제출 #135849

#제출 시각아이디문제언어결과실행 시간메모리
135849AyaBenSaad정렬하기 (IOI15_sorting)C++14
20 / 100
3 ms504 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[]) {
    int r = 0;
    pair <int, int> t[N], a[N];
    for (int i = 0; i < N; i++) t[i] = {S[i], i};
    sort (t, t+N);
	for (int i = 0; i < N; i++) {
		a[t[i].second] = {t[i].second, i};
	}
	int id = 0;
	while (id < N) {
		while (a[id].second != id) {
			P[r] = id;
			Q[r] = a[id].second;
			swap (a[id], a[a[id].second]);
			r++;
		}
		id++;
	}
	return r;
}


컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:6:39: warning: unused parameter 'M' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                       ^
sorting.cpp:6:48: warning: unused parameter 'X' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                                ^
sorting.cpp:6:57: warning: unused parameter 'Y' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                                         ^
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