// for(int j=0;j<n;j++)
		// 	cout << s[j] <<  " ";
		// cout << '\n';
	}
	return ind;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:6:6: warning: unused variable 'dif' [-Wunused-variable]
    6 |  int dif = 0;
      |      ^~~
sorting.cpp:4:39: warning: unused parameter 'm' [-Wunused-parameter]
    4 | int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[])
      |                                   ~~~~^
sorting.cpp:4:46: warning: unused parameter 'x' [-Wunused-parameter]
    4 | int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[])
      |                                          ~~~~^~~
sorting.cpp:4:55: warning: unused parameter 'y' [-Wunused-parameter]
    4 | int findSwapPairs(int n, int s[], int m, int x[], int y[], int p[], int q[])
      |                                                   ~~~~^~~

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 20
• Subtask 6: 0 / 26