Programming Fundamentals:Looping 1 (Session 5)
Program 1
#include<stdio.h>
int main()
{
int a,b,i;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
for(i=a;i<=b;i++)
printf("%d\n",i);
return 0;
}
Program 2
#include<stdio.h>
int main()
{
int a,b,i;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
for(i=a;i>=b;i--)
printf("%d\n",i);
return 0;
}
Program 3
#include<stdio.h>
int main()
{
int a,b,i;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
if(a<b)
{
for(i=a;i<=b;i++)
printf("%d\n",i);
}
else
{
for(i=a;i>=b;i--)
printf("%d\n",i);
}
return 0;
}
Program 4
#include<stdio.h>
int main()
{
int a,i,sum=0,b;
printf("Enter the value of n\n");
scanf("%d",&a);
for(i=1;i<=a;i++)
{
printf("Enter the number\n");
scanf("%d",&b);
sum=sum+b;
}
printf("The sum is %d",sum);
return 0;
}
Program 5
#include<stdio.h>
int main()
{
int a,i,sum=0,b,c=0;
printf("Enter the value of n\n");
scanf("%d",&a);
for(i=1;i<=a;i++)
{
printf("Enter the number\n");
scanf("%d",&b);
if(b>=0)
{ c++;
sum=sum+b;
}
}
printf("Number of positive numbers entered is %d and the sum is %d",c,sum);
return 0;
}
Program 6
#include<stdio.h>
int main()
{
int a,i,sum=0,b,c=0;
printf("Enter the value of n\n");
scanf("%d",&a);
for(i=1;i<=a;i++)
{
printf("Enter the number\n");
scanf("%d",&b);
if(b>=0)
{ c++;
}
else
sum++;
}
printf("Number of positive numbers entered is %d and the number of negative numbers entered is %d",sum,c);
return 0;
}
Program 7
#include<stdio.h>
int main()
{
int n,m,i;
printf("Enter n\n");
scanf("%d",&n);
printf("Enter m\n");
scanf("%d",&m);
printf("The multiplication table of %d is\n",n);
for(i=1;i<=m;i++)
printf("%d*%d=%d\n",i,n,i*n);
return 0;
}
Program 8
#include<stdio.h>
int main()
{
int a,b,i;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
i=a;
while(i<=b)
{
printf("%d\n",i);
i++;
}
return 0;
}
Program 9
#include<stdio.h>
int main()
{
int a,b,i;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
i=a;
while(i>=b)
{
printf("%d\n",i);
i--;
}
return 0;
}
Program 10
#include<stdio.h>
int main()
{
int a,b,i;
printf("Enter the value of a\n");
scanf("%d",&a);
printf("Enter the value of b\n");
scanf("%d",&b);
i=a;
if(a>b)
{
while(i>=b)
{
printf("%d\n",i);
i--;
}
}
else
{
while(i<=b)
{
printf("%d\n",i);
i++;
}
}
return 0;
}
Program 11
#include<stdio.h>
int main()
{
int a,b,sum=0,i=0;
printf("Enter the value of n\n");
scanf("%d",&a);
while(i<a)
{
printf("Enter the number\n");
scanf("%d",&b);
sum=sum+b;
i++;
}
printf("The sum is %d",sum);
return 0;
}
Program 12
#include<stdio.h>
int main()
{
int a,b,sum=0,i=0,c=0;
printf("Enter the value of n\n");
scanf("%d",&a);
while(i<a)
{
printf("Enter the number\n");
scanf("%d",&b);
if(b>=0)
{sum=sum+b;
c++;
}
i++;
}
printf("Number of positive numbers entered is %d and the sum is %d",c,sum);
return 0;
}
Program 13
#include<stdio.h>
int main()
{
int a,b,sum=0,i=0,c=0;
printf("Enter the value of n\n");
scanf("%d",&a);
while(i<a)
{
printf("Enter the number\n");
scanf("%d",&b);
if(b>=0)
{c++;
}
else
sum++;
i++;
}
printf("Number of positive numbers entered is %d and the number of negative numbers entered is %d",sum,c);
return 0;
}
Program 14
#include<stdio.h>
int main()
{
int n,m,i=1;
printf("Enter n\n");
scanf("%d",&n);
printf("Enter m\n");
scanf("%d",&m);
printf("The multiplication table of %d is\n",n);
while(i<=m)
{
printf("%d*%d=%d\n",i,n,i*n);
i++;
}
return 0;
}
Program 15
#include<stdio.h>
int main()
{
int i=0,c=0,x;
while(i==0)
{
printf("Enter the number\n");
scanf("%d",&x);
if(x%8==0)
{
i=0;
c++;
}
else
i=1;
}
printf("The number of valid numbers entered is %d",c);
return 0;
}
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