WEEK: 8 PROGRAM 3 AND PROGRAM 4 NPTEL Problem Solving through Programming in C (Jan 27) 2020 solutions

PROBLEM SOLVING THROUGH PROGRAMMING IN C.

By Prof. ANUPAM BASU


WEEK 8:PROGRAM 3:

Write a C Program to print Binary Equivalent of an Integer using Recursion

Sample Test Cases
Input Output
Test Case 1
10
The binary equivalent of 10 is 1010
Test Case 2
257

The binary equivalent of 257 is 100000001

 int binary_conversion(int num)
{
    if (num == 0)
    {
        return 0;
    }
    else
    {
        return (num % 2) + 10 * binary_conversion(num / 2);
    }
}

WEEK 8:PROGRAM 4:

Write a C Program to reverse a given word using function. e.g. INDIA should be printed as  AIDNI

Sample Test Cases
Input Output
Test Case 1
computer
The string after reversing is: retupmoc
Test Case 2
NPTEL

The string after reversing is: LETPN

int a=strlen(str1);

reverse(str1,0,a);
return 0;
}


   void reverse(char str1[], int index, int size)
{
  char str2[20];int y=0;
     for(int i=size-1;i>=0;i--)
     {
       str2[y]=str1[i];
       y++;
     }
    str2[y]='\0';
        printf("The string after reversing is: %s\n",str2); 
    
}

Week-8 :Program-05

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