c语言用3种循环分别计算 1+1/2+1/3+1/4+…+1/100的结果
时间: 2023-09-17 09:15:01 浏览: 249
1. for循环:
```c
#include <stdio.h>
int main() {
double sum = 0;
for (int i = 1; i <= 100; i++) {
sum += 1.0 / i;
}
printf("sum = %lf\n", sum);
return 0;
}
```
2. while循环:
```c
#include <stdio.h>
int main() {
double sum = 0;
int i = 1;
while (i <= 100) {
sum += 1.0 / i;
i++;
}
printf("sum = %lf\n", sum);
return 0;
}
```
3. do-while循环:
```c
#include <stdio.h>
int main() {
double sum = 0;
int i = 1;
do {
sum += 1.0 / i;
i++;
} while (i <= 100);
printf("sum = %lf\n", sum);
return 0;
}
```
相关问题
c语言 用3种循环分别计算1+2+3+…+100的结果
1. for循环
```c
#include <stdio.h>
int main() {
int sum = 0;
for (int i = 1; i <= 100; i++) {
sum += i;
}
printf("1 + 2 + 3 + ... + 100 = %d\n", sum);
return 0;
}
```
2. while循环
```c
#include <stdio.h>
int main() {
int i = 1, sum = 0;
while (i <= 100) {
sum += i;
i++;
}
printf("1 + 2 + 3 + ... + 100 = %d\n", sum);
return 0;
}
```
3. do-while循环
```c
#include <stdio.h>
int main() {
int i = 1, sum = 0;
do {
sum += i;
i++;
} while (i <= 100);
printf("1 + 2 + 3 + ... + 100 = %d\n", sum);
return 0;
}
```
用c语言,用3种循环分别计算 1+1/2+1/3+1/4+…+1/100。
1. for循环:
```c
#include <stdio.h>
int main() {
double sum = 0;
for (int i = 1; i <= 100; i++) {
sum += 1.0 / i;
}
printf("sum = %f", sum);
return 0;
}
```
2. while循环:
```c
#include <stdio.h>
int main() {
double sum = 0;
int i = 1;
while (i <= 100) {
sum += 1.0 / i;
i++;
}
printf("sum = %f", sum);
return 0;
}
```
3. do-while循环:
```c
#include <stdio.h>
int main() {
double sum = 0;
int i = 1;
do {
sum += 1.0 / i;
i++;
} while (i <= 100);
printf("sum = %f", sum);
return 0;
}
```
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