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Programs Questions and Answers



  • 311. Write a program using command line argument to input two number and Calculate the  Sum of numbers.

    Input : ,   Output :

  • Answer In: C  
     
    #include <stdio.h>
    #include <stdlib.h>

    int main(int argc, char * argv[])
    {
      int x,y;
      if (argc == 1 || argc > 3)
      {
        printf("Enter Two Number\r\n");
        exit(0);
      }
      x=atoi(argv[1]);
      y=atoi(argv[2]);
      printf("\nSum of two number %d and %d is : %d\r\n",x,y,x+y) ;
    return 0;
    }
    Tags:

    TCS 

  • 312. Write a program using command line argument to input a string and print the string in reversed order..

    Input : ,   Output :

  • Answer In: C  
     
    #include<stdio.h>
    int main()
    {
        char a[50];
        int l,i=0,j,temp;
        printf("Enter A String: ");
        gets(a);
        for(l=0;a[l]!='\0';l++); 
                 // to determine length of String
        j=l-1;   // l is the length of String
        for(i=0;i<l/2;i++)
        {
            temp=a[i];
            a[i]=a[j];
            a[j]=temp;
            j--;
        }
        puts(a);
        return 0;
    }
    Tags:

    TCS 

  • 313. Write a program using command line arguments to input a number and find that number is even or odd.
    
    INPUT: 14
    OUTPUT: Even
    
    
    INPUT: 13
    OUTPUT: Odd
    
    

    Input : ,   Output :

  • Answer In: C  
     
    #include<stdio.h>
    int main(int argc,char *argv[])
    {
        int i;
        if(argc==2)
        {
            if(atoi(argv[1])%2==0)
                printf("\nEVEN NO.\n");
            else
                printf("\nODD NO.\n");
         }
        else if(argc>2) 
            printf("\nEnter only one Integer..!!!\n");
        else 
            printf("\nEnter one Integer.!!!\n");
        return 0;


    }
    Tags:

    TCS 

  • 314. Write a program using command line arguments to input two number and find the GCD/HCF of the number. 
    
    Condition:
    If the entered number is less than 2 print the message and exit.

    Input : ,   Output :

  • Answer In: C  
     
    #include<stdio.h>
    int main(int a,char *b[])
    {
        int num1,num2,min,i,gcd=1;
        if(a!=3){
            printf("Enter two argument\n");
            exit(1);
        }
        num1=atoi(b[1]);
        num2=atoi(b[2]);
        min=(no1<no2)?no1:no2;
        for(i=1;i<=min;i++)
        {
            if((num1%i)==0 && (num2%i)==0)
                gcd=i;
        }
        printf("GCD of two number %d",gcd);
        return 0;
    }
    Tags:

    TCS 

  • 315. Write a program using command line arguments to input two number and find the LCM of the number. 
    
    Condition:
    If the entered number is less than 2 print the message and exit.

    Input : ,   Output :

  • Answer In: C  
     
    #include <stdio.h>
    #include <stdlib.h>

    int main(int argc, char * argv[])
    {
      int n1,n2,x,y;
      if (argc == 1 || argc > 3)
      {
        printf("Enter Two Number\r\n");
        exit(0);
      }
      x=atoi(argv[1]);
      y=atoi(argv[2]);
      n1 = x; n2 = y;
      while(n1!=n2){
          if(n1>n2)
               n1=n1-n2;
          else
          n2=n2-n1;
      }
      printf("L.C.M of %d & %d = %d \r\n",x,y,x*y/n1);
      return 0;
    }
    Tags:

    TCS 

  • 316. Write a program using command line argument to input one number and print the Factorial of the number. 

    Input : ,   Output :

  • Answer In: C  
     
    #include <stdio.h>
    #include <stdlib.h>

    int main(int argc, char * argv[])
    {
        int  fact = 1,c = 0, num = 0;
        if(argc == 1 || argc > 2)
        {
             printf("Enter the number \n");
             exit(1);
        }
        num = atoi(argv[1]);
        for (c = 1; c <= num ; c++)
            fact *= c;

      printf("Factorial of %d = %d\n", num, fact);

    return 0;
    }
    Tags:

    TCS 

  • 317. Write a C program using command line arguments which will take numbers as input and Find the average of the numbers.

    Input : ,   Output :

  • Answer In: C  
     
    #include <stdio.h>

    int main(int argc, char * argv[])
    {
        int  sum = 0,i = 1,count = 0;
        if(argc == 1)
        {
             printf("Enter the number \n");
             exit(1);
        }
        count = argc - 1;
        while (i <= count )
        {
           sum += atoi (argv[i]) ;
           i++;
        }
          printf("Avg of the numbers.%d\n", sum/count);
    }
    Tags:

    TCS 

  • 318. Write a program in C using command line argument to input one number and print the square root of the number without using sqrt().

    Input : ,   Output :

  • Answer In: C  
     
    #include <stdio.h>
    #include <stdlib.h>

    int SqrtOfNumber (int);

    int main(int argc, char * argv[])
    {
        int  temp = 0;
        if(argc == 1 ||  argc > 2)
        {
             printf("Enter the number \n");
             exit(1);
        }
        temp = atoi (argv[1]) ;
        printf("Sqrt of the num. %d = %d\n", temp, SqrtOfNumber(temp));
    }

    int SqrtOfNumber (int num)
    {
        int i = 1, result = 1;

        if (num == 0 || num == 1)
           return num;

        while (result < num)
        {
           if (result == num)
              return result;
           i++;
           result = i*i;
        }
        return i-1;
    }
    Tags:

    TCS 

  • 319. Write a program in C using command line argument to print Your Name Using Command Line Argument.

    Input : ,   Output :

  • Answer In: C  
     
    #include<stdio.h>
    int main(int argc, char * argv[])
    {
          int i;
          if(argc==1)
          {
                printf("You need to enter your name");
                exit(1);
          }
          for(i=1;i<argc;i++)
          {
                printf("%s",argv[i]);
          }
          return 0;
    }
    Tags:

    TCS 

  • 320. Write a program in C using command line argument to input one number and print Sum of digits of number.
    

    Input : ,   Output :

  • Answer In: C  
     
    #include <stdio.h>
    #include <stdlib.h>

    int main(int argc, char * argv[])
    {
        long num, temp, digit, sum = 0;
        if(argc == 1 ||  argc > 2)
        {
             printf("Enter the number\n");
             exit(1);
        }
        num = atoi (argv[1]) ;
        temp = num;
        while (num > 0)
        {
            digit = num % 10;
            sum  = sum + digit;
            num /= 10;
        }
        printf("Sum of the digits of %ld = %ld\n", temp, sum);
    }
    Tags:

    TCS