융합 트리는 w비트 정수에 대한 연관 배열을 구현하는 트리 데이터 구조입니다. 이것은 입력으로 주어진 이진 트리에 6비트 정수 배열을 생성하는 퓨전 트리를 구현하는 C++ 프로그램입니다.
알고리즘
필수 기능 및 입력 -
Begin Take the no of elements of the tree and take the elements. Create a structure FusionTree to declare variables. Create a function init() for creating the nodes. Create a function traverse() to traverse the tree. Create a function sort() to sort the nodes of the tree. Create a function split_child() to split the nodes. Create a function insert() to insert the nodes into the tree. Create a function main(), to call insert() to create the fusion tree and then call the function traverse to display the result. End
예시 코드
#include<iostream> using namespace std; struct FusionTree//declaration of nodes { int *d; FusionTree **child_ptr; bool l; int n; }*r = NULL, *np = NULL, *x = NULL; FusionTree* init()//cretae new node { int i; np = new FusionTree; np->d = new int[6]; np->child_ptr = new FusionTree *[7]; np->l = true; np->n = 0; for (i = 0; i < 7; i++) { np->child_ptr[i] = NULL; } return np; } void traverse(FusionTree *p)//traverse the tree { cout<<endl; int i; for (i = 0; i < p->n; i++) { if (p->l == false) { traverse(p->child_ptr[i]); } cout << " " << p->d[i]; } if (p->l == false) { traverse(p->child_ptr[i]); } cout<<endl; } void sort(int *p, int n)//sort the tree { int i, j, t; for (i = 0; i < n; i++) { for (j = i; j <= n; j++) { if (p[i] >p[j]) { t = p[i]; p[i] = p[j]; p[j] = t; } } } } int split_child(FusionTree *x, int i)//split the child { int j, mid; FusionTree *np1, *np3, *y; np3 = init();// initialize new node np3->l = true; if (i == -1) { mid = x->d[2];//calculate mid x->d[2] = 0; x->n--; np1 = init(); np1->l = false; x->l = true; for (j = 3; j < 6; j++) { np3->d[j - 3] = x->d[j]; np3->child_ptr[j - 3] = x->child_ptr[j]; np3->n++; x->d[j] = 0; x->n--; } for (j = 0; j < 6; j++) { x->child_ptr[j] = NULL; } np1->d[0] = mid; np1->child_ptr[np1->n] = x; np1->child_ptr[np1->n + 1] = np3; np1->n++; r = np1; } else { y = x->child_ptr[i]; mid = y->d[2]; y->d[2] = 0; y->n--; for (j = 3; j <6 ; j++) { np3->d[j - 3] = y->d[j]; np3->n++; y->d[j] = 0; y->n--; } x->child_ptr[i + 1] = y; x->child_ptr[i + 1] = np3; } return mid; } void insert(int a) { int i, t; x = r; if (x == NULL) { r = init(); x = r; } else { if (x->l== true && x->n == 6) { t = split_child(x, -1); x = r; for (i = 0; i < (x->n); i++) { if ((a >x->d[i]) && (a < x->d[i + 1])) { i++; break; } else if (a < x->d[0]) { break; } else { continue; } } x = x->child_ptr[i]; } else { while (x->l == false) { for (i = 0; i < (x->n); i++) { if ((a >x->d[i]) && (a < x->d[i + 1])) { i++; break; } else if (a < x->d[0]) { break; } else { continue; } } if ((x->child_ptr[i])->n == 6) { t = split_child(x, i); x->d[x->n] = t; x->n++; continue; } else { x = x->child_ptr[i]; } } } } x->d[x->n] = a; sort(x->d, x->n); x->n++; } int main() { int i, n, t; cout<<"enter the no of elements to be inserted\n"; cin>>n; for(i = 0; i < n; i++) { cout<<"enter the element\n"; cin>>t; insert(t); } cout<<"traversal of constructed fusion tree\n"; traverse(r); }
출력
enter the no of elements to be inserted 7 enter the element 10 enter the element 20 enter the element 30 enter the element 40 enter the element 50 enter the element 60 enter the element 70 traversal of constructed fusion tree 10 20 30 40 50 60 70