Write a program by c++ to print the following pattern number Triangle .

Question

1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1

Answer 1

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Answer 2

write a question.

Answer 3

https://code.sololearn.com/cn0s6h29xP0a/?ref=app

Answer 4

https://code.sololearn.com/ch0TsamQJ2KC/?ref=app

Answer 5

int a=1;
cout <<a <<endl;
a+=1;
cout>>a;
if (a> 2){
a=a-1;
cout <<a <<endl;
}

Answer 6

int a=1;
int b=121;
int c=12321;
int d=1234321;
cout <<a <<endl;
cout <<b <<endl;
cout <<c <<endl;
cout <<d <<endl;