Submission #1098362

#	Time	Username	Problem	Language	Result	Execution time	Memory
1098362		alexander707070	Sorting (IOI15_sorting)	C++14	0 / 100	1 ms	600 KiB

sorting

#include<bits/stdc++.h>
#include "sorting.h"

#define MAXN 200007
using namespace std;

int n,m;
int pos[MAXN],s[MAXN];

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

	for(int i=0;i<n;i++)s[i]=S[i];

	for(int i=0;i<n;i++){
		pos[s[i]]=i;
	}

	for(int i=0;i<n;i++){
		P[i]=i; Q[i]=pos[i];

		swap(s[i],s[pos[i]]);
		swap(pos[s[i]],pos[s[pos[i]]]);
	}

	return n;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:10:46: warning: unused parameter 'X' [-Wunused-parameter]
   10 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~
sorting.cpp:10:55: warning: unused parameter 'Y' [-Wunused-parameter]
   10 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                                   ~~~~^~~

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