Element Is Present In Series

#include <stdio.h>

void main() {

int i=0;

int a[100];

int se=0,fe;

int na[5],cd,sn,n;

int count=0;

printf("\nEnter range of series : ");

scanf("%d",&n);

printf("\nEnter first element : ");

scanf("%d",&fe);

printf("\nEnter common difference : ");

scanf("%d",&cd);

for(i=0;i<n;i++)

{

a[i]=fe;

fe=fe+cd;

printf("---%d",a[i]);

}

printf("\nEnter element : ");

scanf("%d",&sn);

for(i=0;i<n;i++)

{

if(sn==a[i])

{

count=count+1;

printf("\n%d is present in series",sn);

}

}

if(count==0)

{

printf("\n%d is not present in series",sn);

}

}