Doubt in pattern 33 (practice questions)

#1

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Hi, I’m not able to write the code to increment & decrement
numbers here. could you help?

#2

Hey @koushk
please send your code just copy paste

#3

int nst = 1;
int nsp = n - 1;
int row = 1;
int num = 9;
while (row <= n) {
int csp = 1;
while (csp <= nsp) {
System.out.print(" ");
csp++;
}
int cst = 1;

        while (cst <= nst) {
            if (row == 1) {
                System.out.print("0");
                break;
            } else {
                if (row == cst) {
                    System.out.print("0");
                } else {
                    System.out.print(num);
                }
                cst++;
            }
        }
        System.out.println();
        if (cst < row) {
            num++;
        } else if (cst > row) {
            num--;
        }
        nst += 2;
        nsp--;
        row++;
    }
#4

@koushk
correct Code :