#include <iostream>
#include <iomanip>
#include "genlib.h"
#include "strutils.h"
#include <fstream>
 
void Histogram(int*); //Function prototype
void print(string*);
 
int main(){	
	int arr[10] = {2,4,5,23,26,29,6,100,100,80};	//integer array inialization
	ofstream out("arr.txt");	//open file for write
	for (int i =0;i<10;i++){   
		out << arr[i] << ' ';   // store data in file
	}
 
	for(int i=0;i<10;i++){
		arr[i]=0;                  //initialization array with zero, so can get values from file
	}
	out.close();                   //close is must.
 
	ifstream in("arr.txt");	       //open file for read
	for(int i=0;;i++){
		in >> arr[i];              // reading data from file into memory  
		if(in.fail()) break;
	}
 
	Histogram(arr);                //call Histogram Function
 
	return 0;
}
 
void Histogram(int *arr){
	string str[11];                    // for storing number of "*"
	for(int i =0;i<10;i++){
		if(arr[i]>=0 && arr[i] <10){
			str[0]+="*";
		}else
		if(arr[i]>=10 && arr[i] <20){
			str[1]+="*";
		}else
		if(arr[i]>=20 && arr[i] <30){
			str[2]+="*";
		}else		
		if(arr[i]>=30 && arr[i] <40){
			str[3]+="*";
		}else		
		if(arr[i]>=40 && arr[i] <50){
			str[4]+="*";
		}else		
		if(arr[i]>=50 && arr[i] <60){
			str[5]+="*";
		}else
		if(arr[i]>=60 && arr[i] <70){
			str[6]+="*";
		}else		
		if(arr[i]>=70 && arr[i] <80){
			str[7]+="*";
		}else		
		if(arr[i]>=80 && arr[i] <90){
			str[8]+="*";
		}else		
		if(arr[i]>=90 && arr[i] <100){
			str[9]+="*";
		}else		
		if(arr[i]==100){
			str[10]+="*";
		}
	}
 
	print(str); // call print function for display formated data
}
 
void print(string *str){
	int i,j =0;                  // Display data 
	for (i=0;i<=100,j<11;i+=10,j++){
		cout << setw(8)<< IntegerToString(i) + " :" << str[j] << endl;
	}	
}