{"componentChunkName":"component---src-templates-post-template-jsx","path":"/algo/posts/2021-03-19--002","result":{"data":{"site":{"siteMetadata":{"title":"Blog by Eunyoung","subtitle":"작업 기록 블로그","copyright":"© All rights reserved.","author":{"name":"EunYoung","twitter":"#"},"disqusShortname":"","url":"https://ssongey.github.io"}},"markdownRemark":{"id":"d0809bf1-962c-57e0-9ff6-667dbfef4d9b","html":"

문제

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public class QuadraticEquation {\n    public static Roots findRoots(double a, double b, double c) {\n        throw new UnsupportedOperationException(\"Waiting to be implemented.\");\n    }\n    \n    public static void main(String[] args) {\n        Roots roots = QuadraticEquation.findRoots(2, 10, 8);\n        System.out.println(\"Roots: \" + roots.x1 + \", \" + roots.x2);\n    }\n}\n\nclass Roots {\n    public final double x1, x2;\n\n    public Roots(double x1, double x2) {         \n        this.x1 = x1;\n        this.x2 = x2;\n    }\n}
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결과 및 풀이

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public Roots findRoots(double a, double b, double c) {\n    double sqrt = Math.sqrt(Math.pow(b, 2) - (4*a*c));\n\n    double x1 = (-b + sqrt) / (2*a);\n    double x2 = (-b - sqrt) / (2*a);\n    \n    return new Roots(x1, x2);\n}
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배웠다

\n","fields":{"tagSlugs":["/tags/arithmetic/"],"slug":"/algo/posts/2021-03-19--002"},"frontmatter":{"title":"[TESTDOME] Quadratic Equation","tags":["arithmetic"],"date":"2021-03-19","description":"arithmetic, 근의공식"}}},"pageContext":{"slug":"/algo/posts/2021-03-19--002"}},"staticQueryHashes":[]}