Files
hello-algo/ko/codes/c/utils/print_util.h
T
Yudong Jin 2f561d3d51 feat(ko): add the Korean online edition (#2006)
* feat(ko): add the complete Korean online edition

* Use UTF-8 for Python CI output on Windows

* Remove print-book promotion from the Korean site

* fix(ko): preserve emphasis before Korean particles
2026-10-29 03:46:43 +08:00

132 lines
2.7 KiB
C

/**
* File: print_util.h
* Created Time: 2022-12-21
* Author: MolDum ([email protected]), Reanon ([email protected])
*/
#ifndef PRINT_UTIL_H
#define PRINT_UTIL_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "list_node.h"
#include "tree_node.h"
#ifdef __cplusplus
extern "C" {
#endif
/* 배열을 출력한다 */
void printArray(int arr[], int size) {
if (arr == NULL || size == 0) {
printf("[]");
return;
}
printf("[");
for (int i = 0; i < size - 1; i++) {
printf("%d, ", arr[i]);
}
printf("%d]\n", arr[size - 1]);
}
/* 배열을 출력한다 */
void printArrayFloat(float arr[], int size) {
if (arr == NULL || size == 0) {
printf("[]");
return;
}
printf("[");
for (int i = 0; i < size - 1; i++) {
printf("%.2f, ", arr[i]);
}
printf("%.2f]\n", arr[size - 1]);
}
/* 연결 리스트 출력 */
void printLinkedList(ListNode *node) {
if (node == NULL) {
return;
}
while (node->next != NULL) {
printf("%d -> ", node->val);
node = node->next;
}
printf("%d\n", node->val);
}
typedef struct Trunk {
struct Trunk *prev;
char *str;
} Trunk;
Trunk *newTrunk(Trunk *prev, char *str) {
Trunk *trunk = (Trunk *)malloc(sizeof(Trunk));
trunk->prev = prev;
trunk->str = (char *)malloc(strlen(str) + 1);
snprintf(trunk->str, strlen(str) + 1, "%s", str);
return trunk;
}
void showTrunks(Trunk *trunk) {
if (trunk == NULL) {
return;
}
showTrunks(trunk->prev);
printf("%s", trunk->str);
}
/**
* 이진 트리 출력
* 이 트리 출력 코드는 TECHIE DELIGHT에서 가져왔다
* https://www.techiedelight.com/c-program-print-binary-tree/
*/
void printTreeHelper(TreeNode *node, Trunk *prev, bool isRight) {
if (node == NULL) {
return;
}
char *prev_str = " ";
Trunk *trunk = newTrunk(prev, prev_str);
printTreeHelper(node->right, trunk, true);
if (prev == NULL) {
trunk->str = "———";
} else if (isRight) {
trunk->str = "/———";
prev_str = " |";
} else {
trunk->str = "\\———";
prev->str = prev_str;
}
showTrunks(trunk);
printf("%d\n", node->val);
if (prev != NULL) {
prev->str = prev_str;
}
trunk->str = " |";
printTreeHelper(node->left, trunk, false);
}
/* 이진 트리 출력 */
void printTree(TreeNode *root) {
printTreeHelper(root, NULL, false);
}
/* 힙 출력 */
void printHeap(int arr[], int size) {
TreeNode *root;
printf("힙의 배열 표현:");
printArray(arr, size);
printf("힙의 트리 표현:\n");
root = arrayToTree(arr, size);
printTree(root);
}
#ifdef __cplusplus
}
#endif
#endif // PRINT_UTIL_H