Shohan's Problem

#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);

    int length = 0, num = n;
    while (num > 0) {
        num /= 10;
        length++;
    }
    int arr[100000];
    for (int i = 0; i < length; i++) {
        arr[i] = n % 10;
        n /= 10;
    }
    int flag = 1, temp = 1;

    if (flag) {
        for (int i = 1; i < length; i++) {
            if (arr[0] < arr[i]) {
                flag = 0;
                break;
            }
        }
    }

    if (temp) {
        for (int i = 0; i < length - 1; i++) {
            if (arr[length - 1] < arr[i]) {
                temp = 0;
                break;
            }
        }
    }
    if (!flag && !temp) {
        printf("Opaque Number\n");
    } else {
        printf("Not Opaque Number\n");
    }
}