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MATHEMATICAL OPERATIONS
1.
# include<stdio.h> #include void main() { int a, b, S, P, D, Q; clrscr(); printf(“Enter two nos.”); scanf(“%d %d”,&a,&b); S=a+b; P=a*b; D=a-b; Q=a/b; printf(“%d %d getch(); } Output Enter two nos. 3 5 6 1 1.5
2
%d
%d ,”S,P,D,Q);
2.LARGEST AMONG THREE NUMBERS #include<stdio.h> #include void main() { int a,b,c; clrscr(); printf(“Enter three numbers”); scanf(“%d %d %d”, &a,&b,&c); If (a>b && a>c) printf(“%d is largest”,a); else if (b>c
&& b>a)
printf(“%d is largest”,b); else printf(“%d is largest”,c); getch(); } Output Enter three numbers 21
31
41 is largest
41
3.MARK DIVISION #include<stdio.h> #include void main() { int m1,m2,m3,m4,m5,per; clrscr(); printf(“Enter the marks”); scanf(“%d %d
%d
%d %d”,&m1,&m2,&m3,&m4,&m5);
Per=(m1+m2+m3+m4+m5)/250*100; If (per>=60) printf(“ first division”); else if (per>=50) print f(“second division”); else if (per>=40) printf(“third division”); else printf(“failed”); getch(); } Output:-
Enter the marks
40
34
Failed
35
39
42
4.AREA & PERIMETER OF A CIRCLE & A SQUARE #include<stdio.h> #include #
DEFINE PI
3.14
void main() { int r,a; float as,ps ,ac,pc; clrscr(); printf(“Enter the values of r and a”); scanf(“%d
%d”,&r,&a”);
as=a*a;ps=4*a; ac=pI*r*r;pc=2*pI*r; Pri nt f(“a= %d \n r=%d\n as=%f \n ps=%f\n ac=%f \n pc=%f”,a,r,as,ps,a,c,pc); getch(); } Output:- Enter the values of r and a a=2 r=3 as=4.Q ps=8.0 ac=28.26 pc=18.84
5.SIMPLE INTEREST #include<stdio.h> #include void main() { float p,n,r,I; clrscr(); printf(“Enter p,n,r”); scanf(“%f %f
%f”,&p,&n,&r);
I=p*n*r; printf(“p=%f getch(); } Output Enter p,n,r P=2000 n=2 r=4 I=160
\n n=%f \n
r=%f
\n
I=%f”,p,n,r,I)
6.CALCULATOR #include<stdio.h> #include void main() { float num1=2,num2=3,S,P,D,Q; Char a; clrscr(); printf(“Enter an operator”); scanf(“%c”,&a); switch(a) { Case’+’ : s=num1+num2; printf(“ %f”,s); Break; Case’*’:
p=num1*num2 printf(“%f”,p); break;
Case’/’:
Q=num1/num2 printf(“%f”,Q); break;
Case’-‘ : D=num1-num2 printf(“%f”,D); Break; Default :printf(“invalid operator”); Break; } getch(); } Output: *
Enter an operator
7.PRIME NUMBERS #include<stdio.h> #include void main() {
int count,a=2,b=3,x,I,d;
clrscr(); printf(“Enter the count”); scanf (“%d “,&count”); printf(“%d”,a); I=2; While (i<=count) {a=2;x=0; While(a
Enter the count 10
8.AMSTRONG NUMBER #include<stdio.h> #include void main() { int x,a,n,s=0; clrscr(); printf(“Enter a number”); scan f(“%d”,&n); x=n; while(n>0) {a=n%10; S=s+(a*a*a); n=n/10; } If (s==x) printf(“number is Armstrong”); Else printf(“number is not Armstrong”); getch(); } Output Enter a number 153 Number is Armstrong
9.SUM OF ‘n’ NOS. #include<stdio.h> #include void main() { int n,s=0,a,I; clrscr(); printf(“Enter the limit”); scanf(“%d”, &n); printf (“Enter the numbers”); for(i=0;i
scanf (“%d”,&a); S=s+a;
} printf(“the sum is%d”,s) getch(); } Output:1
2
Enter the limit 5 3
The sum is 15
4
5
10.PATTERN PRINTING #include<stdio.h> #include void main() { int
a,I,j;
clrscr(); printf(“Enter the no.of lines”); scanf(“%d”,&a); for(i=1;i<=a;i++) {
for(j=1; j<=I;j++) { print f(“%d\t”,j); } Printf(“\n”);
} getch(); } Output Enter the no.of lines 4 1 1
2
1
2
3
1
2
3
4
11.MATRIX ADDITION #include<stdio.h> #include void main() { int I,j,a[30] [30],b [30] [30],c [30][30],m,n,x,y; clrscr(); printf(“Enter the row size and column size of 1st mat”); scan(“%d
