assingnment

ass.c

assignment no.1


1.

#include<stdio.h>
void main()
{
	int a,b;
	printf("Enter sides of rectangle=");
	scanf("%d %d",&a,&b);
	printf("Area of rectangle=%d",a*b);
}


2.


#include<stdio.h>
void main()
{
	int a,b,c,d;
	printf("Enter any two number=");
	scanf("%d %d",&a,&b);
	c=a*a;
	d=b*b*b;
	printf("Output=%d",c+d);

3.


#include<stdio.h>
void main()
{
	int a,b,c,p,m;
	printf("Enter any four number=");
	scanf("%d %d %d %d",&a,&b,&c,&p);
        m=a*(p*p)+b*p+c;
	printf("%d",m);
}


4.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	int m;
	m=a/10;
	printf("%d",m);
}


5.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	int m;
	m=a/100;
	printf("Output=%d",m);
}


6.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	int b,c;
	b=a/10;
	c=b%10;
	printf("Output=%d",c);
}


7.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	int b,c;
	b=a%100;
	c=b%10;
	b=b/10;
	printf("%d",b+c);
}

8.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	int p=a%10;
	a=a/10;
	int m=a*10+p*2;
	printf("%d",m);
}

10.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	int m,n,p;
	m=a%10;
	a=a/10;
	n=a%10;
	a=a/10;
	p=a*100+m*10+n;
	printf("%d",p);
}


assignment no.2


1.


#include<stdio.h>
#include<math.h>
void main()
{
	int a,b,c;
	printf("Enter Sides Of The Tringle=");
	scanf("%d %d %d",&a,&b,&c);
	float s;
	float A;
	s=(a+b+c)/2;
	A=s*(s-a)*(s-b)*(s-c);
	float p;
	p=sqrt(A);
	printf("%f",p);
}


2.


#include<stdio.h>
#include<math.h>
void main()
{
	int a,b,c,d;
	printf("Enter co-ordinate=");
	scanf("%d %d %d %d",&a,&b,&c,&d);
	int m,n,p;
	float t;
	m=(c-a)*(c-a);
	n=(d-b)*(d-b);
	p=m+n;
        t=sqrt(p);
	printf("%.3f",t);
}

3.


#include<stdio.h>
void main()
{
	int a,b,c,d,e,f;
	printf("Enter all three cordinates of Tringle");
	scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
	float A;
	A=0.5*(a*(d-f)+c*(f-b)+e*(b-d));
	printf("%f",A);
}


4.


#include<stdio.h>
void main()
{
	float a,b,c;
	printf("enter any number=");
	scanf("%f %f %f",&a,&b,&c);
	printf("Equation=%.0fx+%.0fy=%.0f",a,b,c);
	float m;
	m=(-a)/b;
	printf("\n%f",m);
}


5.


#include<stdio.h>
#include<math.h>
int main()
{
int a,b,c,d,e;
float f;
printf("enter the co-ordinates a,b\t\n");
scanf("%d,%d",&a,&b);
printf("enter co-efficients of line equation c,d,e\t\n");
scanf("%d,%d,%d",&c,&d,&e);
f=(a*c+b*d+e)/sqrt(c*c+d*d);
printf("distance of point from line is%f",f);
}


6.


#include<stdio.h>
#include<math.h>
int main()
{
int a,b,c;
float r,p,q;
printf("enter the values of a,b,c\n");
scanf("%d,%d,%d",&a,&b,&c);
p=(-a)/2;
q=(-b)/2;
r=sqrt(p*p+q*q-c);
printf("center of the circle is %f,%f\n",p,q);
printf("radius of the circle is %f",r);
}

7.


#include<stdio.h>
#include<math.h>
int main()
{
int a,b,c,p,q,r;
float x,y;
printf("enter the value of a,b,c\n");
scanf("%d,%d,%d",&a,&b,&c);
printf("enter the value of p,q,r\n");
scanf("%d,%d,%d",&p,&q,&r);
y=(p*c-a*r)/(a*q-p*b);
x=-(b*y+c)/a;
printf("point of intersection is %f,%f",x,y);
}

8.


#include<stdio.h>
#include<math.h>
int main()
{
int a,b,c;
float A;
printf("enter the values of a,b,c");
scanf("%d,%d,%d",&a,&b,&c);
A=acos(b*b+c*c-a*a)/2*b*c;
printf("value of angle A%f",A);
}


9.


