C program to print the following pattern: 12345 4321 123 21 1

C program to print the following pattern:

12345

4321

123

21

1

Solution:

#include <stdio.h> #include <stdlib.h> int main(void) { int n,flip,tn,j,i; scanf("%d",&n); flip=1; tn=n; for(i=1;i<=n;i++) { if(flip) { for(j=1;j<=tn;j++) { printf("%d",j); } tn--; flip=!(flip); } else { for(j=tn;j>=1;j--) { printf("%d",j); } tn--; flip=!(flip); } printf("\n"); } return 0; }