16. PRINTING ASCII VALUE
void main()
{
int i;
clrscr();
for(i=0;i<=255;i++)
{
printf("%d -> %c ",i,i);
delay(10);
}
getch();
}
17. CHECKING LEAP YEAR
void main()
{
int year;
clrscr();
printf("Enter any year->");
scanf("%d",&year);
if(((year%4==0)&&(year%100!=0))||(year%400==0))
printf("%d is a leap year",year);
else
printf("%d is not a leap year",year);
getch();
}
18. CONVERSION OF DECIMAL TO BINARY
void main()
{
int n,m,no=0,a=1,rem;
clrscr();
printf("Enter any decimal number->");
scanf("%d",&n);
m=n;
while(n!=0)
{
rem=n%2;
no=no+rem*a;
n=n/2;
a=a*10;
}
printf("The value %d in binary is->",m);
printf("%d",no);
getch();
}
19. CONVERSION OF BINARY TO DECIMAL
void main()
{
long int no,n=0,j=1,rem,no1;
clrscr();
printf("Enter any number any binary form->");
scanf("%ld",&no);
no1=no;
while(no!=0)
{
rem=no%10;
n=n+rem*j;
j=j*2;
no=no/10;
}
printf("\nThe value of binary no. %ld is ->%ld",no1,n);
getch();
}
20. SWAPING OF TWO ARRAYS
void main()
{
int a[10],b[10],c[10],i;
clrscr();
printf("Enter First array->");
for(i=0;i<10;i++)
scanf("%d",&a[i]);
printf("\nEnter Second array->");
for(i=0;i<10;i++)
scanf("%d",&b[i]);
printf("Arrays before swapping");
printf("\nFirst array->");
for(i=0;i<10;i++)
{
printf("%d",a[i]);
}
printf("\nSecond array->");
for(i=0;i<10;i++)
{
printf("%d",b[i]);
}
for(i=0;i<10;i++)
{
//write any swapping technique
c[i]=a[i];
a[i]=b[i];
b[i]=c[i];
}
printf("\nArrays after swapping");
printf("\nFirst array->");
for(i=0;i<10;i++)
{
printf("%d",a[i]);
}
printf("\nSecond array->");
for(i=0;i<10;i++)
{
printf("%d",b[i]);
}
getch();
}
21. FINDING NCR FACTOR
void main()
{
int n,r,ncr;
clrscr();
printf("Enter any two numbers->");
scanf("%d %d",&n,&r);
ncr=fact(n)/(fact(r)*fact(n-r));
printf("The NCR factor of %d and %d is %d",n,r,ncr);
getch();
}
int fact(int n)
{
int i=1;
while(n!=0)
{
i=i*n;
n--;
}
return i;
}
22. PASCAL’S TRIANGLE
void main()
{
int line,i,j,k;
clrscr();
printf("Enter the no. of lines");
scanf("%d",&line);
for(i=1;i<=line;i++)
{
for(j=1;j<=line-i;j++)
printf(" ");
for(k=1;k<i;k++)
printf("%d",k);
for(k=i;k>=1;k--)
printf("%d",k);
printf("\n");
}
getch();
}
23. CONVERSION FROM UPPERCASE TO LOWER CASE
void main()
{
char str[20];
int i;
clrscr();
printf("Enter any string->");
scanf("%s",str);
printf("The string is->%s",str);
for(i=0;i<=strlen(str);i++)
{
if(str[i]>=65&&str[i]<=90)
str[i]=str[i]+32;
}
printf("\nThe string in uppercase is->%s",str);
getch();
}
24. CONVERSION FROM LOWER CASE TO UPPER CASE
void main()
{
char str[20];
int i;
clrscr();
printf("Enter any string->");
scanf("%s",str);
printf("The string is->%s",str);
for(i=0;i<=strlen(str);i++)
{
if(str[i]>=97&&str[i]<=122)
str[i]=str[i]-32;
}
printf("\nThe string in lowercase is->%s",str);
getch();
}
25. DELETE THE VOWELS FROM A STRING
void main()
{
char str[20],s[20];
int i,j=0;
clrscr();
