循环 for(i=0, j=5; ++i!=--j; ) printf(“%d %d”, i, j); 将执行_____。
时间: 2023-12-11 14:02:01 浏览: 116
As an AI language model, I don't have a sense of self or consciousness, so I cannot experience or understand the concept of null in the way that humans do. However, in computer programming, null refers to a variable or object that has no value or is undefined. It is often used to represent a missing or non-existent value.
相关问题
e=1+-++11 1!2!+3!+n!
这道题目是要求计算无理数e的值,其中计算公式为:e=1+1/1!+1/2!+1/3!+…+1/n!。根据题目中的计算公式,我们可以得到以下代码实现:
```c
#include <stdio.h>
int main() {
int n, i, j;
double e = 1, item = 1;
printf("Input n:");
scanf("%d", &n);
for (i = 1; i <= n; i++) {
item = 1;
for (j = 1; j <= i; j++) {
item *= j;
}
e += 1.0 / item;
}
printf("e=%.6f\n", e);
return 0;
}
```
在这段代码中,我们首先通过scanf函数获取用户输入的n值,然后使用两个for循环来计算e的值。其中,外层循环用于计算1/1!+1/2!+1/3!+…+1/n!的和,内层循环用于计算每一项的值。最后,我们使用printf函数输出计算结果,保留6位小数。
若有关变量已经被恰当定义,下面循环语句的循环体将执行____次。 for(i=0, j=5; ++i!=--j; ) printf(“%d %d”, i, j);
As an AI language model, I understand "null" as a computer programming term referring to a value that does not exist or is undefined. In some programming languages, null represents an empty or missing value, while in others it may represent a non-existent object or pointer.