#include<stdio.h>
#include<math.h>
int main()
{
float a,b,c,d,e,f,g,h;
float x,y,z,k,r,p,u;
printf("enter the values of\ta,b,c,d,e,f,g,h\n");
scanf("%f,%f,%f,%f,%f,%f,%f,%f",&a,&b,&c,&d,&e,&f,&g,&h);
x=(-e)/2;
y=(-f)/2;
z=(-g)/2;
k=(a*x+b*y+c*z+d)/sqrt(a*a+b*b+c*c);
r=sqrt(x*x+y*y+z*z-h);
p=sqrt(r*r-k*k);
u=(3.14)*(p*p);
printf("area of the circle is %f",u);
}

10.


#include<stdio.h>
#include<math.h>
int main()
{
float h,k,r,s,d,u;
printf("enter the values of h,k,r,s");
scanf("%f,%f,%f,%f",&h,&k,&r,&s);
d=(h-s);
u=sqrt(r*r-d*d);
printf("length of chord is %f",2*u);
}

assignment no.3

1.


#include<stdio.h>
void main()
{
int a,b,c;
printf("enter the three numbers\n");
scanf("%d,%d,%d",&a,&b,&c);
if(a>b)
{
printf("greatest no. is %d",a);
}
else if(b>c)
{
printf("greatest no. is %d",b);
}
else
printf("greatest no. is %d",c);
}


2.


#include<stdio.h>
int main()
{
int a,b,c,d;
printf("enter any four numbers\n");
scanf("%d,%d,%d,%d",&a,&b,&c,&d);
if(a>b)
{
printf("greatest number is %d",a);
}
else if(b>c)
{
printf("greatest number is %d",b);
}
else if(c>d)
{
printf("greatest number is %d",c);
}
else
printf("greatest number is %d",d);
} 

3.


#include<stdio.h>
void main()
{
int a,b;
printf("enter any two numbers\n");
scanf("%d,%d",&a,&b);
if(a>b)
{
printf("%d,%d",a,b);
}
else
printf("%d,%d",b,a);
}


4.


#include<stdio.h>
void main()
{
int a,b,c;
printf("enter the sides of triangle a,b,c");
scanf("%d,%d,%d",&a,&b,&c);
if((a*a)==(b*b+c*c))
{
printf("angle A is a right angle");
}
else
printf("angle A is not a right angle triangle");
}


5.


#include<stdio.h>
void main()
{
float a,b;
printf("enter the values of a,b\n");
scanf("%f,%f",&a,&b);
if(a==0)
{
printf("line is vertical");
}
else
{
float s;
s=(-b)/a;
printf("value of slope %f\n",s);
printf("line is not vertical");
}
}

6.


#include<stdio.h>
#include<math.h>
void main()
{
float a,b,c,d,k,t,p,m,n,l,r;
printf("enter the values of a,b,c");
scanf("%f,%f,%f",&a,&b,&c);
k=(b*b)-4*a*c;
t=sqrt(k);
p=sqrt(-k);
if(k>0)
{
m=(-b+t)/(2*a);
n=(-b-t)/(2*a);
printf("roots of equation is%f,%f",m,n);
}
else if(k==0)
{
m=(-b+t)/(2*a);
printf("roots of equation is%f,%f",m,m);
}
else if(k<0)
{
m=(-b)/(2*a);
l=p/(2*a);
r=p/(2*a);
printf("roots of equation are %f+%fi , %f-%fi",m,l,m,r);
}
}

8.


#include<stdio.h>
void main()
{
int a,b,c;
printf("enter any three numbers\n");
scanf("%d,%d,%d",&a,&b,&c);
if(a==b)
{
printf("%d",c);
}
else if(a==c)
{
printf("%d",b);
}
else if(b==c)
{
printf("%d",a);
}
else
printf("no output");
}

9.


#include<stdio.h>
void main()
{
int a,b,c,d,x;
printf("enter the values a,b,c,d,x");
scanf("%d,%d,%d,%d,%d",&a,&b,&c,&d,&x);
if(a==x)
printf("x is equal to a");
else if(b==x)
printf("x is equal to b");
else if(c==x)
printf("x is equal to c");
else if(d==x)
printf("x is equal to d");
else
printf("x is equal to none");
}

10.


