Submission #1098369

#TimeUsernameProblemLanguageResultExecution timeMemory
1098369alexander707070Sorting (IOI15_sorting)C++14
20 / 100
6 ms444 KiB
#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++){
		for(int f=0;f<n;f++){
			if(s[f]==i){

				P[i]=i; Q[i]=f;
				swap(s[i],s[f]);
			}
		}
	}

	while(n>0 and P[n-1]==Q[n-1])n--;

	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[]) {
      |                                                   ~~~~^~~
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