19 | 39 | 29 | 40 | 50 |
Front | Rear |
19 | 39 | 29 | 40 | 50 |
Front | Rear |
19 | 39 | 29 | 40 | 5 |
Smaller | Greater |
19 | 39 | 29 | 40 | 5 |
Greater | Smaller |


19 | 29 | 39 | 5 | 40 |
Greater | Smaller |

19 | 29 | 5 | 39 | 40 |
Greater | Smaller |


5 | 19 | 29 | 39 | 40 |
C++ Program of Sorting A Queue (Data structures)
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#include<iostream> using namespace std; class queue { int data[200],front,rear,size; public: queue(int x) { front=-1; rear=-1; size=x; } void enqueue(int x) { if(is_empty()) { front++; rear++; data[rear]=x; } else if(is_full()) { cout<<"Queue is full "<<endl; } else { rear=(rear+1)%size; data[rear]=x; } } int dequeue() { if(is_empty()) { return 0; } else if (front==rear) { int a=data[front]; front=rear=-1; return a; } else {int a = data[front] ; front = (front+1)%size; return a; } } int is_empty() { if(front==-1) return 1; else return 0; } int is_full() { if((rear+1)%size==front) return 1; else return 0; } void print() { int a =front; do { cout<<data[a]<<" "; a = (a+1)%size ; } while(a!=(rear+1)%size); cout<<endl; } void sort() { int a , b , i=0 , j , check; int l = size ; while(l--) { if(is_empty()) break; a = dequeue() ; if(is_empty()) break; b = dequeue() ; j = size-i-1 ; while(j--) { if(a<b) { if(front!=0) { enqueue(a); a = dequeue(); } else break ; } else { if(front!=0) { enqueue(b); b = dequeue(); } else break ; } } if(a>b) { enqueue(b); enqueue(a); } else { enqueue(a); enqueue(b); } front = 0 ; rear = size-1; i++; } } }; int main() { int a,num; cout<<"Please Enter the number of elements : " ; cin>>num; queue q(num); cout<<"Please enter element in queue "<<endl; while(num--) { cin>>a; q.enqueue(a); } cout<<"Original Queue "<<endl; q.print(); q.sort(); cout<<"Sorted Queue"<<endl; q.print(); return 0; } |
