十进制转8进制c语言
时间: 2023-09-16 07:14:40 浏览: 324
在C语言中,可以使用循环和取模运算符来将十进制数转换为八进制数。以下是一个示例代码:
```c
#include <stdio.h>
int main() {
int decimal_num, octal_num = 0, i = 1;
printf("请输入一个十进制数: ");
scanf("%d", &decimal_num);
while (decimal_num != 0) {
octal_num += (decimal_num % 8) * i;
decimal_num /= 8;
i *= 10;
}
printf("转换后的八进制数为: %d\n", octal_num);
return 0;
}
```
这段代码首先要求用户输入一个十进制数,然后使用循环和取模运算符将其转换为八进制数。在每次循环中,我们将十进制数对8取模,得到余数,并将其乘以相应的权重(10的幂),然后将十进制数除以8。最后,我们将所有的余数相加,得到转换后的八进制数。请注意,这里使用的是整数类型,因此输出的八进制数也是整数形式。
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