122 lines
4.3 KiB
C++
Executable File
122 lines
4.3 KiB
C++
Executable File
/*****************************************************************************
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* Copyright (C) 2022 Mingtian Shao shaomt@nudt.edu.cn *
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* *
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* This file is part of homework of Algorithm Design and Analysis. *
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* *
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* @file algorithm.cpp *
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* @brief test different algorithms *
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* *
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* @author Mingtian Shao *
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* @email shaomt@nudt.edu.cn *
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* @version 1.0 *
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* @date 2022-11-12 *
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* @license GNU General Public License (GPL) *
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* *
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*----------------------------------------------------------------------------*
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* Change History : *
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* <Date> | <Version> | <Author> | <Description> *
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*----------------------------------------------------------------------------*
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* 2022/11/12 | 1.0 | Mingtian Shao | Create file *
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*----------------------------------------------------------------------------*
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* *
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*****************************************************************************/
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#include <iostream>
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#include <ctime>
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#include <cstdlib>
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#include <stack>
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#include <string>
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#include <cstring>
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#include <fstream>
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#include "algorithm.h"
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#include "test.h"
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using namespace std;
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/**
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* @func PrintArray
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* @brief 输出指针数组
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* @param n: 数组长度
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* @param nums: 整型指针数组
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*
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* @return null
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*/
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void PrintArray(int n, int* nums)
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{
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for (int i = 0; i < n; i++)
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{
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cout << nums[i] << " ";
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}
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cout << endl;
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}
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/**
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* @func test_5
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* @brief 测试算法运行时间并输出每组测试用例的结果
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* @param data_file: 测试数据集文件
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* @param fun: 测试算法的实现函数，该函数有5个参数，故该测试函数名为test_5
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*
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* @return 算法的平均运行时间
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*/
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long double test_5(char* data_file, int (fun)(int, int, int*, int*, int*))
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{
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double sum_time = 0;
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clock_t start_time, end_time;
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ifstream fin(data_file);
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int result; //保存每个测试用例的最大价值
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int repeat; //记录测试数据组数
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// k: 生成数据的组数
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// n: 物品的种类（问题的规模）
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// w: 背包重量限制
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int k, n, w;
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fin >> k >> n >> w;
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repeat = k;
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cout << "数据集组数：" << k << " , 物品种类：" << n << " , 背包容量限制： " << w << endl;
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int* weights = new int[n], * values = new int[n];
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int* solve = new int[n];
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while (k--) {
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for (int i = 0; i < n; i++) {
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fin >> weights[i];
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}
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for (int i = 0; i < n; i++) {
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fin >> values[i];
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solve[i] = 0;
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}
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cout << "weights:" << endl;
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PrintArray(n, weights);
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cout << "values:" << endl;
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PrintArray(n, values);
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// 仅记录算法运行时间
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start_time = clock();
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result = fun(n, w, weights, values, solve);
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end_time = clock();
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sum_time += (double)(end_time - start_time) / CLOCKS_PER_SEC;
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cout << "max value is " << result << endl;
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cout << "the solution is "; PrintArray(n, solve);
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}
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delete[] weights;
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delete[] values;
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delete[] solve;
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long double average_time = sum_time / repeat;
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return average_time;
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}
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/**
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* @func test_7
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* @brief 主要用于记录算法fun的关键操作次数
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* @param data_file: 测试数据集文件
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* @param fun: 测试算法的实现函数，该函数有7个参数，故该测试函数名为test_7
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*
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* @return 算法的平均运行时间，该值仅供参考，因为插桩代码影响了算法运行效率
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*/
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long double test_7(char* data_file, int (fun)(int, int, int*, int*, int*, int&, int&))
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{
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/*
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* coding
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*/
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} |