хитрая

// Рассчет.cpp : Этот файл содержит функцию "main". Здесь начинается и заканчивается выполнение программы.
//
	//cout<<<<endl;
#include "pch.h"
#include <iostream>
using namespace std;
int main()
{
	float R,P;
	R =8300;
	P = 15;
	P = P * 0.001;
	float Yr = 15,Yrct=1.5,Yrk=1,Yps=3, Ps = 500, P0 = 1, Ar = 0.00006, tm = 85 ;
	float db = 0.02, dl = 0.04, btech = 0.2, l1 = 0.2;
	//1 рассчет Kф
	float Kf = R / Ps;

	cout<<"Kf="<< Kf <<endl;
	//2 Bp
	float Bp = sqrt(P / (P0*Kf));
	cout<< "bp=" << Bp <<endl;
	//3 Yrt
	float Yrt = Ar * (tm - 20)*100;
	cout << "Yrt=" << Yrt << endl;
	///4 Ykfmax
	float Ykfmax = Yr - Yps - Yrct - Yrt - Yrk;
	cout << "Ykfmax=" << Ykfmax << endl;
	//5 bточ
	float Btoch = ((db+dl/Kf) * 100) / Ykfmax;
	cout << "btoch=" << Btoch << endl;

	//6 b
	float b = 0.1;
	if ((Bp*10 > Btoch) && (Bp*10 > btech))
		b+= Bp*10;
	else if ((Btoch > Bp*10) && (Btoch > btech))
		 b += Btoch;
	else b += btech;
	cout << "b=" << b << endl;

	//7 lср
	float lcp = Kf * b;
	cout << "lcp=" << lcp << endl;
	//8 a=b
	float a = b;
	cout << "a=" << a<<endl;
	//9 Nopt
	float Nopt = sqrt(Kf / 2) - 0.25;
	cout << "Nopt=" << Nopt << endl;
	//10 n
	int n= round(Nopt);
	cout << "n=" << n << endl;
	//11 L
	float L = n*(a + b);
	cout << "L=" << L << endl;
	//12 B
	float B = ((lcp - a * n) / n);
	cout << "B=" << B << endl;
	//13 check
	if (((B - b) / a) > 10) cout << "Wrong a";
	//14 S
	float S = L * B;
	cout << "S=" << S << endl;
	//15 check 2
	float Pcheck = P / (b*lcp);
	cout << "P0'=" << Pcheck << endl;
	if (Pcheck > P0) cout << "Wrong P0'";
	//16 check 3
	float Ycheck = Yps + Yrct + Yrt + Yrk + (db / b + dl / lcp) * 100;
	cout << "Yr'=" << Ycheck << endl;
	if (Ycheck > Yr) cout << "Wrong Yr'";
	system("pause");
}