#include<stdio.h>
void main()
{
int a,b,c,d;
int x;
printf("enter values of a,b,c,d,x\n");
scanf("%d,%d,%d,%d,%d",&a,&b,&c,&d,&x);
if(x==a||x==b||x==c||x==d)
{
printf("1");
}
else if((x==a&&x==b&&x==c)||(x==a&&x==b&&x==d)||(x==b&&x==c&&x==d))
{
printf("3");
}
else
printf("0");
}

11.


#include<stdio.h>
#include<math.h>
int main()
{
int a,b,c;
printf("enter any three numbers");
scanf("%d,%d,%d",&a,&b,&c);
if((a>b&&a<c)||(a<b&&a>c))
printf("%d",a);
else if((b>a&&b<c)||(b<a&&b>c))
printf("%d",b);
else
printf("%d",c);
}

12.


#include<stdio.h>
#include<math.h>
int main()
{
float a,b,c,p,q,r,d,l,u;
printf("enter the values of p,q,r,a,b,c");
scanf("%f,%f,%f,%f,%f,%f",&p,&q,&r,&a,&b,&c);
d=(a*p+b*q+c)/sqrt(a*a+b*b);
if(d==r)
printf("line touches the circle");
else if(d>r)
printf("line does not touches the circle");
else if(d<r)
{
l=sqrt(r*r-d*d);
u=l*d;
printf("line intersects the circle at two points A and B\n");
printf("area of triangle is%f",u);
}
}


assignment no.4

1.


#include<stdio.h>
int main()
{
for(int a=20;a<=70;a+=2)
{
printf("%d\n",a);
}
}

2.


#include<stdio.h>
void main()
{
for(int a=20;a<=40;a++)
{
printf("%d\n",a);
}
for(int b=50;b<=80;b+=2)
{
printf("%d\n",b);
}
}

3.


#include<stdio.h>
void main()
{
for(int a=0;a<=50;a+=2)
{
printf("%d\n",a);
}
for(int b=51;b<=100;b+=2)
{
printf("%d\n",b);
}
}

4.


#include<stdio.h>
void main()
{
for(int a=20;a<=40;a+=2)
{
printf("%d\n",a);
}
for(int b=51;b<=80;b+=2)
{
printf("%d\n",b);
}
}

5.


#include<stdio.h>
void main()
{
for(int a=1;a<=10;a++)
{
printf("%d\n",3*a);
}
for(int b=1;b<=10;b++)
{
printf("%d\n",7*b);
}
}

7.


#include<stdio.h>
void main()
{
for(int a=0;a<=100;a+=2)
{
if((a%3==0)||(a%5==0))
{
printf("\n");
}
else
{
printf("%d\n",a);
}
}
}

9.


#include<stdio.h>
int main()
{
int b;
for(int a=1;a<=100;a++)
{
b=a%10;
if(b%3==0)
{
printf("%d\n",a);
}
else
{
continue;
}
}
}

10.


#include<stdio.h>
int main()
{
for(int a=1;a<=100;a++)
{
int b=a%10;
if(b>=5&&b<=8)
{
printf("%d\n",a);
}
else
{
continue;
}
}
}

11.



#include<stdio.h>
int main()
{
for(int a=1;a<=100;a++)
{
int b=a/10;
int c=a%10;
if((b+c)%7==0)
{
printf("%d\n",a);
}
else
{
continue;
}
}
}

12.


#include<stdio.h>
int main()
{
for(int a=1;a<=100;a++)
{
if((a/10)%2==1)
printf("%d\n",a);
else
continue;
}
}

13.


#include<stdio.h>
int main()
{
for(int a=1;a<=100;a++)
{
int b=a/10;
if(b%3==1)
printf("%d\n",a);
else
continue;
}
}

15.


#include<stdio.h>
void main()
{ 
	int p=0,m=9;
    for(int q=1;q<=5;q++)
    {
        	for(int b=p;b<m;b++)
		{
			if(b%2==1)
			{
				printf("%d\t",b);
			}
		}
		p+=20;
		m+=20;
    }
      int e=11,r=19;
      for(int w=1;w<=4;w++)
      {
		for(int c=e;c<r;c++)
		{
			if(c%2==0)
			printf("%d\t",c);
		}
		p=p+20;
		m=m+20;
      }
}


assignment no.5


1.


