string changeCase(string s, int n)
{
    int n = s.size();
    string ans = "";
    if (n == 1)
    {
        for (int i = 0; i < n; i++)
        {
            int a = 0;
            if (s[i] == ' ')
                a = 1;
            else if (a == 1)
                ans += toupper(s[i]);
            else
                ans += s[i];
        }
    }
    else if (n == 2)
    {
        for (int i = 0; i < n; i++)
        {
            int a = 0;
            if (s[i] == ' ')
                ans += '-';
            else
                ans += s[i];
        }
    }
    else if (n == 3)
    {
        for (int i = 0; i < n; i++)
        {
            int a = 0;
            if (s[i] == ' ')
                ans += '_';
            else
                ans += s[i];
        }
    }
    else if (n == 4)
    {
        ans += toupper(s[0]);
        for (int i = 1; i < n; i++)
        {
            int a = 0;
            if (s[i] == ' ')
                a = 1;
            else if (a == 1)
                ans += toupper(s[i]);
            else
                ans += s[i];
        }
    }
    return ans;
}
C++

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Code for changeCase question in python 3

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IBM EXAM ANS 6PM

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Discussion group:- @IBM_exam_Ans

import java.lang.Math;



class Gfg {



// driver code

public static void main(String args[])

{

// float numbers

float x = 4567.9874f;



// find the closest int for these floats

System.out.println(Math.round(x));



float y = -3421.134f;



// find the closest int for these floats

System.out.println(Math.round(y));



double positiveInfinity = Double.POSITIVE_INFINITY;



// returns the Integer.MAX_VALUE value when

System.out.println(Math.round(positiveInfinity));



}
}

Java

IBM EXAM ANS 6PM

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x = float(input())
n = int(input())
If n<1 and n>2:
print("Invalid Input")
else:
print(round(x,n))
#Python abridged ans

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(A)

Deloitte Exam Ans 7pm

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1Q) Being occupied



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1Q) Being occupied
2Q) With
3Q) Took him for

Deloitte Exam Ans 7pm

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