用C语言程序从键盘输入high,计算并输出high以内最大的10个素数之和
时间: 2024-05-02 20:21:03 浏览: 19
```c
#include <stdio.h>
int is_prime(int num) {
if (num <= 1) {
return 0;
}
for (int i = 2; i * i <= num; i++) {
if (num % i == 0) {
return 0;
}
}
return 1;
}
int main() {
int high, count = 0, sum = 0, i = 2;
printf("请输入high的值:");
scanf("%d", &high);
while (count < 10 && i <= high) {
if (is_prime(i)) {
sum += i;
count++;
}
i++;
}
printf("high以内最大的10个素数之和为:%d\n", sum);
return 0;
}
```
相关问题
用C语言程序从键盘输入high,计算并输出high以内最大的10个素数之和用C语言程序从键盘输入high,计算并输出high以内最大的10个素数之和
#include <stdio.h>
#include <stdbool.h>
bool is_prime(int n) {
if (n < 2) {
return false;
}
for (int i = 2; i*i <= n; i++) {
if (n % i == 0) {
return false;
}
}
return true;
}
int main() {
int high, count = 0, sum = 0;
printf("请输入high的值:");
scanf("%d", &high);
for (int i = high; i >= 2; i--) {
if (is_prime(i)) {
count++;
sum += i;
if (count == 10) {
break;
}
}
}
printf("high以内最大的10个素数之和为:%d\n", sum);
return 0;
}
从键盘输入high,计算并输出high以内最大的10个素数之和。c语言
#include <stdio.h>
int is_prime(int num) {
if (num < 2) {
return 0;
}
for (int i = 2; i * i <= num; i++) {
if (num % i == 0) {
return 0;
}
}
return 1;
}
int main() {
int high;
printf("请输入high的值:");
scanf("%d", &high);
int count = 0;
long long sum = 0;
for (int i = high; i >= 2 && count < 10; i--) {
if (is_prime(i)) {
sum += i;
count++;
}
}
printf("high以内最大的10个素数之和为:%lld\n", sum);
return 0;
}