#include<stdio.h>
void main()
{
	for(int a=1;a<=5;a++)
	{
		if(a%2==1)
		{
			for(int b=1;b<=20;b++)
			{
				printf("*");
			}
			printf("\n");
		}
		else
		{
			for(int c=1;c<=10;c++)
			{
				printf("*O");
			}
			 printf("\n");
		}
	}
}


2.


#include<stdio.h>
void main()
{
	for(int a=1;a<=10;a++)
	{
		for(int b=1;b<=20;b++)
		{
			if((a<=3)&&(a>=8)||(a<=3)&&(b>8)||(a>=8)&&(b>=15))
			{
				printf("*");
			}
			else
		       {
			       printf("O");
		       }
		}
		printf("\n");
	}
}


3.


#include<stdio.h>
void main()
{
	for(int a=0;a<=3;a++)
	{
		for(int b=0;b<=9;b++)
		{
			if((a%2==0)&&(b%2==0)||(a%2==1)&&(b%2==1))
			{
				printf("O");
			}
			else
			printf("*");
		}
		printf("\n");
	
	}
}

4.


#include<stdio.h>
void main()
{
	for(int a=0;a<=5;a++)
	{
		for(int b=0;b<=29;b++)
		{
			if((a%2==1)&&((b%3==0)||(b%5==0)))
			{
				printf("*");
			}
			else
			{
				printf("O");
			}
		}
		printf("\n");
	}
}

5.


#include<stdio.h>
void main()
{ 
	for(int p=1;p<=3;p++)
	{
	for(int a=1;a<=15;a++)
	{
		printf("*");

	}
	printf("\n");
	for(int b=1;b<=4;b++)
	{

		if(p==3)
                 break;

		printf("*OOOO");
	}
	printf("\n");
        }
}

6.


#include<stdio.h>
void main()
{
	for(int a=0;a<=10;a++)
	{
		for(int b=0;b<=16;b++)
		{
			if
			{
				printf("*");
			}
			else
			printf("O");
		}
		printf("\n");
	}
}

7.


#include<stdio.h>
void main()
{

		printf("OOOOOOOOOOOOOOOOOO\n");
		printf("OOOOOO****OOOOOO\n");
		printf("OOOO*******OOOO\n");
		printf("OOO********OOO\n");
		for(int b=1;b<=3;b++)
		{
		printf("OO********OO\n");
		}
                printf("OOO********OOO\n");
                printf("OOOO*******OOOO\n");
		printf("OOOOOO****OOOOOO\n");
                printf("OOOOOOOOOOOOOOOOOO\n");

}

8.


#include<stdio.h>
void main()
{
	int p=3;
	for(int a=0;a<10;a++)
	{
		for(int b=0;b<20;b++)
		{
			if(((a>1)&&(a<8)&&((a+b)>=8)&&((a+b)<=p))||(a==9)||(a==8))
			{
				printf("O");
			}
			else
			{
				printf("*");
			}
		}
	       p=p+3;	
		printf("\n");
	}
}

9.


#include<stdio.h>
void main()
{
	int p=11;
	for(int a=0;a<=10;a++)
	{
		for(int b=0;b<20;b++)
		{
			if((a+b)>6)&&((a+b)<=p)||(a==9)||(a==10)
			{
				printf("*");
			}
			
			else
			printf("O");
		}
		printf("\n");
		p++;
	}
}

10.


#include<stdio.h>
void main()
{       for(int m=1;m<=2;m++)
	{
	for(int a=1;a<=20;a++)
	{
		printf("*");
	}
	printf("\n");
	}

  int l=6,k=2,j=12;	
	for(int b=1;b<=6;b++)
	{
		for(int w=1;w<=l;w++)
		{
			printf("*");
		}
		for(int q=1;q<=k;q++)
		{
			printf("0");
		}
		for(int r=1;r<=j;r++)
		{
			printf("*");
		}
		k=k+3;
		l--;
		j=j-2;
		printf("\n");
	}
	 for(int m=1;m<=2;m++)
        {
        for(int a=1;a<=20;a++)
        {
                printf("0");
        }
        printf("\n");
        }

}

11.


#include<stdio.h>
void main()
{
	int l=1,k=6,j=1,h=5;
	printf("OO*");
	for(int a=1;a<=6;a++)
	{
		printf("O*");
	} 
	printf("\n");
	for(int b=1;b<=5;b++)
	{
		for(int c=1;c<=l;c++)
		{
			printf("OO");
		}
		printf("*");
		for(int d=1;d<=k;d++)
		{
			printf("O*");
		}
		printf("\n");
		if(b<5)
		{
		for(int e=1;e<=j;e++)
		{
			printf("**");
		}
		printf("OO*");
		for(int f=1;f<=h;f++)
		{
			printf("O*");
		}
		h--;
		l++;
		k--;
		j++;
		printf("\n");
	}
	}
}


assignment no.6



1.


