algzjh的博客

利用泰勒展开 π4=1−13+15−17+⋯π4=1−13+15−17+⋯\dfrac{\pi}{4}=1-\dfrac{1}{3}+\dfrac{1}{5}-\dfrac{1}{7}+\cdotsimport java.util.*;class Calc extends Thread{ private double a1;//首项 private double dif;...

#include "stdafx.h"#include <cstdio>#include <iostream>#include <omp.h>using namespace std;static long num_steps = 100000;#define NUM_THREADS 2void main(){ int i; dou...