Hacker rank-for loop

#include <stdio.h>
main()
{ int i,a,b;

scanf("%d",&a);
scanf("%d",&b);
for(i=a;i<=b;i++)
{  if(i>9)
{  if(i%2==0)
printf("even\n");
else printf("odd\n");

}
else switch(i)
{ case 1:printf("one\n");break;
case 2:printf("two\n");break;
case 3:printf("three\n");break;
case 4:printf("four\n");break;
case 5:printf("five\n");break;
case 6:printf("six\n");break;
case 7:printf("seven\n");break;
case 8:printf("eight\n");break;
case 9:printf("nine \n");break;


}


}

}

Hackerrank --Printing each word of an string in new line in c

#include <stdio.h>
int main()
{char sen[1000];
int i=0;

gets(sen);
while(sen[i]!='\0')
{  if(sen[i]==' ')
printf("\n");
else printf("%c",sen[i]);
i++;

}
return 0;
}

Pattern in c using loop(hackerrank medium level question)

Hello guys this is code for hakerrank pattrn question ...30 points

#include <stdio.h>
int main()
{
int n,i,j;
scanf("%d",&n);
for(i=n;i>0;i--)
{ for(j=n;j>0;j--)
{  if(i==j)
printf("%d",i);
else if(j<i)
printf("%d",i);
else printf("%d",j);
}
for(j=2;j<=n;j++)

{ if(i==j)
printf("%d",i);
else if(j<i)
printf("%d",i);
else printf("%d",j);

 }
printf("\n");


}
for(i=2;i<=n;i++)
{ for(j=n;j>=1;j--)
{  if(i==j)
printf("%d",i);
else if(j<i)
printf("%d",i);
else printf("%d",j);
}
for(j=2;j<=n;j++)

{ if(i==j)
printf("%d",i);
else if(j<i)
printf("%d",i);
else printf("%d",j);

 }
printf("\n");


}
return 0;
}