用穷举法找出2到50之间的质数(JAVA程序)
答案:3 悬赏:30 手机版
解决时间 2021-04-06 12:24
- 提问者网友:暮烟疏雨之际
- 2021-04-06 03:33
用穷举法找出2到50之间的质数(JAVA程序)
最佳答案
- 五星知识达人网友:煞尾
- 2021-04-06 05:01
代码如下,供参考
public class Test {
public static void main(String[] args) {
for (int i = 2; i <= 50; i++) {
if (check(i)) {
System.out.println(i);
}
}
}
private static boolean check(int num){
for (int i = 2; i < num; i++) {
if (num % i == 0) {
return false;
}
}
return true;
}
}
public class Test {
public static void main(String[] args) {
for (int i = 2; i <= 50; i++) {
if (check(i)) {
System.out.println(i);
}
}
}
private static boolean check(int num){
for (int i = 2; i < num; i++) {
if (num % i == 0) {
return false;
}
}
return true;
}
}
全部回答
- 1楼网友:人類模型
- 2021-04-06 06:39
for(int i = 2;i<=50;i++)
{
for(int j = 2;j if(i%j==0){
System.out.println(i);
continue;
}
}
}
{
for(int j = 2;j if(i%j==0){
System.out.println(i);
continue;
}
}
}
- 2楼网友:一袍清酒付
- 2021-04-06 06:20
int i, k;
boolean fal;
for (k = 2; k <= 50; k++) {
fal = true;
i = 2;
while (i <= k - 1 && fal) {
if (k % i == 0)
fal = false;
i++;
}
if (fal)
System.out.print(k + " ");
}
boolean fal;
for (k = 2; k <= 50; k++) {
fal = true;
i = 2;
while (i <= k - 1 && fal) {
if (k % i == 0)
fal = false;
i++;
}
if (fal)
System.out.print(k + " ");
}
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