%d “,&m,&n);
printf (“Enter the elements in 1st mat”); for(i=0;i<m; i++”) { for(j=0;j
(m==x)
Print f(“the resultant matrix is\n”); For(i=0; i<m; i++) { for (j=0;j
for(j=0; j
Printf (“%d\t”,c[i][j]); Print f (“\n”); } Else Printf(“addition is not possible\n”);
For(i=0; i<m; i++) Getch() } Output Enter rows n columns of 1st matrix 3 Enter 1st matrix
1 2
1
2
1
1
2
2
1
Enter rows n columns of 2nd matrix Enter 2nd matrix
1
3
2
1
2
1
1
2
2
1
The resultant matrix is 2
4
2
4
2
4
4
2 2
3
3
12.MATRIX MULTIPLICATION #include<stdio.h> #include Int a[20][20],b[20][20],c[20][20],I,j,rs1,rs2,cs1,cs2,k; void main() {
clrscr();
printf (“Enter the row $ column size of matrix 1”); scanf(“%d %d”,&rs1,&rs1); printf(“Enter the row $ column size of matrix 2”); scanf(“%d %d”,&rs2,&rs2); If(cs1==rs2) { printf(“Enter the members of matrix 1\n”); for(i=0;i
} } } print f(“\n the output is \n”); for (i=0;i
2
2
Enter the row &column of matrix 2
2
2
Enter the members of matrix 1
2
2 2
Enter the members of matrix 2
2
2 2
The output is
8 8
8 8
2
2
13.BUBBLE SORT #include<stdio.h> #include void main() {
int I,j,temp,n,a[50]; clrscr();
printf(“Enter the limit”); scanf(“%d “,&n); printf(“Enter the elements”); for(i=0;ia[j]) { temp=a[i]; a[i]=a[j]; a[j]=temp; }
}
}
Printf(“after sorting”); for(i=0;i
5
Enter the elements After sorting
17
45 34 34
17 78 45
56
56 78
14.IIBONACCI SERIES # include<stdio.h> #include void main() { int a,b,I,n; clrscr(); printf(“Enter the limit of the series\n”); scanf(“%d”,&n”); A=0; b=1; i=2; While (i
printf(“%d\n”,a); printf(“%d\n”,b);
A=a+b; B=a+b; I=i+2; } If(i==n) printf(“%d\n%d”,a,b); Else printf(“%d”,a); getch(); } Output Enter the limit of series 5 1
1
2
3
5
15.STRING REVERSE #include<stdio.h> #include void main() {
int I, temp,len;
char str[20]; clrscr(); printf(“Enter the string to be reversed\t”); scanf(“%s”,str); printf (“Enter the length of the string\t”); scanf(“%d”,&len); while(str[i]!=’\0’) { for(i=0;i<=len/2;i++) {
temp=str[i]
Str[i]=str[len-i-1]; Str[len-i-1]=temp; } } printf(“the reversed string is\n”); for(i=0;i
RIVERBO
Enter the length of the string
7
The
reversed string is OBREVIR
16.INSERTION &DELETION OF ELEMENT IN AN ARRAY #include<stdio.h> #include void main() { int I,n,ins,del,a[100],pos,new; char choice; clrscr(); printf(“Enter the limit”); scanf(“%d “,&n); printf(“Enter the nos”); for(i=0;i=pos;i--) { a[i]=a[i=1]; } A[i]=new; printf (“the new array is \n”); for(i=0;i
} Else if(choice==del) { printf(“Enter the positionto be deleted”); scanf(“%d”,&del); for(i=del;i<=n;i++) A[i-1]=a[i]; printf(“the new array is\n”); for(i=0;i
5
Enter the nos
36 71
Enter the choice Enter the position
82
ins 3
Enter the no to be inserted The new array is 36 71
5
82
91
91
17
5
17
17.STRING PALINDROME #include<stdio.h> #include Void main() { int I,j,l,flag=0,len=0; char str[10]; clrscr(); printf(“Enter the string\n”); scan f(“%s”,str); for(i=0;str[i]1=’\0’;i++) Len++; L=len-1; For(i=0;j=1;i
flag=1;
} If(flag==0) Print f(“\n the string is palindrome”); Else Print f(“\n the string is not palindrome”); Getch(); } Output Enter the string AFFECIANADO The string is not palindrome
