2920번: 음계

#include <iostream>

using namespace std;

int main()

{

int sound[8], u=0;

for (int i = 0; i < 8; ++i)

cin >> sound[i];

for (int i = 0; i < 7; ++i)

{

u = (sound[i + 1] > sound[i]) ? (u + 1) : (u - 1);

}

switch (u)

{

case 7:cout << "ascending"; break;

case -7:cout << "descending"; break;

default:cout << "mixed";

}

}