#include<stdio.h>
void main()
{
	for(char a='E';a>='A';a--)
	{
		for(int b='A';b<=a;b++)
		{
			printf("%c",b);
		}
		printf("\n");
	}
}

2.


#include<stdio.h>
void main()
{
	for(int b=69;b>=65;b--)
	{
	for(int a=b;a>=65;a--)
	{
		printf("%c",a);
	}
	printf("\n");
	}
}

3.


#include<stdio.h>
void main()
{
	for(int a=65;a<=69;a++)
	{
		for(int b=a;b<=69;b++)
		{
			printf("%c",a);
		}
		printf("\n");
	}
}

4.


#include<stdio.h>
void main()
{
	int p=69,m=73;
	for(int a=1;a<=5;a++)
	{
		for(int b=p;b<=m;b++)
		{
			printf("%c",b);
		}
		m=m-2;
		p--;
		printf("\n");
	}
}

5.


#include<stdio.h>
void main()
{
	int p=65,m=69;
	for (int a=1;a<=5;a++)
	{
		for(int b=m;b>=p;b--)
		{
			printf("%c",b);
		}
		m++;
		p=p+2;
		printf("\n");
	}
}

6.


#include<stdio.h>
void main()
{
	for(int a=69;a>=65;a--)
	{
		for(int b=65;b<=a;b++)
		{
			printf("%c",a);
		}
		printf("\n");
	}
}

7.


#include<stdio.h>
void main()
{
	for(int b=1;b<=5;b++)
        {
	for(int a=1;a<=b;a++)
	{
		printf("A");
	}
	printf("\n");
	}
}

8.


#include<stdio.h>
void main()
{
	int a,n;
	printf("Enter any number=");
	scanf("%d",&n);
	while(n<0)
	{
		printf("Enter any number again");
		scanf("%d",&a);
		if(a<0)
		{
			continue;
		}
		else
		{
			break;
		}
	}
}

9.


#include<stdio.h>
void main()
{
   for(int a=1;a<=9;a=a+2)
   {
	   for(int b=1;b<=a;b++)
	   {
		   printf("A");
	   }
	   printf("\n");
   }
}

10.


#include<stdio.h>
void main()
{
	for(int a=10;a>=2;a=a-2)
	{
		for(int b=1;b<=a;b++)
		{
			printf("A");
		}
		printf("\n");
	}
}

11.


#include<stdio.h>
void main()
{
	int p=0;

	for (int a=65;a<=70;a++)
	{
		p++;
		for(int b=a;b<=70;b++)
		{
			printf("%c",b);
		}
		printf("\n");
		for(int c=1;c<=p;c++)
		{
		printf(" ");
	        }
	}

}	

12.


#include<stdio.h>
void main()
{
	int p=101;
	for(int a=65;a<=70;a++)
	{
		for(int c=65;c<=a;c++)
		{
                 printf("%c",c);
		}

		for(int b=97;b<=p;b++)
                {
			printf("%c",b);
                }
	p--;
	printf("\n");
	}
}

13.


#include<stdio.h>
void main()
{
	int p=65;
	for(int a=65;a<=70;a++)
	{
		for(int b=a;b<=p;b++)
		{
			printf("%c",b);
			
		}
		p=p+2;
		printf("\n");
	}
}

16.


#include<stdio.h>
void main()
{
	int m,p=1,r=7;
	for(int b=1;b<=6;b++)
	{
		m=1;
       for(int a=65;a>=64;a=a+p)
        {
	    if(m==r)
	    {
	    break;
	    }
          printf("%c",a);
          m++;      
        }
       printf("\n");
       p++;
       r--;
       	}
}

17.


#include<stdio.h>
void main()
{
int n=1,p=65;
    for(int w=1;w<=6;w++)
    {
	for(int a=p;a<=70;a++)
	{
		for(int m=1;m<=n;m++)
		printf("%c",a);
	}
	p++;
       printf("\n");
     	n++;
    }
}


18.


