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Program to show the effect of increment / decrement operator  Source Code: #include<stdio.h> #include<conio.h> int main( ) { int x; clrscr( ); printf("\nEnter the value of x::"); scanf("%d",&x); printf("\n x++ After the post increment is::%d",x++); printf("\n The changed value of x is::%d",x); printf("\n\nEnter the value of x::"); scanf("%d",&x); printf("\n --x After the pre decrement is::%d",--x); printf("\n The changed value of x is::%d",x); return 0; } Output: Follow our site for more program like this.. 

Program to show similarity between int and char Source Code: #include<stdio.h> #include<conio.h> int main() { int i; char c; printf("\nenter an integer"); scanf("%d", &i); // Input-65 printf("\nenter a character"); fflush(stdin); // Clears input buffer there may be space or new line char in input buffer scanf("%c", &c);// Input-A printf("\n%d", c);//Answer=65 //prints ASCII code of character stored in variable c printf("\n%c", i); Answer=A //prints character corresponding to the value store in i i=i+1; c=c+1; printf("\n%d", i);// Answer=66 printf("\n%c", c);// Answer=B return 0; } Output: Follow our site for more program like this.. 

WAP to input 3 sides of triangle and calculate area. Source Code: #include<conio.h> #include<stdio.h> #include<math.h> int main() { float a,b,c,s,A; printf("\n enter the value of the sides of the triangle:"); scanf("%f%f%f",&a,&b,&c); s=(a+b+c)/2; A=sqrt(s*(s-a)*(s-b)*(s-c)); printf("\n the area of the triangle is:%f",A); return 0; }

Write a C Program to swap two numbers (integers) without using third variable . Source Code: #include <stdio.h> int main() {  int x, y;  printf("Enter the value of x and y\n");  scanf("%d%d", &x, &y);  printf("Before Swapping\nx = %d\ny = %d\n",x,y);  x = x + y;  y = x - y;  x = x – y;  printf("After Swapping\nx = %d\ny = %d\n",x,y);  return 0; } Output:  Follow our site for more program like this.. 

Write a C Program to swap two numbers (integers) using third variable Source Code: #include <stdio.h> int main() {  int x, y, temp;  printf("Enter the value of x and y\n");  scanf("%d%d", &x, &y);  printf("Before Swapping\nx = %d\ny = %d\n",x,y);  temp = x;  x = y;  y = temp;  printf("After Swapping\nx = %d\ny = %d\n",x,y); return 0; } Output:  

Program to find the area of a circle and rectangle . Source Code: #include<conio.h> #include<stdio.h> #include<math.h> int main() { float Ac,Ar,r,l,b; printf("\n enter the radius:"); scanf("%f",&r); Ac=3.14*r*r; printf("\n the area of the circle is:%f",Ac); printf("\n enter the length and breadth of the rectangle:"); scanf("%f%f",&l,&b); Ar=l*b; printf("\n the area of the rectengle is:%f",Ar); return 0; } Output: Follow our site for more program like this. . 

Program to determine the value of a variable num2 depending on num1 ..  Source Code: #include<stdio.h> #include<conio.h> int main( ) { int num1,num2; clrscr( ); printf("\n Enter the value of num1::"); scanf("%d",&num1); num2=num1>10? 0:1; printf("\n The value of num2 is::%d",num2); return 0; } Output: Follow our site for more program like this.. 

Program to enter an ASCII code and display the character associated with it.  Source Code: #include<stdio.h> #include<conio.h> int main() { int code;  char ch;   printf(" Enter the value of code:"); scanf("%d", &code);  ch=(char) code;  printf(" \n The equivalent character is:%c",ch);   return 0;  }  Output: Follow our site for more program like this..

WAP to calculate total salary based upon the following:- HRA = 3 % of Basic salary, TA = 5 % of Basic salary, DA = 3 % of Basic salary. Description: Total salary= Basic Salary +HRA +TA + DA. Source Code: #include<conio.h> #include<stdio.h> int main() { float hra,ta,da; float basic,total_sal; printf("Enter Basic Salary"); scanf("%f",&basic); hra=basic * 3 / 100; ta=basic * 5 / 100; da=basic * 3 / 100; total_sal=basic + hra + ta + da ; printf("Total Salary is %.2f", total_sal); return 0; } Output: Follow our site for more program like this..

Program to convert temperature from Celsius to Fahrenheit   Source Code: #include<conio.h> #include<stdio.h> int main() { float f,c; printf("\n enter the temp. in celcius:"); scanf("%f",&c); f=(c*9)/5+32; printf("\n the temperature in fahrenheit is:%.2f",f); return 0; } Output: Follow our site for more program like this.. 

#WAP to calculate Simple and Compound Interest.  Description: To calculate simple interest we                               use following formula.                          • si=p*r*t/100;                          • ci= p*pow(1+(r/100),t); Source Code: #include <stdio.h> #include <math.h> int main() { Float a, p,r,t; float si,ci; printf(“Enter the value of p, r and t”); scanf(“%f%f%f”,&p,&r,&t); si=(p * r * t)/100; printf(“\n The Simple interest is %f”, si); a=p*pow(1+(r/100),t); ci=a-p; printf("\n The Compound interest is %f", ci); return 0; } Output : Follow our site for more program like this..

#WAP to find the addition, subtraction, multiplication, division of two numbers. Description : This program ensures that denominator is not zero for division. Key points-  Use of conditional and coma operator, integer divide by integer expression. Source Code: #include<stdio.h> #include<conio.h> int main() { int a,b,c; float d; printf("Enter the value of a and b"); scanf("%d%d",&a,&b); c=a+b; printf("\n The answer of summation is %d",c); c=a-b; printf("\n The answer of subtraction is %d",c); c=a*b; printf("\n The answer of multiplication is %d",c); b==0?printf("\n Division not possible"):(d=(float)a/b, printf("\n The answer of division is %f",f)); return 0; } Output: Follow the website for more programs like this..

#WAP to print the value and size of different data types (Use sizeof operator). Description:   This program illustrates use of format specifiers for different data types and sizeof   operator. Key points - Use of  sizeof  operator, use of different format specifiers. Source code : #include <stdio.h> int main() { //Characters char a=’1’; unsigned char b=’2’; //Integers int c=3; unsigned int d=4; short int e=5; unsigned short int f=6; long int g=7; unsigned long int h=8; //Real numbers float i=9.0; double j=10.0; long double k=11.0; printf(“\n The value of a is %c and size is %d byte”,a,sizeof(a)); printf(“\n The value of a is %c and size is %d byte”,b,sizeof(b)); printf(“\n The value of a is %d and size is %d bytes”,c,sizeof(c)); printf(“\n The value of a is %u and size is %d bytes”,d,sizeof(d)); printf(“\n The value of a is %d and size is %d bytes”,e,sizeof(e)); printf(“\n The value of a is %u and size is %d bytes”,f,sizeof(f)); printf(“\n...