{ "type": "code_options", "author": "csdn.net", "source": "solution.md", "exercise_id": "12524157eec6409ab1b5e93fc9141608", "keywords": "算法高阶,数论算法,素数的测试,算法问题选编", "title": "求素数", "desc": [ { "content": "\n求1-100内的素数", "language": "markdown" } ], "answer": [ { "content": "", "language": "java" } ], "prepared": [ [ { "content": "", "language": "java" } ], [ { "content": "", "language": "java" } ], [ { "content": "", "language": "java" } ] ], "template": { "content": "public static void main(String[] args){\n\t\tfor(int i=0;i<100;i++) {\n\t\t\tcheckPrime(i);\n\t\t}\n\t}\n\tprivate static void checkPrime(int x){\n\t\tboolean isPrime = true;\n\t\tif(x ==1 || x %2 ==0 && x !=2 )\n\t\t{\n\t\t\tisPrime = false;\n\t\t}\n\t\telse\n\t\t{\n\t\t\tfor( int i =3; i< Math.sqrt(x); i+=2)\n\t\t\t{\n\t\t\t\tif( x % i == 0)\n\t\t\t\t{\n\t\t\t\t\tisPrime = false;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif( isPrime)\n\t\t{\n\t\t\tSystem.out.println(x +\"是素数\");\n\t\t}\n\t\telse\n\t\t{\n\t\t\tSystem.out.println(x+ \"不是素数\");\n\t\t}\n\t}", "language": "java" }, "node_id": "dailycode-f0884125382f41c592c2346b73f34e30", "license": "csdn.net", "created_at": 1637894160, "topic_link": "https://bbs.csdn.net/topics/600470193" }