帮我看看哪里有问题,十个样例输入对了八个错两个
#include<iostream>
#include<string.h>
using namespace std;
int main()
{
int num;
int arr[500];
memset(arr, -1, sizeof(arr));
cin >> num;
for (int i = 0; i < num; i++)
cin >> arr[i];
for (int i = 0; i < num - 1; i++)
{
for (int j = 0; j < num - i - 1; j++)
{
if (arr[j] > arr[j + 1])
{
int temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
if (arr[0] % 2 != 0)
cout << arr[0];
for (int i = 1; i < num; i++)
{
if (arr[i] == -1)
return 0;
else if (arr[i] % 2 == 0)
continue;
else
cout << "," << arr[i];
}
}