This set of MCQ(multiple choice questions) focuses on the An Introduction to Programming Through C++ NPTEL 2022 Week 11 Answers.
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Week 0: Assignment answers
Week 1: Introduction to computers using graphics.
Programming Assignment
Week 2: Basic data types.
Programming Assignment
Week 3: Statements of C++ for conditional execution and looping.
Programming Assignment
Week 4: Statements of C++ for conditional execution and looping.
Programming Assignment
Week 5: Functions.
Programming Assignment
Week 6: Recursive algorithms and recursive drawings.
Programming Assignment
Week 7: Arrays.
Programming Assignment
Week 8: Multidimensional arrays.
Programming Assignment
Week 9: Structures. Pointers with structures.
Programming Assignment
Week 10: Dynamic memory allocation.
Programming Assignment
Week 11-12: Use of the standard library in designing programs.
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An Introduction to Programming Through C++ NPTEL 2022 Week 11 Assignment Answers
Q1. What’s printed by the following code fragment?
set<int> s;
s.insert(100);
s.insert(25);
for(auto e : s) cout << e
Answer: 25100
Q2. What is printed by the following code
map<int,int> m;
m[50] = 24;
m[3] = 77;
for (auto e : m) cout << e.first << e.second;
Answer: 3775024
Q3. Suppose during a certain execution, 5 reallocations happened due to push backs on a certain vector. What is the minimum number of elements that the vector must have at the end of the execution?
Answer: 65
Q4. How many copying operations (overhead) must have happened during the execution?
Answer: 124
Q5. Suppose at a certain time during execution a vector has 100 elements (i.e. there have been 100 pushbacks). How many more push backs can there be without causing a reallocation?
Answer: 28
Q6. Answer T if you think the following statement is true and F if false:
The total number of copying operations performed as a part of reallocation is less than twice the number of elements in the vector (i.e. the number of elements pushed back).
Answer: T
Q7. Answer T if you think the following statement is true and F if false:
The amount of memory allocated to a vector that is not in use to store elements is less than the amount of memory that is being used to store elements, i.e. the memory in use is more than the memory not in use.
Answer: F
Q8. What number is printed first?
Answer: 1
Q9. What number is printed second?
Answer: 2
Q10. I have information about which cities are in which countries. Using this information I want to write a program that answer questions of the form: (a) Is a city X in country Y. (b) Which cities are in country Y. What data structure is most convenient for representing the required information?
a) A map mapping each country to a vector containing cities in that country.
b) A map mapping each country to a set containing cities in that country.
c) A map mapping each city to the country in which it is present.
Answer: b)
An Introduction to Programming Through C++ NPTEL Week 11 Programming Assignment Answers
Programming Assignment 11.1
CODE:
Programming Assignment 11.2
CODE:
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