Simple Programs

  • Doing Programs gives you the great understanding about what you have learned.
  • Doing Programs gives you the Confidence.
  • So let's Start by doing some programming.

  • Q1: declare variable length,breadth,take value of length and breadth from user and calculate area of rectangle

  • Solution:

    #include<stdio.h>            //header file

void main()
{
float area,lenght ,breadth;
printf("enter the length");
scanf("%f",&lenght);    // taking value of length from the user
printf("enter the breadth");
scanf("%f",&breadth);   //taking value of breadth from the user 
area = lenght*breadth;   


printf("Area of rectangle is %f",area);



}

    Output:

    enter the length> 12.5
    enter the breadth> 5.5
    Area of rectangle is 68.750000 sqcm.

  • Exercise:

    Q2: declare variable radius,take value from the user and calculate area of circle

    hint:Formula for Area of Circle is pi*radius2

  • Q3: declare Character variable ch_v take value from the user and print the previous and the next character.

  • Solution:

    #include<stdio.h>            //header file

void main()
{
char char_v,b;            //declaring variable
printf("Enter the character>");
char_v = getchar();
b = char_v - 1;
char_v = char_v +1;
printf("previous character is %c \n next character is %c ",b,char_v);

}

    Output:

    Enter the character>D
    previous character is C
    next character is E

  • Exercise

    Q4: declare Character variable ch_v take value from the user and print the previous to previous character and the next to next character.

    Hint:Add and subtract 2 from the Variable.

  • Q5: declare Character variable ch_v take value from the user and print the Ascii value of that Character.

    Solution:

    #include<stdio.h>            //header file

void main()
{
char char_v;
printf("Enter the character>");
char_v = getchar();
printf("Ascii value is %d",char_v);

}

    Output:

    Enter the character>A
    Ascii value is 65

  • Exercise:

    Q6: declare two variable char_v1 and char_v2 and take value from user and print the difference of their Ascii Values.

    HINT:Use '%d' to get Ascii Value of the Character.





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