initial_value_euler.cpp

# include <stdio.h>
double f(double x,double y)
{
    return (x+y);
}
int main()
{
    double x0=0;
    double y0=1;
    double h=0.1;
    int i=0;
    int n=10;
    for(i=0;i<n;i++)
    {
        y0 = y0 + h * f(x0,y0);
        x0+=h;
    }
    printf("%lf",y0);
    return 0;
}