제출 #1235440

#제출 시각아이디문제언어결과실행 시간메모리
1235440Gabriel정렬하기 (IOI15_sorting)C++20
0 / 100
1 ms584 KiB
#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[]){
    /*P[0] = 0;
	Q[0] = 0;
	return 1;*/
	int r = 0;
	set< pair<int, int> > Cola;
	for(int i = 0; i < N; i++){
		Cola.insert({S[i], i});
	}
	for(int i = 0; i < N; i++){
		pair<int, int> Par = *Cola.begin();
		Cola.erase(Par);
		if(S[i] != Par.first){
			P[r] = i;
			Q[r] = Par.second;
			r++;
			swap(S[i], S[Par.second]);
		}
	}
	return r;
}
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