Answer Posted / sabby

#include<stdio.h>
main()
{
int i,j,s,n;
printf("Enter the number of rows:");
scanf("%d\n",&n);
for(i=1;i<=n;i++)
{
for(s=1;s<=n-i;s++)
printf(" ");
for(j=1;j<=i;j++)
printf("%d",j);
j=j-2;
for(;j>=1;j--)
{
printf("%d",j);
}
printf("\n");
}
}

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A banker has a seif with a cipher. Not to forget the cipher, he wants to write it coded as following: each digit to be replaced with the difference of 9 with the current digit. The banker chose a cipher. Decipher it knowing the cipher starts with a digit different than 9. I need to write a program that takes the cipher from the keyboard and prints the new cipher. I thought of the following: Take the input from the keyboard and put it into a string or an array. Go through the object with a for and for each digit other than the first, substract it from 9 and add it to another variable. Print the new variable. Theoretically I thought of it but I don't know much C. Could you give me any kind of hint, whether I am on the right track or not?

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