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radixSort.cpp
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127 lines (103 loc) · 2.49 KB
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#include <iostream>
#include <string>
using namespace std ;
class queue{
public : int front = 0 ;
int rear = -1 ;
int arr[10] ;
int size ;
int filled = 0 ;
queue(){
size = 10 ;
}
void enqueue(int x){
if(filled == size){
cout << "Queue exced the size " <<endl;
}
else{
if(rear==size-1){
rear = 0 ;
arr[rear] = x ;
}else
arr[++rear] = x ;
++filled ;
}
}
int dequeue(){
if(filled == 0) {
cout << "Empty Queue" << endl;
return -1 ;
}else {
int rvalue = arr[front] ;
if(front == size-1){
front = 0 ;
filled-- ;
}
else{
front++ ;
filled-- ;
}
return rvalue ;
}
}
int returnSize(){
return size ;
}
bool isEmpty(){
if (filled == 0)
return true ;
else
return false ;
}
};
int getDigit(int a , int num){
int divider = 1 ;
--a ;
while(a--){
divider = divider * 10 ;
}
int digit = num / divider % 10 ;
return digit ;
}
int getMax(int a[]){
int largest = a[0] ;
for(int i=1 ; i<10 ; ++i){
if(a[i] > largest){
largest = a[i];
}
}
return largest ;
}
int lengthOfInt(int x){
int length = 0 ;
while(x!=0){
x /= 10 ;
++length ;
}
return length ;
}
void printArray(int a[] , int len){
for(int i=0; i<len ; ++i){
cout << a[i] << " , " ;
}
}
int main(){
int lengthOfArray = 10 ;
int a[10] = {458,4449,966,558,62454,244,145,28854,636,447} ;
int length = lengthOfInt(getMax(a)) ;
queue q[10] ;
for(int i=1 ; i<=length ; ++i){
for(int j=0 ; j<lengthOfArray ; ++j){
int k = getDigit(i,a[j]) ;
q[k].enqueue(a[j]) ;
}
int j=0 ;
for(int k=0 ; k<10 ; ++k){
while(q[k].filled > 0) {
a[j++] = q[k].dequeue() ;
}
}
}
printArray(a , 10) ;
return 0 ;
}