#include<stdio.h>
void main()
{
	int p=65,r=5;
	for(int m=1;m<=5;m++)
	{
		for(int n=1;n<=r;n++)
		{
			printf(" ");
		}
	for(int a=65;a<=p;a++)
	{
		printf("%c",a);
	}
	for(int b=p-1;b>=65;b--)
	{
		printf("%c",b);
	}
	printf("\n");
	p++;
	r--;
	}
}

19.


#include<stdio.h>
void main()
{
	int m=70,p=6;
	for(int n=1;n<=6;n++)
	{
		for(int b=1;b<=p;b++)
                {
                        printf(" ");
                }

	for(int a=m;a<=70;a++)
	{
		printf("%c",a);
	}
	p--;
	m--;
	printf("\n");
	}
}

20.


#include<stdio.h>
void main()
{
	int p=66,m=67,n=3;
	printf("A\n");
	for(int a=1;a<=5;a++)
	{
		for(int b=p;b<=m;b++)
		{
			printf("%c",b);
		}
		printf("\n");
		p=m+1;
		m=m+n;
		n++;
	}
}

24.


#include<stdio.h>
void main()
{
	int p=0;
	for(int a=65;a<=86;a=a+p)
	{
		printf("%c",a);
		p++;
	}
}

25.


#include<stdio.h>
void main()
{
	for(int a=1;a<=6;a++)
	{
		printf("%d",a);
		printf(",");
	}
}

26.


#include<stdio.h>
void main()
{
	int p=7;
	for(int b=4;b<=10;b++)
	{
	for(int a=0;a<=p;a++)
        {
		printf("%d",b*a);
		printf(",");
	}
	if(p>3)
	{
		p--;
	}
	printf("\n");
	}
}


assignment no.7


1.


#include<stdio.h>
void main()
{
	int a,b,c,d;
	printf("Enter any number=");
	scanf("%d %d %d %d",&a,&b,&c,&d);
	printf("%d\t",a);
	printf("%d",b);
	printf("\n%d\t",c);
	printf("%d",d);
}

2.


#include<stdio.h>
void main()
{
	int a,b,c,d,e,f;
	printf("Enter any number=");
	scanf("%d %d",&a,&c);
	d=c;
	e=c;
	f=c;
	b=a;
	int m=0;
	int g;
	g=c;
		 for(int n=1;n>=1;n++)
		 {
			
			 if(c>=0)
			 {
				 c=c/10;
				 m++;
			 }
			 if(c==0)
			 {
				 break;
			 }
		 }
	for(int q=1;q<=2;q++)
	{
		printf("%d",a);
		for(int w=1;w<=m;w++)
		{
			printf(" ");
		}
	}
        printf("\n");
        for(int t=1;t<=2;t++)
        {
        for(int r=1;r<=2;r++)
        {
                printf("%d ",g);
        }
        printf("\n");
        }


}

4.


#include<stdio.h>
void main()
{
	float a,b,c,d;
	printf("Enter co-ordinate of lines=");
	scanf("%f %f %f %f",&a,&b,&c,&d);
        printf("mid point=%f %f",(a+c)/2,(b+d)/2);
}

5.


#include<stdio.h>
void main()
{
        float a,b,c;
	printf("Enter 1st vector=");
	scanf("%f %f %f",&a,&b,&c);
	printf("%fi+%fj+%fk\n",a,b,c);

        float p,q,r;
	printf("Enter 2nd vector=");
	scanf("%f %f %f",&p,&q,&r);
	 printf("%fi+%fj+%fk\n",p,q,r);

	printf("%0.1f",p*a+q*b+r*c);
	

}


6.


#include<stdio.h>
#include<math.h>
void main()
{
	 float a,b,c;
        printf("Enter 1st vector=");
        scanf("%f %f %f",&a,&b,&c);
	float t=a*a+b*b+c*c;
        float r=sqrt(t);
       	printf("%0.1fi+%0.1fj+%0.1fk\n",a/r,b/r,c/r);
}


7.


#include<stdio.h>
void main()
{

        float a,b,c;
        printf("Enter 1st vector=");
        scanf("%f %f %f",&a,&b,&c);
        printf("%fi+%fj+%fk\n",a,b,c);
        float p,q,r;
        printf("Enter 2nd vector=");
        scanf("%f %f %f",&p,&q,&r);
        printf("%fi+%fj+%fk\n",p,q,r);
        float x,y,z;
         x=b*r-c*b;
         y=a*r-p*c;
         z=a*q-b*p;
        printf("%f %f %f",x,y,z);
}	


11.


