Created
November 13, 2018 14:13
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插入排序 时间复杂度:O(n^2) 空间复杂度:O(1),原地排序 稳定排序: 插入排序比冒泡排序更受欢迎:冒泡排序中的数据交换需要3个赋值语句,插入排序中的数据移动操作1个操作
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// 插入排序 打扑克抓牌,左手是已经排好序的牌,右手是桌上的牌 | |
void inserSort(int *arr,int arrSize) { | |
for (int j = 1; j < arrSize; j++) { | |
int key = arr[j]; // 右手里拿的牌 | |
int i = j - 1; | |
while (i >= 0 && arr[i] > key) { // 左手已经排好序的牌和key进行比较 | |
arr[i+1] = arr[i]; | |
i--; | |
} | |
arr[i+1] = key; | |
} | |
} |
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