Exam Paper :Answers

Question B.2.

#include
main()
{
int num,i,new1,x;
int val[5];

for(i=0;i<=5;i++)
{
printf("Enter the value ");
scanf("%d",&val[i]);
}
for(i=0;i<=5;i++)
{
printf("%d\t",val[i]);

}

printf("Enter Value place:");
scanf("%d",&new1);

printf("Enter Value :");
scanf("%d",&x);

val[new1]=x;

for(i=0;i<=5;i++)
{
printf("%d\n",val[i]);

}

}


begin

Finding the Vowels and the Letter Count in a Sentence

#include

void main()

{

int x,count=0,a=0,e=0,i=0,o=0,sp=0,u=0,total=0;
char str[1000];

printf("Enter a Word : ");
gets(str);

for(x=0;str[x]!=0;x++)
{

switch (str[x])
{
case ' ': sp++;break;
case 'a': a++; break;
case 'e': e++; break;
case 'i': i++; break;
case 'o': o++; break;
case 'u': u++; break;
default: count++;
}

total=a+e+i+o+u+count;
}

printf("\nSpaces count: %d",sp);
printf("\nNumber of a's %d",a);
printf("\nNumber of e's %d",e);
printf("\nNumber of i's %d",i);
printf("\nNumber of o's %d",o);
printf("\nNumber of u's %d",u);
printf("\nNumber of letterss %d",total);



}

Find the Maximum value in a Array

#include

void main()

{

int i,count=0,max,x;
int str[10];

for(i=0;i<3;i++)
{
printf("enter:");
scanf("%d",&str[i]);
}

max=str[0];

for(x=0;x<3;x++)
{
if(max < str[x] )
max=str[x];
}
printf("Vaval is:%d",max);

}

Finding the Vowels Count in a Word

#include

void main()

{

int i,count=0;
char str[9];

printf("Enter a Word : ");
gets(str);

for(i=1;i<8;i++)
{
if('a'==str[i]||'e'==str[i]||'i'==str[i]||'o'==str[i]||'u'==str[i])

count++;
}

printf("Vaval count is:%d",count);
}

Riverse String abc <---- cba (My Method)

#include

void main()

{

int i,x;
char str[10],rev[10];

for(i=0;i<3;i++)
{
printf("enter:");
fflush(stdin);
scanf("%c",&str[i]);
}
for(x=3;x>=0;x--)

printf("%c",str[x]);

}

STAR PATTERNS

...:::STAR PATTERNS:::...


*
**
***
****
*****
******
*******
********
*********

#include

void main()
{
int row,col;

for(row=1;row<=10;row++)
{
for(col=1;col<=row;col++)
{
printf("*");
}
printf("\n");
}


}


------------------------------------------------------------------------------------------

*********
********
*******
******
*****
****
***
**
*


#include

void main()
{
int row,col;

for(row=10;row>=0;row--)
{
for(col=1;col<=row;col++)
{
printf("*");
}
printf("\n");
}


}



------------------------------------------------------------------------------------------

*
**
***
****
*****
******
*******
********
*********

#include

void main()
{
int row,col;


for(row=1;row<=10;row++)
{
for(col=10;col>=row;col-=1)
{
printf(" ");
}

for(col=1;col<=row;col++)
{
printf("*");
}

printf("\n");
}


}





------------------------------------------------------------------------------------------

*********
********
*******
******
*****
****
***
**
*


#include

void main()
{
int row,col;

for(row=10;row>=0;row--)
{
for(col=10;col>=row;col-=1)
{
printf(" ");
}

for(col=1;col<=row;col++)
{
printf("*");
}

printf("\n");
}
}

------------------------------------------------------------------------------------------

*
***
*****
*******
*********
*******
*****
***
*




#include

void main()
{
int row,col;

for(row=1;row<=10;row++)
{
for(col=10;col>=row;col-=2)
{
printf(" ");
}

for(col=1;col<=row;col++)
{
printf("*");
}

printf("\n");
}



for(row=10;row>=0;row--)
{
for(col=10;col>=row;col-=2)
{
printf(" ");
}

for(col=1;col<=row;col++)
{
printf("*");
}

printf("\n");
}


}

Mr.Gamidu's Model Paper Answers ( In course test)

Question 1.C.

# include

void main()
{
int intvalue;
char charval;

printf("Enter the value and the character:");
scanf("%d",&intvalue);
scanf("%c",&charval);

printf("the values are %d,%c",intvalue,charval);

}

-----------------------------------------------------------------------------------------------

Question 1.E.

#include

void main()
{
int x;

for(x=999;x>=1;x-=2)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------


Question 1.F.

#include

void main()
{
int count=0;

do
{
if(count%2==0)

printf("\n%d",count);

count+=2;
}
while(count<100);

}

-----------------------------------------------------------------------------------------------

Question 1.G.


#include

void main()
{
int total,x;

for(x=100;x<=150;x++)

total=total+x;

printf("%d",total);

}

..::2nd method::..


#include

void main()
{
int count,x=0;

do
{
if(x<=150 && x>=100)

count+=x;

}
while(x=x+1);

printf("\n%d",count);

}

********************************************************************

Question 4.6.a.

#include

void main()
{
int x=0;

for(x=2;x<=13;x+=2)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------

Question 4.6.b.

