使用C ++,我使用冒泡排序(升序)进行排序,程序似乎正在运行,但是我将最终传递作为重复值。我是编程新手,并且无法弄清楚如何纠正这个问题。有什么建议?
我的代码是:
#include <iostream>
#include <Windows.h>
#include <iomanip>
#include <string>
using namespace std;
int main()
{
system("color 02");
HANDLE screen = GetStdHandle(STD_OUTPUT_HANDLE);
string hyphen;
const string progTitle = "Array Sorting Program";
const int numHyphens = 70;
hyphen.assign(numHyphens, '-');
const int size = 8;
int values[size] = { 21, 16, 23, 18, 17, 22, 20, 19 };
cout << hyphen << endl;
cout << " " << progTitle << endl;
cout << hyphen << endl;
cout << "\n Array 1 before sorting: \n" << endl;
printArray(values, size);
cin.ignore(cin.rdbuf()->in_avail());
cout << "\n Press 'Enter' to proceed to sorting Array 1\n";
cin.get();
cout << "\n Sorted ascending: \n" << endl;
sortArrayAscending(values, size);
cin.ignore(cin.rdbuf()->in_avail());
cout << "\n\n\n\nPress only the 'Enter' key to exit program: ";
cin.get();
}
void sortArrayAscending(int *array, int size)
{
const int regTextColor = 2;
const int swapTextColorChange = 4;
HANDLE screen = GetStdHandle(STD_OUTPUT_HANDLE);
int temp;
bool swapTookPlace;
int pass = 0;
do
{
swapTookPlace = false;
for (int count = 0; count < (size - 1); count++)
{
if (array[count] > array[count + 1])
{
swapTookPlace = true;
temp = array[count];
array[count] = array[count + 1];
array[count + 1] = temp;
}
}
cout << " Pass #" << (pass + 1) << ": ";
pass += 1;
printArray(&array[0], size);
} while (swapTookPlace);
}
void printArray(int *array, int size)
{
for (int count = 0; count < size; ++count)
cout << " " << array[count] << " ";
cout << endl;
}
对不起,我知道这不是一个性感问题,我只是希望能找到正确方向的一些指示。
答案 0 :(得分:0)
您的错误在City
逻辑中。
在第四次传递时,do{ ... } while(swapTookPlace)
为swapTookPlace
(因为确实发生了交换),因此您再次重复true
循环。
在第五次迭代中,没有发生交换(do while
),但您仍然打印出传递/数组。最简单的解决方法是将循环调整为:
swapTookPlace == false
输出:
do
{
swapTookPlace = false;
for (int count = 0; count < (size - 1); count++)
{
if(array[count] > array[count + 1])
{
swapTookPlace = true;
temp = array[count];
array[count] = array[count + 1];
array[count + 1] = temp;
}
}
if(swapTookPlace)
{
cout << " Pass #" << (pass + 1) << ": ";
pass += 1;
printArray(&array[0], size);
}
} while(swapTookPlace);