16. Input a number and check it is palindrome or not :—
#include<stdio.h>
int main()
{
int r,n,k,rev;
printf("enter a number ");
scanf("%d",&n);
k=n;
rev=0;
while(k>0)
{
r=k%10;
k=k/10;
rev=rev*10+r;
}
if(n==rev)
{
printf("%d is a palindrome",n);
}
else
{
printf("%d is not a palindrome",n);
}
return 0;
}
15. Sum of digits :—
#include<stdio.h>
int main()
{
int r,n,sum;
printf("enter a value of n ");
scanf("%d",&n);
sum=0;
while(n>0)
{
r=n%10;
sum=sum+r;
n=n/10;
}
printf("%d",sum);
return 0;
}
14. Print the digit in reverse :—
#include<stdio.h>
int main()
{
int r,n;
printf("enter a value of n ");
scanf("%d",&n);
while(n>0)
{
r=n%10;
printf("%d",r);
n=n/10;
}
return 0;
}
13.Print : 10 9 8 7 ... 1 :—
#include<stdio.h>
int main()
{
int i;
for(i=10;i>=1;i--)
{
printf("%d ",i);
}
return 0;
}
12. Print : 0 10 20 30 ... 100 :—
#include<stdio.h>
int main()
{
int i;
for(i=0;i<=100;i+=10)
{
printf("%d ",i);
}
return 0;
}
11. 100+95+90+...+0 :—
#include<stdio.h>
int main()
{
int i,sum;
sum=0;
for(i=100;i>=0;i-=5)
{
sum=sum+i;
}
printf("%d",sum);
return 0;
}
10. 0 7 26 ... 999
=(1³-1) (2³-1) (3³-1) ... (10³-1) :—
#include<stdio.h>
int main()
{
int i,sum;
sum=0;
for(i=1;i<=10;i++)
{
sum=sum+i*i*i-1;
}
printf("%d",sum);
return 0;
}
9. 0+3+8+...+99
=(1²-1)+(2²-1)+(3²-1)+...+(10²-1) :—
#include<stdio.h>
int main()
{
int i,sum;
sum=0;
for(i=1;i<=10;i++)
{
sum=sum+i*i-1;
}
printf("%d",sum);
return 0;
}
8. 1²+2²+3²+4²+...+10² :—
#include<stdio.h>
int main()
{
int i,sum;
sum=0;
for(i=1;i<=10;i++)
{
sum=sum+i*i;
}
printf("%d",sum);
return 0;
}
7. 1+2+3+4+...+10 :—
#include<stdio.h>
int main()
{
int i,sum;
sum=0;
for(i=1;i<=10;i++)
{
sum=sum+i;
}
printf("%d",sum);
return 0;
}
5.Input a number from user and then print the factorial of the number :—
#include<stdio.h>
int main()
{
int i,j,n;
printf("enter a number ");
scanf("%d",&n);
j=1;
for(i=1;i<=n;i++)
{
j=j*i;
}
printf("factorial of %d=%d\n",n,j);
return 0;
}
3. Input basic salary. Then find DA=50% of basic salary, HRA=30% of basic salary, PF=20% of basic salary, Medical=5% of basic salary, Gross Salary=Basic salary+DA+HRA-PF-Medical. If gross salary>40000, Bonus=5000, otherwise Bonus=6000.
#include<stdio.h>
int main()
{
int bs,da,hra,pf,md,b,gs;
printf("enter basic salary ");
scanf("%d",&bs);
da=bs*50/100;
hra=bs*30/100;
pf=bs*20/100;
md=bs*5/100;
gs=bs+da+hra-pf-md;
printf("gross salary=%d\n",gs);
if(gs>40000)
{
gs=gs+5000;
}
else
{
gs=gs+6000;
}
printf("gross salary after bonus=%d",gs);
return 0;
}
2. Input a year and check it is leap year or not :—
#include<stdio.h>
int main()
{
int y;
printf("enter a year ");
scanf("%d",&y);
if(y%4==0)
{
if(y%100==0)
{
if(y%400==0)
{
printf("%d is leap year",y);
}
else
{
printf("%d is not leap year",y);
}
}
else
{
printf("%d is leap year",y);
}
}
else
{
printf("%d is not leap year",y);
}
return 0;
}
1. Largest of 3 numbers using nested :—
#include<stdio.h>
int main()
{
int a,b,c;
printf("enter 3 values ");
scanf("%d%d%d",&a,&b,&c);
if(a>=b)
{
if(a>=c)
{
printf("%d is the largest",a);
}
else
{
printf("%d is the largest",c);
}
}
else
{
if(b>=c)
{
printf("%d is the largest",b);
}
else
{
printf("%d is the largest",c);
}
}
return 0;
}
#include <stdio.h>
int main()
{
int n1,n2,n3;
int a[20], b[20], c[40];
printf("Enter the size of first array: ");
scanf("%d",&n1);
printf("Enter the array elements: ");
for(int i = 0; i < n1; i++)
scanf("%d", &a[i]);
printf("Enter the size of second array: ");
scanf("%d",&n2);
printf("Enter the array elements: ");
for(int i = 0; i < n2; i++)
scanf("%d", &b[i]);
n3 = n1 + n2;
int i = 0, j = 0, k = 0;
while (i < n1 && j < n2)
{
if (a[i] < b[j])
c[k++] = a[i++];
else
c[k++] = b[j++];
}
while (i < n1)
c[k++] = a[i++];
while (j < n2)
c[k++] = b[j++];
printf("Final array after merging: ");
for(int i = 0; i < n3 ; i++)
printf(" %d ",c[i]);
return 0;
}