Ex: Write a C program to print inverted half left side of the pyramid number pattern. How to write a C program to print inverted half left side of the pyramid number pattern. C program to print inverted half left side of the pyramid number pattern.
Input from user:
Enter the number:
5
Expected output:
12345
1234
123
12
1
Step by step logic of the given program:
1. Accept input number from user declare variable say no.
2. Run outer for loop from 1 to no which shows number of rows:
for(i=1;i<=no;i++)
3. Run inner for loop from 1 to i-1 to print spaces:
for(j=1;j<i;j++)
{
printf(" ");
}
4. Run another one inner for loop from 1 to (no+1)-i to print star:
for(k=1;k<=(no+1)-i;k++)
{
printf("%d",k);
}
5. For next row print \n.
Program to print inverted half left side of the pyramid number pattern:
#include<stdio.h>
void main()
{
int i,j,k,no;
printf("Enter the number:\n");
scanf("%d",&no);
/*Run loops*/
for(i=1;i<=no;i++)
{
/* Print spaces from second row, in incremented manner*/
for(j=1;j<i;j++)
{
printf(" ");
}
/* Print numbers in decremented manner*/
for(k=1;k<=(no+1)-i;k++)
{
printf("%d",k);
}
/* For next row*/
printf("\n");
}
}
Above program shows the following output:
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