使用c++语言生成一定范围的数组:
#ifndef INC_03_SELECTION_SORT_GENERATE_TEST_CASES_SORTTESTHELPER_H #define INC_03_SELECTION_SORT_GENERATE_TEST_CASES_SORTTESTHELPER_H #include <iostream> #include <ctime> #include <cassert> using namespace std; namespace SortTestHelper { // 生成有n个元素的随机数组,每个元素的随机范围为[rangeL, rangeR] int *generateRandomArray(int n, int rangeL, int rangeR) { assert(rangeL <= rangeR); int *arr = new int[n]; srand(time(NULL)); for (int i = 0; i < n; i++) arr[i] = rand() % (rangeR - rangeL + 1) + rangeL; return arr; } template<typename T> void printArray(T arr[], int n) { for (int i = 0; i < n; i++) cout << arr[i] << " "; cout << endl; return; } }; #endif //INC_03_SELECTION_SORT_GENERATE_TEST_CASES_SORTTESTHELPER_H测试代码:
int main() { // 测试排序算法 int N = 10000; int *arr = SortTestHelper::generateRandomArray(N,0,100000); //在这里调用排序方法进行测试 // 打印 SortTestHelper::printArray(arr,N); delete[] arr; return 0; }
转载于:https://www.cnblogs.com/lzb0803/p/9043121.html
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