#include

void main()
{
int x=0;

for(x=5;x<=22;x+=7)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------


Question 4.6.c.

#include

void main()
{
int x=0;

for(x=3;x<=15;x+=3)

printf("\n%d",x);

-----------------------------------------------------------------------------------------------

Question 4.6.d.

#include

void main()
{
int x=0;

for(x=1;x<=5;x+=7)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------

Question 4.6.e.

# include
void main()
{
int x;

for(x=12; x>=2; x-=3)
printf("\n%d",x);

}

********************************************************************

Question 4.7.a.

#include

void main()
{
int x;

for(x=1;x<=7;x++)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------
Question 4.7.b.

#include

void main()
{
int x;

for(x=3;x<=23;x+=5)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------

Question 4.7.c.

#include

void main()
{
int x;

for(x=20;x>=-10;x-=6)

printf("\n%d",x);

}

-----------------------------------------------------------------------------------------------


Question 4.7.d.

#include

void main()
{
int x;

for(x=19;x<=51;x+=8)

printf("\n%d",x);

}

********************************************************************


Question 4.8.

#include

void main()
{
int x;
int y;
int i;
int j;

printf("Enter the colloums and rows 1-20:");
scanf("%d %d",&x,&y);

for(i=1; i<=y ; i++)
{
for(j=1;j<=x;j++)
{
printf("@");
}
printf("\n");
}
}

********************************************************************


Question 4.9.

#include

void main()
{
int value=0,total=0,i=0,num=0;

printf("How many Numbers you should want to Sum:");
scanf("%d",&num);

for(i=1;i<=num;i++)
{
printf("Enter the Value %d :",i);
scanf("%d",&value);

total=total+value;
}

printf("Total is : %d",total);
}

********************************************************************

Question 4.11.

#include

void main()
{
int i,how,value,min;

printf("Enter How manu numbers you want to add: ");
scanf("%d",&how);

for(i=1;i<=how;i++)
{
printf("Enter the value %d :",i);
scanf("%d",&value);

if(min>value)
{
min=value;
}

}
printf("value is :%d",min);
}



********************************************************************

Question 4.12.

#include


void main()
{
int i,total=0;

for(i=2;i<=30;i+=2)
{
total=total+i;
}

printf("Total of is: %d",total);

}

********************************************************************

Question 4.13.

#include


void main()
{
int i,total;

for(i=1;i<=15;i+=2)
{
total=total*i;
}

printf("Total of is: %d",total);

}



********************************************************************

Question 4.14.

#include

void main()
{
int i,num,fact=1;

printf("give the Limit: ");
scanf("%d",&num);

for(i=1;i<=num;i++)
fact=fact*i;

printf("%d",fact);


}


********************************************************************

Question 4.16.a.

#include

void main()
{
int row,col;

for(row=1;row<=10;row++)
{
for(col=1;col<=row;col++)
{
printf("*");
}
printf("\n");
}
}


-----------------------------------------------------------------------------------------------

Question 4.16.b

#include

void main()
{
int row,col;

for(row=10;row>=0;row--)
{
for(col=1;col<=row;col++)
{
printf("*");
}
printf("\n");
}
}



********************************************************************

Question 4.17.

#include

void main()
{
int accn,cl,bl;
float new;


printf("Enter the Account Number: ");
scanf("%d",&accn);

printf("Enter the Current Balance: ");
scanf("%d",&cl);

printf("Enter the Enter the Credit Limit: ");
scanf("%d",&bl);

new=bl/2;

if(newprintf( "Your Account Number is : %d \n Your Balance is %d \n Your New Credit Limit is: %f \n You can do the transaction",accn,cl,new);

else
printf("you cant do the transaction");


}


********************************************************************

Question 4.18.

#include

void main()
{
int num,i,x;

for(i=0;i<5;i++)
{
printf("\nEnter the number %d :",i+1);
scanf("%d",&num);

for(x=1;x<=num;x++)
printf("*",x);

}
}






********************************************************************


Question 4.19.

#include

void main()

{
int num;
float pro,total;

printf("Enter the product type:" );
scanf("%d",&num);

switch (num)
{
case 1:
printf("Enter the Quantity:" );
scanf("%f",&pro);
total=pro*2.98;
printf("Total is:%.2f",total);break;

case 2:
printf("Enter the Quantity:" );
scanf("%f",&pro);
total=pro*4.50;
printf("Total is:%.2f",total);break;

case 3:
printf("Enter the Quantity:" );
scanf("%f",&pro);
total=pro*9.98;
printf("Total is:%.2f",total);break;

case 4:
printf("Enter the Quantity:" );
scanf("%f",&pro);
total=pro*4.49;
printf("Total is:%.2f",total);break;

case 5:
printf("Enter the Quantity:" );
scanf("%f",&pro);
total=pro*6.87;
printf("Total is:%.2f",total);break;
}
}


********************************************************************

Question 4.31.

#include

void main()
{
int row,col;

for(row=1;row<=10;row++)
{
for(col=10;col>=row;col-=2)
{
printf(" ");
}

for(col=1;col<=row;col++)
{
printf("*");
}

printf("\n");
}



for(row=10;row>=0;row--)
{
for(col=10;col>=row;col-=2)
{
printf(" ");
}

for(col=1;col<=row;col++)
{
printf("*");
}




printf("\n");
}


}


********************************************************************