D. Powerful array time limit per test seconds memory limit per test megabytes input standard input output standard output An array of positive integers a1, a2, ..., an ..., ar, ≤ l ≤ r ≤ n. For every positive integer s denote by Ks the number of occ…
利用Python计算π的值,并显示进度条 第一步:下载tqdm 第二步;编写代码 from math import * from tqdm import tqdm from time import * total,s,n,t=0.0,1,1.0,1.0 clock() while(fabs(t)>=1e-6): total+=t n+=2 s=-s t=s/n k=total*4 print("π值是{:.10f} 运行时间为{:.4f}秒".…
