wfwei

# !/usr/bin/python
# -*- coding: utf-8 -*-

import math

def prf(tlist, plist, n):
    '''
    cal the (precision, recall, f-score)

    rlist:real values list

wfwei

import java.util.Scanner;


public class Main {
  
	static int sumTime(int[] arr, int upcost, int downcost, int stopcost){
		int up=arr[0], down=0, stop=arr.length;
		for(int i=1; i<arr.length; i++){
			int diff = arr[i] -arr[i-1];
			if(diff>0)