printf("Enter any string->");
scanf("%s",str);
printf("The string is->%s",str);
for(i=0;i<=strlen(str);i++)
{
if(str[i]=='a'||str[i]=='e'||str[i]=='i'||str[i]=='o'||str[i]=='u')
str[i]=' ';
else
s[j++]=str[i];
}
s[j]='\0';
printf("\nThe string without vowel is->%s",s);
getch();
}
26. ADDITION OF MATRICES
void main()
{
int a[3][3],b[3][3],c[3][3],i,j;
clrscr();
printf("Enter the First matrix->");
for(i=0;i<3;i++)
for(j=0;j<3;j++)
scanf("%d",&a[i][j]);
printf("\nEnter the Second matrix->");
for(i=0;i<3;i++)
for(j=0;j<3;j++)
scanf("%d",&b[i][j]);
printf("\nThe First matrix is\n");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
printf("%d\t",a[i][j]);
}
printf("\nThe Second matrix is\n");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
printf("%d\t",b[i][j]);
}
for(i=0;i<3;i++)
for(j=0;j<3;j++)
c[i][j]=a[i][j]+b[i][j];
printf("\nThe Addition of two matrix is\n");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
printf("%d\t",c[i][j]);
}
getch();
}
27. STRING PALINDROME
#include"string.h"
void main()
{
char *str,*rev;
int i,j;
clrscr();
printf("\nEnter a string:");
scanf("%s",str);
for(i=strlen(str)-1,j=0;i>=0;i--,j++)
rev[j]=str[i];
rev[j]='\0';
if(strcmp(rev,str))
printf("\nThe string is not a palindrome");
else
printf("\nThe string is a palindrome");
getch();
}
28. COPY DATA FROM ONE FILE TO ANOTHER FILE
#include"stdio.h"
void main()
{
FILE *p,*q;
char file1[20],file2[20];
char ch;
clrscr();
printf("\nEnter the source file name to be copied:");
gets(file1);
p=fopen(file1,"r");
if(p==NULL)
{
printf("cannot open %s",file1);
exit(0);
}
printf("\nEnter the destination file name:");
gets(file2);
q=fopen(file2,"w");
if(q==NULL)
{
printf("cannot open %s",file2);
exit(0);
}
while((ch=getc(p))!=EOF)
putc(ch,q);
printf("\nCOMPLETED");
fclose(p);
fclose(q);
getch();
}
29. ADDITION & SUBTRACTION OF TWO COMPLEX NUMBERS
void main()
{
int a,b,c,d,x,y;
clrscr();
printf("\nEnter the first complex number:");
scanf("%d%d",&a,&b);
printf("\nEnter the second complex number:");
scanf("%d%d",&c,&d);
if(b<0)
printf("%d-i\n",a-b);
else
printf("d+i\n",a+b);
if(d<0)
printf("d-i\n",c-d);
else
printf("%d+i\n",c+d);
printf("\nADDITION ");
x=a+c;
y=b+d;
if(y>0)
printf("%d-i%d",x,-y);
else
printf("%d+i%d",x,+y);
printf("\n\nSUBTRACTION ");
x=a-c;
y=b-d;
if(y<0)
printf("%d-i%d",x,-y);
else
printf("%d+i%d",x,+y);
getch();
}
30. SUM OF THE SERIES 1+2+3+---------+n
void main()
{
int r;
clrscr();
printf("\nEnter the number range: ");
scanf("%d",&r);
printf("\nSum of the series is: %d",(r*(r+1))/2);
getch();
}
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Multiple choice is a form of assessment in which respondents are asked to select the best possible answer out of the choices from a list. The multiple choice format is most frequently used in educational testing.
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