Programming in Modern C++ | Week 2

3 months ago
Posted by PROGIEZ
7 minutes

Session: JAN-APR 2024

Course Name: Programming in Modern C++

Course Link: Click Here

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These are Nptel Programming in Modern C++ Assignment 2 Answers

Quiz

Q1. Consider the following program.
What will be the output?
a)15
b)14
c)62
d)Compilation error:call of overload “add(int,int)”is ambiguous

Answer: b)14

Q2. Consider the following program.
What will be the output (Consider right to left execution of the cout statement)?
a) 7 4
b) 8 4
c) 4 4
d) 7 6

Answer: a) 7 4

Q3. Consider the following code segment.
What will be the output?
a) 6 6 2 2
b) 6 8 4 2
с) 6 6 4 4
d) 8 6 4 4

Answer: с) 6 6 4 4

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These are Nptel Programming in Modern C++ Assignment 2 Answers

Q4. Consider the following code segment.
Fill in the blank at LINE-1 so that the program will print 1, 300.
a) int x3, int x4
b) int &x3, int* x4
c) int x3, int& x4
d) int x3, int* x4

Answer: d) int x3, int* x4

Q5. Consider the following code segment.
What will be the output?
a) 0
b) 10
c) Compilation error at LINE-1: ‘x’ declared as reference but not initialized
d) Compilation error at LINE-2: assignment of read only reference x

Answer: c), d)
c) Compilation error at LINE-1: ‘x’ declared as reference but not initialized
d) Compilation error at LINE-2: assignment of read only reference x

Q6. Consider the following code segment.
Fill in the blank at LINE-1 with appropriate option/s such that the output is: 11
a) const
b) volatile
c) static
d) inline

Answer: a) const

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These are Nptel Programming in Modern C++ Assignment 2 Answers

Q7. Consider the following code segment.
Fill in the blank at LINE-1 so that the program will print a.
a) (char*)malloc (10*sizeof (char))
b) new char(‘a’)
c) new char (97)
d) new char [97]

Answer: b), c)
b) new char(‘a’)
c) new char (97)

Q8. Consider the following code segment.
What will be the output(s) /error(s)?
a) 97
b) 120
c) Error at LINE-1: cannot convert int* to const char* in initialization
d) Error at LINE-2: assignment of read-only location *p

Answer: c), d)
c) Error at LINE-1: cannot convert int* to const char* in initialization
d) Error at LINE-2: assignment of read-only location *p

Q9. Consider the following function prototypes of overloaded function func().
Which functions will be invoked for the call func (2.1, 3.7f)?
а) 2, 3, 5
b) 2, 3
c) 2
d) 1, 2

Answer: b) 2, 3

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These are Nptel Programming in Modern C++ Assignment 2 Answers

Programming

Question 1

Consider the program below.
• Fill in the blank at LINE-1 with an appropriate statement.
The program must satisfy the given test cases.

Solution:

#include <iostream>

using namespace std;

#define THRICE(X) ((X) * 3)

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Question 2

Consider the following program.
• Fill in the blank at LINE-1 with appropriate formal arguments list.
• Fill in the blank at LINE-2 with the appropriate return statement.
The program must satisfy the sample input and output.

Solution:

#include <iostream>

using namespace std;

int sqr(int num) {
    return num * num;
}

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These are Nptel Programming in Modern C++ Assignment 2 Answers

Question 3

Consider the following program.
• Fill in the blanks at LINE-1 with appropriate function header
The program must satisfy the sample input and output.

Solution:

#include <iostream>
#include <string>
using namespace std;

void print(int a, int b) {
    int r = b + 10 * a;
    cout << r;
}

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These are Nptel Programming in Modern C++ Assignment 2 Answers

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Session: JULY-DEC 2023

Course Name: Programming in Modern C++

Course Link: Click Here

These are Nptel Programming in Modern C++ Assignment 2 Answers

Programming

Question 1
Consider the following program. Fill in the blanks as per the instructions given below:
• at LINE-1 with function header
such that it will satisfy the given test cases.

Solution:

#include <iostream>
using namespace std;

void print(int a, int b=0){

    int r = b + a;
    cout << r;
}

These are Nptel Programming in Modern C++ Assignment 2 Answers

Question 2
Consider the following program. Fill in the blanks as per the instructions given below.
• at LINE-1 with appropriate function parameter,
• at LINE-2 with appropriate statement
such that it will satisfy the given test cases.

