C++程序设计语言习题.pdf
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Exercises
You cannot learn bicycling
from a correspondence course.
– anon
Exercises for Bjarne Stroustrup: The C++ Programming Language (4th Edition). Addison-Wesley
ISBN 978-0321563842.
Corrections, suggested improvements, and more exercises are welcome.
This version of the exercises is dated May 12, 2013.
X.1 Introduction
You can argue that programming is an art, a craft, a science, or even a branch of mathematics. In
any case, it inovolves some practical skills that cannot be learned simply by reading a book. The
skills have to be learned by trying to apply the principles and techniques learned from books, arti-
cles, lectures, etc.
This ‘‘appendix’’ contains exercises for the readers of TC++PL. They are sorted by chapter and
within a chapter roughly by difficulty. The exercises are mainly of the write-a-program variety.
Always write enough code for a solution to be compiled and run with at least a few test cases.
The exercises vary considerably in difficulty, so they are marked with an estimate of their diffi-
culty. The scale is exponential so that if a (∗1) exercise takes you ten minutes, a (∗2) might take an
hour, and a (∗3) might take a day. The time needed to write and test a program depends more on
your experience than on the exercise itself. A (∗1) exercise might take a day if you first have to get
acquainted with a new computer system in order to run it. On the other hand, a (∗5) exercise might
be done in an hour by someone who happens to have the right collection of programs handy. Many
of the exercises marked (∗1) and (∗2) can be thought of as similar to the drills that musicians, ath-
letes, and learners of a new natural language do to prevent unfamiliarity with simple subtasks from
impeding the performance of more challenging tasks. They are not intellectual challenges in their
own right.
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