2920번 음계

#include <iostream>
#include <cstdio>
 
using namespace std;
 
#define DESCENDING 0
#define ASCENDING 1
#define MIXED -1
 
int main() {
    int temp, n;
 
    scanf("%d", &n);
    int result;
    for(int i = 0; i < 7; i++) {
        scanf("%d", &temp);
        if(n - temp == -1) result = ASCENDING;
        else if(n - temp == 1) result = DESCENDING;
        else {result = MIXED; break;}
        n = temp;
    }
 
    if(result == DESCENDING) printf("descending\n");
    else if(result == ASCENDING) printf("ascending\n");
    else printf("mixed\n");
}