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1466.c
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/*
autor: Virna Amaral
data: 03/12/2023
nome: Percuso em Árvore por Nível
*/
#include <stdio.h>
#include <stdlib.h>
typedef struct node{
struct node *esq;
struct node *dir;
int valor;
}node;
void inserir(node **arv, int n);
void imprimir(node *arv, int nivel);
void limpar_arvore(node **arv);
int main(){
int c;
scanf("%d", &c);
if(c <= 1000){
for (int k = 0; k < c; k++){
int n, var;
node *arv = NULL;
scanf("%d", &n);
if(n >= 1 && n <= 500){
int i = 0;
while(i < n){
scanf("%d", &var);
inserir(&arv, var);
i++;
}
i = 0;
int nivel = k+1;
printf("Case %d:\n", nivel);
while(i < n){
if (i == 0) {
printf("%d", arv->valor);
} else {
imprimir(arv, i);
}
i++;
}
printf("\n\n");
limpar_arvore(&arv);
}
}
}
return 0;
}
void inserir(node **arv, int n){
if(*arv == NULL){
*arv = (node *)malloc(sizeof(node));
if(*arv == NULL){
return;
}
(*arv)->esq = NULL;
(*arv)->dir = NULL;
(*arv)->valor = n;
}else{
if(n < (*arv)->valor){
inserir(&(*arv)->esq, n);
}
if(n > (*arv)->valor){
inserir(&(*arv)->dir, n);
}
}
}
void imprimir(node *arv, int nivel){
if(arv != NULL){
if(nivel == 0){
printf(" %d", arv->valor);
}else{
imprimir(arv->esq, nivel-1);
imprimir(arv->dir, nivel-1);
}
}
}
void limpar_arvore(node **arv){
if(*arv != NULL){
limpar_arvore(&(*arv)->esq);
limpar_arvore(&(*arv)->dir);
free(*arv);
*arv = NULL;
}
}