54 lines
1022 B
C++
54 lines
1022 B
C++
// 接收一个数值数组，实现数组中元素值从小到大排序
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// 例如：输入 3 2 1 5 4
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// 输出 1 2 3 4 5
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#include <iostream>
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using namespace std;
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void show(int arr[], int size)
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{
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int i = 0;
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while (i < size)
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{
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cout << arr[i] << "\t";
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i++;
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}
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cout << endl;
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}
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void sort(int arr[], int size)
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{
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for (int i = 0; i < size - 1; i++)
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{
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for (int j = 0; j < size - i - 1; j++)
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{
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if (arr[j] > arr[j + 1])
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{
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arr[j] = arr[j] ^ arr[j + 1];
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arr[j + 1] = arr[j] ^ arr[j + 1];
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arr[j] = arr[j] ^ arr[j + 1];
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}
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}
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}
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}
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int main()
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{
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// 从键盘输入 5 个数值
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int arr[5];
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for (int i = 0; i < 5; i++)
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{
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cout << "请输入第" << i + 1 << "个数：";
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cin >> arr[i];
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}
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cout << endl;
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cout << "排序前：" << endl;
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show(arr, 5);
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sort(arr, 5);
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cout << "排序后：" << endl;
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show(arr, 5);
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return 0;
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} |