C program to display alternate characters from string based on n value .
This program will also help you to splitting of a string and display the lowercase and uppercase alphabets.
#include<stdio.h>
#include <stdlib.h>
int main()
{
char s[1000],a[1000],b[1000];
scanf("%s",s);
int n,m,j=0,k=0,count=0,x=0,y=0,i;
scanf("%d",&n);
m=strlen(s);
for(i=0;i<m;i++)
{
if(s[i]>='a'&&s[i]<='z')
a[j++]=s[i];
if(s[i]>='A'&&s[i]<='Z')
b[k++]=s[i];
}
for(i=0;i<n;i++)
{
printf("%c%c",a[i],b[i]);
}
}
Input
abAdCplaNE
2
Output
aAbC
Input 2
cRICkEt
3
Output 2
cRkItC