Formatting problem in latex , pseudo code

I am writing a report for my thesis in latex, most of the report is complete, one of the things left is to write up the pseudo-code for the algorithm used. The inserted picture is the pseudo-code I am trying to write. Main Pseudo Code example

I want a little help in writing up the for loops and figuring out the formatting, This is what I have done:

\documentclass[12pt]{article}
\usepackage{array}
\usepackage{multirow}
\usepackage{booktabs}
\usepackage{blindtext}
\usepackage{algorithm}
\usepackage{algpseudocode}
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage[intoc]{nomencl}
\usepackage[nottoc]{tocbibind}


\title{test}
\begin{document}

\maketitle


\begin{algorithm}
\caption{pseudo code}\label{alg:Pseudo code}
\begin{algorithmic}[1]
\State Define the maximum number of iteration.
\For {i = 1: N flies} 
\State x_i.fitness = f(x_i)   
    \EndFor  
\State x_s = argmax[f(x_i)], i \in {1,.....,N}
\State \For {i = 1:N and i \neq s}
        \State \For{d = 1:D dimensions}
        \If{U(0,1) < \triangle}
\end{algorithmic}
\end{algorithm}
\end{document}