제출 #1122134

#제출 시각아이디문제언어결과실행 시간메모리
1122134epicci23정렬하기 (IOI15_sorting)C++17
16 / 100
2 ms340 KiB
#include "bits/stdc++.h"
#include "sorting.h"
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]){
  vector<int> ar(N);
  for(int i = 0 ; i < N ; i++) ar[i] = S[i];
  for(int i = N - 1; i >= 0 ; i--){
  	if(is_sorted(all(ar))) return N-1-i;
  	swap(ar[X[N -1 -i]],ar[Y[N -1 -i]]);
  	for(int j = 0; j < N ; j++){
  	  if(ar[j] == i){
  	    P[N -1 -i] = j;
  	    Q[N -1 -i] = i;
  	    swap(ar[i], ar[j]);
  	    break;
  	  }
  	}
  }

  return N;
}


컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:7:39: warning: unused parameter 'M' [-Wunused-parameter]
    7 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]){
      |                                   ~~~~^
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