제출 #416494

#제출 시각아이디문제언어결과실행 시간메모리
416494victoriad정렬하기 (IOI15_sorting)C++14
20 / 100
1 ms352 KiB
#include "sorting.h"
#include "vector"
using namespace std;
int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	vector<int>c(N);
	for(int i=0;i<N;i++){
		c[S[i]]=i;
	}
	int r=0;
	for(int i=0;i<N;i++){
		if(S[i]!=i){
			P[r]=i;
			Q[r]=c[i];
			int x=S[i];
			S[c[i]]=x;
			c[x]=c[i];
			r++;
		}
	}
	return r;
}

컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:4:39: warning: unused parameter 'M' [-Wunused-parameter]
    4 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:4:46: warning: unused parameter 'X' [-Wunused-parameter]
    4 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~
sorting.cpp:4:55: warning: unused parameter 'Y' [-Wunused-parameter]
    4 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                                   ~~~~^~~
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