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Programs Questions and Answers



    Question :: 321
    Write a program in C using command line argument, take input as diameter of circle and calculate the area of circle.

    Input : NA


    Output : NA

    View Answer |  Basics |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In: C  
     
    #include <stdio.h>
    #include <stdlib.h>
    #define PI 3.142

    int main(int argc, char * argv[])
    {
        float radius, area;
    if(argc == 1 ||  argc > 2)
          {
                printf("Enter the diameter of circle\n");
                exit(1);
          }
        radius = atoi(argv[1]) / 2;
        area = PI * radius * radius ;
        printf("Area of a circle = %5.2f\n", area);
    }

    Tags:TCS

    Question :: 322
    Write a program to sort an array into two halves, one half ascending and second half descending.

    Input : NA


    Output : NA

    View Answer |  Array |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Experience, Fresher
    Answer In: C  
     
    <p>#include <stdio.h></p>

    <p>int main(void)<br />
    {<br />
        int a[10], i=0, j=0, n, t;</p>

    <p>    printf ("\n Enter the no. of elements: ");<br />
        scanf ("%d",
    Question :: 323
    Write a c program to convert binary to decimal using command line arguments?

    Input : NA


    Output : NA

    View Answer |  Basics |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In: C   C++   JAVA  
     
    #include <stdio.h>
    int main(int argc, char *argv[])
    {
    int num,binary,decimal=0,rem,base=1;
    num=atoi(argv[1]);
    binary=num;
    while(num>0)
    {
    rem=num%2;
    decimal =rem*base;
    num=num/10;
    base=base*2;
    }
    printf("%d",decimal);
    return 0;
    }

    Tags:TCS

    Question :: 324
    Define a macro which gives greatest number out of 3 numbers.

    Input : NA


    Output : NA

    View Answer |  Basics |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In:
     No Discussion on this question yet!
    Question :: 325
    Write a function to implement strcasecmp().

    Input : NA


    Output : NA

    View Answer |  Strings |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In: C  
     
    <p>#include<stdio.h></p>

    <p>#include<conio.h></p>

    <p>void main()</p>

    <p>{</p>

    <p>char str1="EXAMPLE";</p>

    <p>char str2="example";</p>

    <p>int result;</p>

    <p>result=strcasecmp(str1,str2);</p>

    <p>if(result==0)</p>

    <p>printf("strings are equal");</p>

    <p>else if(result<0)</p>

    <p>printf("%s is less than %s",str1,str2);</p>

    <p>else</p>

    <p>printf("%s is greater than %s",str1,str2);</p>

    <p>}</p>
    Question :: 326
    Write recursive function for reversing a string.

    Input : NA


    Output : NA

    View Answer |  Strings |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In:
     No Discussion on this question yet!
    Question :: 327
    Write a function to implement strncpy using recursion.

    Input : NA


    Output : NA

    View Answer |  Strings |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In:
     No Discussion on this question yet!
    Question :: 328
    Write a function to check the divisibility by 8.

    Input : NA


    Output : NA

    View Answer |  Basics |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In:
     No Discussion on this question yet!
    Question :: 329
    Write a logic for Matrix multiplication.

    Input : NA


    Output : NA

    View Answer |  Array |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In:
     No Discussion on this question yet!
    Question :: 330
    Find the 2nd largest element in array, without sorting and swap in the middle element.

    Input : NA


    Output : NA

    View Answer |  Array |  Discuss in Forum | Add to Reading List To Reading List | Asked In |  Fresher
    Answer In:
     No Discussion on this question yet!