C++ code for

Determining the Depth of Flow for Most economical Rectangular Section

#include <iostream>

#include <math.h>

using namespace std;

int main() {

        float Q,S,c,b,y,a,r,t1,t2,t3;

        cout<<"Enter Discharge:" <<endl;

        cin>>Q;

        cout<<"Enter bed slope:"<<endl;

        cin>>S;

        cout<<"Enter Chezy's constant :"<<endl;

        cin>>c;

        b=2;  //in terms of y

        a=2; //in terms of y^2

    r=0.5; // in terms of y

    t3=r*S;

            float t4=sqrtf(t3);

cout<<t3;

    float        t5=a*c*t4; //y ^ 2.5

        t1=Q/t5;   //in terms of y raised to 5/2

        cout<<"\n"<<t1;

        t3=t1*t1;

        y=powf(t3,0.2);

        cout<<endl<<"Value of  y "<<y;

        t3=b*y;

        cout<<endl<<"Value of b "<<t3;

        return 0;

}