백준 2920 음계

#include <iostream>
#include <string.h>
 
using namespace std;
string GetString(int list[] , int size)
{
    string str = "";
    for (int idx = 0; idx < size-1; idx++)
    {
        if (list[idx + 1] == list[idx] + 1)
        {
            str = "ascending";
        }
        else if (list[idx + 1] == list[idx] - 1)
        {
            str = "descending";
        }
        else
        {
            str = "mixed";
            return str;
        }
    }
    return str;
}
 
int main()
{
    const int size = 8;
    int input = 0;
    int list[size];
    for (int idx =0 ; idx < size ; idx++)
    {
        scanf("%d", &input);
        list[idx] = input;
    }
    printf("%s", GetString(list,size).c_str());
    return 0;
}