cpp/cs103/hw-pointers/sort2 Source

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Description
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Define a function <tt>sort2</tt> that takes two <tt>int</tt> pointers
as inputs. It should <b>sort</b> them so that the value pointed to by the
first argument is less
than or equal to the second.
<p>Hint: use the swap idiom. Also, note that the given code has a bug.

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Remarks
Comments, history, license, etc.

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Engine
Choices
json list of string, bool pairs
e.g. [["good", true], ["bad", false]]

Correct answer
Template / Reference solution

Template / Reference solution

#include <iostream>
using namespace std;

void sort2(int* a, int* b)
{
if (\[ REDACTED \show:a > b]\) {
\[
REDACTED
]\
}
}

int main() {
int x = 4, y = 5, p = 3, q = 9, m = 5, n = 2, u = 8, v = 1;
cout << "Before sort2(&x, &y), x is " << x << " and y is " << y << ". ";
sort2(&x, &y);
cout << "After x is " << x << " and y is " << y << endl;
cout << "Before sort2(&q, &p), q is " << q << " and p is " << p << ". ";
sort2(&q, &p);
cout << "After q is " << q << " and p is " << p << endl;
cout << "Before sort2(&m, &n), m is " << m << " and n is " << n << ". ";
sort2(&m, &n);
cout << "After m is " << m << " and n is " << n << endl;
cout << "Before sort2(&v, &u), v is " << v << " and u is " << u << ". ";
sort2(&v, &u);
cout << "After v is " << v << " and u is " << u << endl;
}

Java test suite
See manual

C++ test suite
json list of stdin/args tests
e.g. [{"stdin":"hi", "args":["4", "5"]}, {"stdin":"noargs"}]
to just run once with no input use [{}]

[
{}
]

C++ test suite
See manual

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json list of strings
e.g. ["for","while"]

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e.g. ["java.util.*"]

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e.g. ["DataStructure"]

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i.e., just a demo
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json list of flags
e.g. ["-Wno-unused-variable"]

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Remove default compiler flag(s)
json list of flags
see default_cppflags
e.g. ["-Wno-write-strings"]

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Property	Value
Description html markup shown to student	Define a function <tt>sort2</tt> that takes two <tt>int</tt> pointers as inputs. It should <b>sort</b> them so that the value pointed to by the first argument is less than or equal to the second. <p>Hint: use the swap idiom. Also, note that the given code has a bug.
Epilogue html markup shown when solved	remove
Public permissions	remove
Remarks Comments, history, license, etc.	remove
Engine
Choices json list of string, bool pairs e.g. `[["good", true], ["bad", false]]`
Correct answer
Template / Reference solution
Template / Reference solution	#include <iostream> using namespace std; void sort2(int* a, int* b) { if (\[ REDACTED \show:a > b]\) { \[ REDACTED ]\ } } int main() { int x = 4, y = 5, p = 3, q = 9, m = 5, n = 2, u = 8, v = 1; cout << "Before sort2(&x, &y), x is " << x << " and y is " << y << ". "; sort2(&x, &y); cout << "After x is " << x << " and y is " << y << endl; cout << "Before sort2(&q, &p), q is " << q << " and p is " << p << ". "; sort2(&q, &p); cout << "After q is " << q << " and p is " << p << endl; cout << "Before sort2(&m, &n), m is " << m << " and n is " << n << ". "; sort2(&m, &n); cout << "After m is " << m << " and n is " << n << endl; cout << "Before sort2(&v, &u), v is " << v << " and u is " << u << ". "; sort2(&v, &u); cout << "After v is " << v << " and u is " << u << endl; }
Java test suite See manual
C++ test suite json list of stdin/args tests e.g. `[{"stdin":"hi", "args":["4", "5"]}, {"stdin":"noargs"}]` to just run once with no input use `[{}]`	[ {} ]
C++ test suite See manual
Forbidden substrings json list of strings e.g. `["for","while"]`	remove
Solution visibility	remove
Java imports json list of importables e.g. `["java.util.*"]`	remove
Override Java classname else defaults to websheet name	remove
Dependent on other websheets? json list of websheet names in this folder e.g. `["DataStructure"]`	remove
Is example? i.e., just a demo	remove
Add compiler flag(s) json list of flags e.g. `["-Wno-unused-variable"]`	remove
Remove default compiler flag(s) json list of flags see default_cppflags e.g. `["-Wno-write-strings"]`	remove

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