Solution:

#include <iostream>
using namespace std;

int Fun(int& x) {

    x = x * x;
    return x;
}

These are Nptel Programming in Modern C++ Assignment 2 Answers

Question 3
Consider the following program. Fill in the blanks as per the instructions given below:
• at LINE-1 with appropriate function header,
• at LINE-2 with appropriate return statement
such that it will satisfy the given test cases.

Solution:

#include <iostream>
using namespace std;
struct point {
    int x, y;
};
point operator+(point &pt1, point &pt2){

    pt1.x += pt2.x;
    pt1.y += pt2.y;
    return pt1;
}

These are Nptel Programming in Modern C++ Assignment 2 Answers

More Weeks of Programming in Modern C++: Click here

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Session: JULY-DEC 2022

Course Name: Programming in Modern C++

Course Link: Click Here

These are Nptel Programming in Modern C++ Assignment 2 Answers

Quiz

Q1. Consider the following program.
What will be the output/error(s)?
a) y
b) z
c) Compilation Error : default argument missing for “char add (char, char, char)”
d) Compilation Error : call of overload “add (char, char)” is ambiguous

Answer: c, d

Q2. Consider the following code segment.
What will be the output?
a) 12
b) 25
c) 9
d) 16

Answer: a) 12

These are Nptel Programming in Modern C++ Assignment 2 Answers

Q3. Consider the following code segment.
Which line/s will give you an error?
a) LINE-1
b) LINE-2
c) LINE-3
d) LINE-4

Answer: b, d

Q4. Consider the following code segment.
What will be the output/error?
a) 36
b) 30
c) 25
d) Compilation Error : invalid initialization of non-const reference

Answer: d) Compilation Error : invalid initialization of non-const reference

These are Nptel Programming in Modern C++ Assignment 2 Answers

Q5. Consider the following code segment.
What will be the output?
a) 6 6 2 2
b) 6 6 7 7
c) 1 1 2 2
d) 1 1 7 7

Answer: a) 6 6 2 2

Q6. Consider the following code segment.
Choose the appropriate option to fill in the blanks at LINE-1, such that the output of the code would be : 300 20000.
a) int n3, int* n4
b) int& n3, int n4
c) int n3, int* n4
d) int& n3, int& n4

Answer: b) int& n3, int n4

These are Nptel Programming in Modern C++ Assignment 2 Answers

Q7. Consider the following code segment.
What will be the output/error?
a) < garbage value >
b) 5
c) Compilation Error at LINE-1 : uninitialized const ‘ptr’
d) Compilation Error at LINE-2 : assignment of read-only variable ‘ptr’

Answer: c, d

Q8. Consider the following code segment.
What will be the output/error?
a) 5
b) 10
c) 5
10
d) Compilation error at LINE-2 : ambiguating new declaration of ‘int fun (int)’

Answer: d) Compilation error at LINE-2 : ambiguating new declaration of ‘int fun (int)’

These are Nptel Programming in Modern C++ Assignment 2 Answers

Q9. Consider the following code segment.
Fill in the blank at LINE-1 such that the program will print 5 + i3
a) complex operator+(complex &c1, complex &c2)
b) complex operator+(const complex &c1, const complex &c2)
c) operator+(complex &c1, complex &c2)
d) complex +(complex &c1, complex &c2)

Answer: a) complex operator+(complex &c1, complex &c2)

These are Nptel Programming in Modern C++ Assignment 2 Answers

Assignment Questions

Question 1

Consider the program below.
• Fill in the blank at LINE-1 to complete the function header.
The program must satisfy the given test cases.

Solution:

#include <iostream>
#include <string>
using namespace std;
void print(string a, string b="Any")
{ // LINE-1

These are Nptel Programming in Modern C++ Assignment 2 Answers

Question 2

Consider the following program.
• Fill in the blank at LINE-1 with the appropriate parameter,
• Fill in the blank at LINE-2 with the appropriate return statement
The program must satisfy the sample input and output.

Solution:

#include <iostream>
using namespace std;
int Fun(int a){
// LINE-1

  return a*a;
// LINE-2
}

These are Nptel Programming in Modern C++ Assignment 2 Answers

Question 3

Consider the program below.
• Fill in the blank at LINE-1 to complete the function header
• Fill in the blank at LINE-2 to complete the return statement
The program must satisfy the given test cases.

Solution:

point operator+( point& pt, int& t) { //LINE-1
pt.x += t;
pt.y -= t;
return pt; //LINE-2
}

These are Nptel Programming in Modern C++ Assignment 1 Answers

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Nptel Programming in Modern C++ Assignment 2 Answers
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