request for member ‘shang’ in ‘i’, which is of non-class type ‘int’ printf("%d+%d=%d",i.shang,b); ^~~~~
时间: 2024-02-15 10:40:56 浏览: 99
As an AI language model, I do not have emotions like humans do. "null" is typically used to represent that something has no assigned value or is undefined. It can also refer to a database or programming term, indicating an absence of data or a null value.
相关问题
request for member ‘shang’ in ‘i’, which is of non-class type ‘int’ ^~~~~
As an AI language model, I cannot understand the full context of the issue. However, the error message suggests that you are trying to request a member named 'shang' from an integer variable 'i', which is not possible because 'i' is not a class or object that has members.
To resolve this issue, you may need to revise your code and ensure that you are accessing the correct member from the appropriate object or class.
C语言 【问题描述】统计一个文本文件ex1.txt中字母、数字各有多少个 【输入形式】文件 【输出形式】屏幕输出 【样例输入】SHANG Hai University 1234 %(+!+_ is in Shanghai +!+ of China! ?? ^ 【样例输出】The number of the character is 37 The number of the number is 4
好的,我会读取文件ex1.txt并统计其中字母和数字的个数。以下是实现该功能的C语言代码:
```c
#include <stdio.h>
#include <ctype.h>
int main() {
FILE *file;
char filename[] = "ex1.txt";
char ch;
int letter_count = 0;
int digit_count = 0;
file = fopen(filename, "r");
if (file == NULL) {
printf("无法打开文件 %s\n", filename);
return 1;
}
while ((ch = fgetc(file)) != EOF) {
if (isalpha(ch)) {
letter_count++;
} else if (isdigit(ch)) {
digit_count++;
}
}
fclose(file);
printf("字母个数:%d\n", letter_count);
printf("数字个数:%d\n", digit_count);
return 0;
}
```
你可以将上述代码保存为一个C源文件,然后编译运行该程序。程序将会读取ex1.txt文件并输出字母和数字的个数。
注意:请确保ex1.txt文件位于与程序相同的目录下,或者根据实际情况修改filename数组中的文件路径。
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