Re: [情報] 請用(有點慢了)
不行啦~
騙人啦~
人家不依!!
※ 引述《suemincheung (銘銘)》之銘言:
: #include<iostream>
: #include<time.h>
: #include<cmath>
: using namespace std;
: double Uni_ran()
: {
: return (1.0+rand())/32769.0;
: }
: double Ber_ran(double p)
: {
: double U=Uni_ran();
: if(U<p)
: {return 1.0;
: }else{return 0.0;
: }
: }
: double Bin_ran(double n,double P)
: {
: double x=0.0;
: for(double j=0;j<n;j++)
: {
: x=x+Ber_ran(P);
: }
: return x;
: }
: double Pos_ran(double L)
: {
: return Bin_ran(300,L/300);
: }
: int main()
: {
: srand((unsigned)time(NULL));
: cout.setf(ios::fixed);
: cout.precision(1);
: for(int i=0;i<100;i++)
: {
: cout<<Pos_ran(5)<<" ";
: }
: cin.get();
: return 0;
: }
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.136.162.42
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