#include<stdio.h>
void main()
{
	float a,b,c;
	printf("Enter coff. of x,y and constant=");
	scanf("%f %f %f",&a,&b,&c);
	printf("Equation of line : %0.1fx+%0.1fy+%0.1f=0\n",a,b,c);
        float x;
        x=-c/a;
        printf("Intersection of the line on x-axis::%0.1f",x);
}

12.


#include<stdio.h>
void main()
{
	int a,b;
	printf("Enter real & imaginary part of umber=");
	scanf("%d %d",&a,&b);
	if((a>0)&&(b>0))
	{
		printf("%d+%di\n",a,b);
		printf("Nice looking form");
	}
	
	else if((a==0)&&(b!=0))
		{
		printf("%di\n",b);
		printf("Nice looking form");		
		}

	 else if((a!=0)&&(b==0))
                {
                printf("%d",a);
		printf("\n");
                printf("Nice looking form");
                }

	 else if((a<0)&&(b>0))
        {
                printf("%d+%di\n",a,b);
                printf("Nice looking form");
        }

	  else if((a>0)&&(b<0))
        {
                printf("%d%di\n",a,b);
                printf("Nice looking form");
        }

13.


#include<stdio.h>
void main()
{
	int a,b,c;
	printf("Enter i,j,k of vector");
	scanf("%d %d %d",&a,&b,&c);
	if((b==0)&&(c>0))
	{
		printf("%di+%dk",&a,&c);
	}
	else if((b==0)&&(c<0))
        {
                printf("%di%dk",&a,&c);
        }
	 if((b>0)&&(c>0))
        {
                printf("%di+%dj+%dk",&a,&b,&c);
	}
	 else if((b<0)&&(c>0))
        {
                printf("%di%dj+%dk",&a,&b,&c);
        }
	  else if((b>0)&&(c<0))
        {
                printf("%di+%dj%dk",&a,&b,&c);
         }
	 else
        {
                printf("%di%dj%dk",&a,&b,&c);
    	 }
}
        


14.


#include<stdio.h>
void main()
{
	int n;
	printf("Enter number of input=");
	scanf("%d",&n);
        int ch[n];
	printf("Enter entries=");
	for(int a=0;a<n;a++)
	{
		scanf("%d",&ch[a]);
	}
	 for(int b=0;b<n;b++)
        {
                printf("%d",ch[b]);
		printf(",");
        }
     int p=0;
	 for(int c=0;c<n;c++)
        {
              p=p+ch[c];
        }
	 printf("\n sum=%d",p);
}

	
15.


#include<stdio.h>
void main()
{
        int n;
        printf("Enter number of input=");
        scanf("%d",&n);
        int ch[n];
        printf("Enter entries=");
        for(int a=0;a<n;a++)
        {
                scanf("%d",&ch[a]);
        }
         for(int b=0;b<n;b++)
        {
                printf("%d",ch[b]);
		if(b<(n-1))
                printf(",");
        }
     int p=0;
         for(int c=0;c<n;c++)
        {
              p=p+ch[c];
        }
         printf("\n sum=%d",p);
}


16.


#include<stdio.h>
void main()
{
        int n;
        printf("Enter number of input=");
        scanf("%d",&n);
        int ch[n];
        printf("Enter entries=");
        for(int a=0;a<n;a++)
        {
                scanf("%d",&ch[a]);
        }
         for(int b=0;b<n;b++)
        {
		
                printf("%d",ch[b]);
		if(b==0)
		{
			printf(";");
		}
		if((b<(n-1))&&(b!=0))
                printf(",");
        }
     int p=0;
         for(int c=0;c<n;c++)
        {
              p=p+ch[c];
        }
         printf("\n sum=%d",p);
}


17.


#include<stdio.h>
void main()
{
        int n;
        printf("Enter number of input=");
        scanf("%d",&n);
        int ch[n];
        printf("Enter entries=");
        for(int a=0;a<n;a++)
        {
                scanf("%d",&ch[a]);
        }
         for(int b=0;b<n;b++)
        {

                printf("%d",ch[b]);
                if(b==0)
                {
			for(int m=0;m<=4;m++)
                        printf(";");
                }
                if((b<(n-1))&&(b!=0))
                printf(",");
        }
     int p=0;
         for(int c=0;c<n;c++)
        {
              p=p+ch[c];
        }
         printf("\n sum=%d",p);
}


18.


