простые

// 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 = 0.0001;
    P = 1;
    P = P * 0.001;
    float Yr = 1,Yrct=1.5,Yrk=1,Yps=3, Ps = 500, P0 = 1, Ar = 0.00006, tm = 125  ;
    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 l
    float l = Kf * B;
    cout << "l=" << l << endl;

    // 8 l0
    float l0 = l + 2 * l1;
    cout << "l0=" << l0 << endl;
    //9 S
    float S = l0*B;
    cout << "S=" << S << endl;
    //10 P0'
    float P0t = P / (B*l / 100);
    cout << "P0t=" << P0t << endl;
    if (P0t < P0) cout << "Ok";
    else cout << "No, fP0<P0t";
    cout << "=" << endl;
    //11 Yr'
    float Yrsht = Yps + Yrct + Yrt + Yrk + (db / B + dl / l) * 100;
    cout << "Yrsht=" << Yrsht << endl;
    if (Yrsht < Yr) cout << "Ok";
    else cout << "No, Yrt>Yr";
    cout << endl;




    system("pause");
}