Write the function SwapEnds which swaps the first and last element in the given array. Return the modified array. arrays.cpp
Write the function SwapEnds which swaps the first and last element in the given array. Return the modified array. arrays.cpp
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter7: Arrays
Section: Chapter Questions
Problem 1PP: (Statistics) a. Write a C++ program that reads a list of double-precision grades from the keyboard...
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![Write the function SwapEnds which swaps the first and last element in the given array. Return the
modified array.
arrays.cpp
1
#include <cstddef> // sizet
double* swapEnds(. .
size_t len)
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{
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return a;
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Tester.cpp
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#include <iostream>
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using namespace std;
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#include "arrays.h"
int main()
{
double al[] = {13.85,12.75,13.03,14.91,5.01};
auto lenl = sizeof(al) / sizeof(al[0]);
print("before al->", al, len1);
print("after al: ", swapEnds(al, len1), len1);
cout « "Expected: [5.01, 12.75, 13.03, 14.91, 13.85]" < endl;
cout « endl;
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double a2[] = {6.98,3.98,5.40,6.12,3.97};
auto len2 = sizeof(a2) / sizeof(a2[0]);
print("before a2->", a2, len2);
print("after a2: ", swapEnds(a2, len2), len2);
cout « "Expected: [3.97, 3.98, 5.40, 6.12, 6.98]" « endl;
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Transcribed Image Text:Write the function SwapEnds which swaps the first and last element in the given array. Return the
modified array.
arrays.cpp
1
#include <cstddef> // sizet
double* swapEnds(. .
size_t len)
3
{
4
7
return a;
9
10
11
Tester.cpp
1
#include <iostream>
2
using namespace std;
3
#include "arrays.h"
int main()
{
double al[] = {13.85,12.75,13.03,14.91,5.01};
auto lenl = sizeof(al) / sizeof(al[0]);
print("before al->", al, len1);
print("after al: ", swapEnds(al, len1), len1);
cout « "Expected: [5.01, 12.75, 13.03, 14.91, 13.85]" < endl;
cout « endl;
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double a2[] = {6.98,3.98,5.40,6.12,3.97};
auto len2 = sizeof(a2) / sizeof(a2[0]);
print("before a2->", a2, len2);
print("after a2: ", swapEnds(a2, len2), len2);
cout « "Expected: [3.97, 3.98, 5.40, 6.12, 6.98]" « endl;
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CodeCheck
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