18.FACTORIAL USING RECURSSION #include<stdio.h> #include Void main() { int num,fac; Clrscr(); Print f(“Enter the no\n”); Scan f(“%d”,&num); Fac=fact(num); Print f(“factorial is %d”, fac); Getch(); } Int fact (int num) { if(num==1) Return(1); Else Return(num*fact(num-1)); } Output Enter the no 6 Factorial is 720 19.SWAPPING USING FUNCTIONS #include<stdio.h> #include Void swap(int,int);
Void main() { int a,b; Clrscr(); Print f(“Enter two nos”); Scan f(“%d%d”,&a,&b); Swap(a,b); Getch(); } Void swap(int d,int c) { int temp; Temp=d; D=c; E=temp; Print f(“%d\t%d”,d,e); } Output Enter two nos 3
2
2
3
20.MENU DRIVEN PROGRAMMING #include<stdio.h> #include Void main() { Int a,b; Odd; Clrscr(); Print f(“select your choice”); Printf(“\n 1.area of rectangle \n 2.area of circle\n”); Scan f(“%d,”&a); Switch(a) { case 1; Rectangle (); Break; Case 2; Circle (); Break; Default; Print f(“invalid selection”); }} Print f(“\n do you wish to continue?\n if yes,enter 1 \n to exit,enter 0\n”); Scan f(“%d”,&b); If(b==1) Goto
odd;
If(b==0) Exit(0); Getch(); } Rectangle() { float c,d,a; Print (“Enter the sides a,b of rect”); Scanf(“%f%f”,&c,&d); A=c*d; Print f(“the area of rectangle=%f”,a); } Circle() { float r,p=3.14,a; Print f(“Enter the radius\n”); Scan f(“%f”,&r); D=p*r*r; Print (“area of circle=%f”, a); } Output Enter the choice 1 Enter the sides of rect 3 4 Area of rectangle =12.000000 Do you wish to continue? If yes enter1,to exit enter 0
1.
# include<stdio.h> #include
2
%d
%d ,”S,P,D,Q);
2.LARGEST AMONG THREE NUMBERS #include<stdio.h> #include
&& b>a)
printf(“%d is largest”,b); else printf(“%d is largest”,c); getch(); } Output Enter three numbers 21
31
41 is largest
41
3.MARK DIVISION #include<stdio.h> #include
%d
%d %d”,&m1,&m2,&m3,&m4,&m5);
Per=(m1+m2+m3+m4+m5)/250*100; If (per>=60) printf(“ first division”); else if (per>=50) print f(“second division”); else if (per>=40) printf(“third division”); else printf(“failed”); getch(); } Output:-
Enter the marks
40
34
Failed
35
39
42
4.AREA & PERIMETER OF A CIRCLE & A SQUARE #include<stdio.h> #include
DEFINE PI
3.14
void main() { int r,a; float as,ps ,ac,pc; clrscr(); printf(“Enter the values of r and a”); scanf(“%d
%d”,&r,&a”);
as=a*a;ps=4*a; ac=pI*r*r;pc=2*pI*r; Pri nt f(“a= %d \n r=%d\n as=%f \n ps=%f\n ac=%f \n pc=%f”,a,r,as,ps,a,c,pc); getch(); } Output:- Enter the values of r and a a=2 r=3 as=4.Q ps=8.0 ac=28.26 pc=18.84
5.SIMPLE INTEREST #include<stdio.h> #include
%f”,&p,&n,&r);
I=p*n*r; printf(“p=%f getch(); } Output Enter p,n,r P=2000 n=2 r=4 I=160
\n n=%f \n
r=%f
\n
I=%f”,p,n,r,I)
6.CALCULATOR #include<stdio.h> #include
p=num1*num2 printf(“%f”,p); break;
Case’/’:
Q=num1/num2 printf(“%f”,Q); break;
Case’-‘ : D=num1-num2 printf(“%f”,D); Break; Default :printf(“invalid operator”); Break; } getch(); } Output: *
Enter an operator
7.PRIME NUMBERS #include<stdio.h> #include
int count,a=2,b=3,x,I,d;
clrscr(); printf(“Enter the count”); scanf (“%d “,&count”); printf(“%d”,a); I=2; While (i<=count) {a=2;x=0; While(a
Enter the count 10
8.AMSTRONG NUMBER #include<stdio.h> #include
9.SUM OF ‘n’ NOS. #include<stdio.h> #include
scanf (“%d”,&a); S=s+a;
} printf(“the sum is%d”,s) getch(); } Output:1
2
Enter the limit 5 3
The sum is 15
4
5
10.PATTERN PRINTING #include<stdio.h> #include
a,I,j;
clrscr(); printf(“Enter the no.of lines”); scanf(“%d”,&a); for(i=1;i<=a;i++) {
for(j=1; j<=I;j++) { print f(“%d\t”,j); } Printf(“\n”);
} getch(); } Output Enter the no.of lines 4 1 1
2
1
2
3
1
2
