我想要通过fscanf扫描weightdata.txt中的字母和数字,分别存入到data和weight中,并打印,第一次运行成功,再尝试就开始报错,并且每次运行结果都不同。
多次运行结果如下:
代码如下:
#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<stdio.h>
using namespace std;
typedef struct
{
char data;
int weight;
int parent, lchild, rchild;
}HTNode, * HuffmanTree;//动态分配数组存储哈夫曼树
typedef char** HuffmanCode;//动态分配数组存储哈夫曼编码表
void load_weightdata_file(HTNode* hnode)
{
FILE* fp;
int i = 0;
fp = fopen("D://数据结构//课程实验//weightdata.txt", "r");
if (fp == NULL)
{
cout << "打开文件失败" << endl;
exit(OVERFLOW);
}
while (!feof(fp))
{
fscanf(fp, "%c", &((hnode+i)->data));
fscanf(fp, "%d", &((hnode+i)->weight));
fseek(fp,2, SEEK_CUR);
cout << (hnode+i)->data << " ";
cout << (hnode+i)->weight << endl;
i++;
if (i == 26)
break;
}
fclose(fp);
fp = NULL;
}
int main()
{
HTNode* HT;
HT = (HTNode*)malloc(sizeof(HTNode));
load_weightdata_file(HT);
return 0;
}
调试报错如下:
我查询资料也不知如何解决这种情况