제출 #223082

#제출 시각아이디문제언어결과실행 시간메모리
223082emil_physmath정렬하기 (IOI15_sorting)C++17
0 / 100
14 ms384 KiB
#include "sorting.h"
#include <vector>
using namespace std;

int findSwapPairs(int n, int a[], int m, int x[], int y[], int p[], int q[])
{
    for (int i = 0; i < n; ++i)
    {
        swap(a[x[i]], a[y[i]]);
        vector<int> b(a, a + n);
        for (int j = i + 1; j < n; ++j)
            swap(b[x[j]], b[y[j]]);
        for (int j = 0; j < n; ++j)
            if (a[j] == i)
            {
                p[i] = j;
                break;
            }
        for (int j = 0; j < n; ++j)
            if (a[j] == b[i])
            {
                q[i] = j;
                break;
            }
        swap(a[p[i]], a[q[i]]);
    }
    return n;
}

컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:5:39: warning: unused parameter 'm' [-Wunused-parameter]
 int findSwapPairs(int n, int a[], int m, int x[], int y[], int p[], int q[])
                                       ^
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