A progress bar in C/C++

progressbar.cpp

#include <string>
#include <iostream>
#include <cstdlib>
using namespace std;

void printProgBar( int percent );

int main(int argc, char* argv[]) {
  int N = 100;
	
	for(int i = 0; i < N; i++) {
		float p = (i / (float) N) * (float) 100;
		printProgBar(p);
		//cout << p << endl;
		sleep(1.1);
	}
	printProgBar(100);
	cout << endl;
	return 0;
}

void printProgBar( int percent ) {
  string bar;

  for(int i = 0; i < 50; i++){
    if( i < (percent/2)){
      bar.replace(i,1,"=");
    }else if( i == (percent/2)){
      bar.replace(i,1,">");
    }else{
      bar.replace(i,1," ");
    }
  }

  cout<< "\r" "[" << bar << "] ";
  cout.width( 3 );
  cout<< percent << "%     " << std::flush;
}