제출 #1102980

#제출 시각아이디문제언어결과실행 시간메모리
1102980PioneerSorting (IOI15_sorting)C++17
20 / 100
3 ms500 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;
}

컴파일 시 표준 에러 (stderr) 메시지

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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