#include<stdio.h>
#include<math.h>
void main()
{
        int n;
        printf("Enter dimension=");
        scanf("%d",&n);
        float ch[n];
        printf("Enter entries=");
        for(int a=0;a<n;a++)
        {
                scanf("%f",&ch[a]);
        }
        float p=0;
         for(int c=0;c<n;c++)
        {
              p=p+ch[c]*ch[c];
        }
	 float  q=sqrt(p);
         printf("\n modulus=%f",q);
}


19.


#include<stdio.h>
void main()
{
	int ch[2];
	int p,n=0;
	for(int a=1;a<=4;a++)
         {
		 p=1;
		 printf("Enter pair=");
		 for(int b=0;b<=1;b++)
		 {
			 scanf("%d",&ch[b]);
			 p=p*ch[b];
		 }
               n=n+p;
	 }
	printf("%d",n);
}

23.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter number=");
	scanf("%d",&a);
	for(int q=1;q>=1;q++)
	{
		a=a/10;
		if((a>0)&&(a<10))
                break;
	}

        int b;
        printf("Enter number=");
        scanf("%d",&b);
        for(int r=1;r>=1;r++)
        {
                b=b/10;
                if((b>0)&&(b<10))
                break;
        }

	printf("%d",a*b);
}

24.


#include<stdio.h>
void main()
{
	int a;
	printf("Enter any number=");
	scanf("%d",&a);
	a=a/1000;
	int b;
	b=a%10;
	printf("%d",b);
}

26.


#include<stdio.h>
#include<math.h>
void main()
{
	int a,b;
	printf("Enter numbers=");
        scanf("%d %d",&a,&b);
	int m=pow(10,b-1);
        a=a/m;
	int q=a%10;
	printf("%d",q);
}


assignment no.8


1.


#include<stdio.h>
void main()
{
	int i,n,x,y,sum=0;
	printf("give n:");
	scanf("%d",&n);
	printf("give %d numbers:",n);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&x);
	       y=x%10;
	       sum=sum+y;
	}
	printf("%d",sum);
}

2.


#include<stdio.h>
void main()
{
        int i,n,x,y,sum=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		y=x/10;
		sum=sum+y;
	}
	printf("%d",sum);
}


3.


#include<stdio.h>
void main()
{
        int i,n,x,y,z,sum=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		y=x/10;
		z=y%10;
		sum=sum+z;
	}
	printf("%d",sum);
}

4.


#include<stdio.h>
void main()
{
	int i,n,x,y,m,k,z,sum=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		y=x/10;
		z=y/10;
		k=x%10;
		m=(z*10)+k;
		sum=sum+m;
	}
	printf("%d",sum);
}

5.


#include<stdio.h>
void main()
{
        int i,n,x,y,z,k,m,sum=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
                y=x%10;
		z=x/10;
		m=z%10;
		k=(y*m);
		sum=sum+k;
	}
	printf("%d",sum);
}
                

6.


#include<stdio.h>
void main()
{
        int i,n,x,y,z,m,k,p,sum=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		y=x/10;
		z=x%10;
		k=y/10;
		m=y%10;
		p=(k*100)+(z*10)+m;
		sum=sum+p;
	}
	printf("%d",sum);
}
		
7.


#include<stdio.h>
void main()
{
        int i,n,x,a;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		if(x%2==0)
		a=x;
	}
	printf("%d",a);
}


8.


#include<stdio.h>
void main()
{
        int i,n,x,a,sum=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		a=(i*x);
		sum=sum+a;
	}
	printf("%d",sum);
}


9.


#include<stdio.h>
void main()
{
	int i,n,x,a,sum=0;
	printf("given:");
	scanf("%d",&n);
	printf("give %d numbers:",n);
	for(i=1;i<=n;i++)
	{
		scanf("%d",&x);
		a=x;
		if(a%2!=0)
	        sum=sum+a;
	}
	printf("%d",sum);
}


10.


#include<stdio.h>
void main()
{
        int i,n,x,a,q=0;
        printf("give n:");
        scanf("%d",&n);
        printf("give %d numbers:",n);
        for(i=1;i<=n;i++)
        {
                scanf("%d",&x);
		a=x;
		if(a%2!=0)
			q++;
	}
	printf("%d",q);
}