用C语言编写代码输出1到100的和
时间: 2024-02-06 12:09:04 浏览: 25
下面是一个用C语言编写的输出1到100的和的代码:
```c
#include <stdio.h>
int main() {
int i, sum = 0;
for (i = 1; i <= 100; i++) {
sum += i;
}
printf("The sum of 1 to 100 is %d\n", sum);
return 0;
}
```
运行结果:
```
The sum of 1 to 100 is 5050
```
相关问题
用C语言编写代码输出100以内的质数
以下是用C语言编写的输出100以内质数的代码:
```c
#include <stdio.h>
int main() {
int i, j, is_prime;
printf("Prime numbers between 1 and 100:\n");
// Check every number between 2 and 100
for (i = 2; i <= 100; i++) {
is_prime = 1; // Assume the number is prime
// Check if the number is divisible by any number between 2 and itself
for (j = 2; j < i; j++) {
if (i % j == 0) {
is_prime = 0; // Number is not prime
break;
}
}
// If the number is prime, print it
if (is_prime) {
printf("%d ", i);
}
}
return 0;
}
```
运行以上代码,会输出如下内容:
```
Prime numbers between 1 and 100:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
```
c语言编写代码计算并输出1到20整数的和
下面是C语言编写的代码,可以计算并输出1到20整数的和:
```c
#include <stdio.h>
int main() {
int sum = 0;
for (int i = 1; i <= 20; i++) {
sum += i;
}
printf("1到20整数的和为:%d\n", sum);
return 0;
}
```
运行结果为:
```
1到20整数的和为:210
```