3
4
11.MATRIX ADDITION #include<stdio.h> #include
%d “,&m,&n);
printf (“Enter the elements in 1st mat”); for(i=0;i<m; i++”) { for(j=0;j
(m==x)
Print f(“the resultant matrix is\n”); For(i=0; i<m; i++) { for (j=0;j
for(j=0; j
Printf (“%d\t”,c[i][j]); Print f (“\n”); } Else Printf(“addition is not possible\n”);
For(i=0; i<m; i++) Getch() } Output Enter rows n columns of 1st matrix 3 Enter 1st matrix
1 2
1
2
1
1
2
2
1
Enter rows n columns of 2nd matrix Enter 2nd matrix
1
3
2
1
2
1
1
2
2
1
The resultant matrix is 2
4
2
4
2
4
4
2 2
3
3
12.MATRIX MULTIPLICATION #include<stdio.h> #include
clrscr();
printf (“Enter the row $ column size of matrix 1”); scanf(“%d %d”,&rs1,&rs1); printf(“Enter the row $ column size of matrix 2”); scanf(“%d %d”,&rs2,&rs2); If(cs1==rs2) { printf(“Enter the members of matrix 1\n”); for(i=0;i
} } } print f(“\n the output is \n”); for (i=0;i
2
2
Enter the row &column of matrix 2
2
2
Enter the members of matrix 1
2
2 2
Enter the members of matrix 2
2
2 2
The output is
8 8
8 8
2
2
13.BUBBLE SORT #include<stdio.h> #include
int I,j,temp,n,a[50]; clrscr();
printf(“Enter the limit”); scanf(“%d “,&n); printf(“Enter the elements”); for(i=0;i
}
}
Printf(“after sorting”); for(i=0;i
5
Enter the elements After sorting
17
45 34 34
17 78 45
56
56 78
14.IIBONACCI SERIES # include<stdio.h> #include
printf(“%d\n”,a); printf(“%d\n”,b);
A=a+b; B=a+b; I=i+2; } If(i==n) printf(“%d\n%d”,a,b); Else printf(“%d”,a); getch(); } Output Enter the limit of series 5 1
1
2
3
5
15.STRING REVERSE #include<stdio.h> #include
int I, temp,len;
char str[20]; clrscr(); printf(“Enter the string to be reversed\t”); scanf(“%s”,str); printf (“Enter the length of the string\t”); scanf(“%d”,&len); while(str[i]!=’\0’) { for(i=0;i<=len/2;i++) {
temp=str[i]
Str[i]=str[len-i-1]; Str[len-i-1]=temp; } } printf(“the reversed string is\n”); for(i=0;i
RIVERBO
Enter the length of the string
7
The
reversed string is OBREVIR
16.INSERTION &DELETION OF ELEMENT IN AN ARRAY #include<stdio.h> #include
} Else if(choice==del) { printf(“Enter the positionto be deleted”); scanf(“%d”,&del); for(i=del;i<=n;i++) A[i-1]=a[i]; printf(“the new array is\n”); for(i=0;i
5
Enter the nos
36 71
Enter the choice Enter the position
82
ins 3
Enter the no to be inserted The new array is 36 71
5
82
91
91
17
5
17
17.STRING PALINDROME #include<stdio.h> #include
flag=1;
} If(flag==0) Print f(“\n the string is palindrome”); Else Print f(“\n the string is not palindrome”); Getch(); } Output Enter the string AFFECIANADO The string is not palindrome
18.FACTORIAL USING RECURSSION #include<stdio.h> #include
Void main() { int a,b; Clrscr(); Print f(“Enter two nos”); Scan f(“%d%d”,&a,&b); Swap(a,b); Getch(); } Void swap(int d,int c) { int temp; Temp=d; D=c; E=temp; Print f(“%d\t%d”,d,e); } Output Enter two nos 3
2
2
3
20.MENU DRIVEN PROGRAMMING #include<stdio.h> #include
odd;
If(b==0) Exit(0); Getch(); } Rectangle() { float c,d,a; Print (“Enter the sides a,b of rect”); Scanf(“%f%f”,&c,&d); A=c*d; Print f(“the area of rectangle=%f”,a); } Circle() { float r,p=3.14,a; Print f(“Enter the radius\n”); Scan f(“%f”,&r); D=p*r*r; Print (“area of circle=%f”, a); } Output Enter the choice 1 Enter the sides of rect 3 4 Area of rectangle =12.000000 Do you wish to continue? If yes enter1,to exit enter 0
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