{"id":70920,"date":"2026-02-02T20:48:27","date_gmt":"2026-02-02T12:48:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/70920.html"},"modified":"2026-02-02T20:48:27","modified_gmt":"2026-02-02T12:48:27","slug":"%e6%96%b0%e5%8d%b7200%e5%88%86-%e8%bf%90%e8%be%93%e6%97%b6%e9%97%b4%ef%bc%88java-js-python-c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/70920.html","title":{"rendered":"(\u65b0\u5377,200\u5206)- \u8fd0\u8f93\u65f6\u95f4\uff08Java & JS & Python & C\uff09"},"content":{"rendered":"

(\u65b0\u5377,200\u5206)- \u8fd0\u8f93\u65f6\u95f4（Java & JS & Python & C）<\/h2>\n

\u9898\u76ee\u63cf\u8ff0<\/h5>\n

M（1 \u2264 M \u2264 20）\u8f86\u8f66\u9700\u8981\u5728\u4e00\u6761\u4e0d\u80fd\u8d85\u8f66\u7684\u5355\u884c\u9053\u5230\u8fbe\u7ec8\u70b9，\u8d77\u70b9\u5230\u7ec8\u70b9\u7684\u8ddd\u79bb\u4e3a N（1 \u2264 N\u00a0\u2264 400）\u3002<\/p>\n

\u901f\u5ea6\u5feb\u7684\u8f66\u8ffd\u4e0a\u524d\u8f66\u540e，\u53ea\u80fd\u4ee5\u524d\u8f66\u7684\u901f\u5ea6\u7ee7\u7eed\u884c\u9a76，\u6c42\u6700\u540e\u4e00\u8f86\u8f66\u5230\u8fbe\u76ee\u7684\u5730\u82b1\u8d39\u7684\u65f6\u95f4\u3002<\/p>\n<\/p>\n

\u6ce8：\u6bcf\u8f86\u8f66\u56fa\u5b9a\u95f4\u9694 1 \u5c0f\u65f6\u51fa\u53d1，\u6bd4\u5982\u7b2c\u4e00\u8f86\u8f66 0 \u65f6\u51fa\u53d1，\u7b2c\u4e8c\u8f86\u8f66 1 \u65f6\u51fa\u53d1，\u4f9d\u6b21\u7c7b\u63a8<\/p>\n<\/p>\n

\u8f93\u5165\u63cf\u8ff0<\/h5>\n

\u7b2c\u4e00\u884c\u4e24\u4e2a\u6570\u5b57：M N，\u5206\u522b\u4ee3\u8868\u8f66\u8f86\u6570\u548c\u5230\u7ec8\u70b9\u7684\u8ddd\u79bb，\u4ee5\u7a7a\u683c\u5206\u9694<\/p>\n

\u63a5\u4e0b\u6765 M \u884c，\u6bcf\u884c\u4e00\u4e2a\u6570\u5b57 S，\u4ee3\u8868\u6bcf\u8f86\u8f66\u7684\u901f\u5ea6\u30020 < S < 30<\/p>\n<\/p>\n

\u8f93\u51fa\u63cf\u8ff0<\/h5>\n

\u6700\u540e\u4e00\u8f86\u8f66\u5230\u8fbe\u76ee\u7684\u5730\u82b1\u8d39\u7684\u65f6\u95f4<\/p>\n<\/p>\n

\u7528\u4f8b<\/h5>\n\n\n\n\n\n
\u8f93\u5165<\/td>\n2 11
\n3
\n2<\/td>\n<\/tr>\n
\u8f93\u51fa<\/td>\n5.5<\/td>\n<\/tr>\n
\u8bf4\u660e<\/td>\n2\u8f86\u8f66，\u8ddd\u79bb11，0\u65f6\u51fa\u53d1\u7684\u8f66\u901f\u5ea6\u5feb，1\u65f6\u51fa\u53d1\u7684\u8f66，\u5230\u8fbe\u76ee\u7684\u5730\u82b1\u8d395.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u9898\u76ee\u89e3\u6790<\/h5>\n

\u9700\u8981\u6ce8\u610f\u7684\u5173\u952e\u70b9\u5728\u4e8e：\u5728\u5355\u884c\u9053\u4e0a，\u5feb\u901f\u8f66\u8f86\u53ef\u4ee5\u4e0e\u524d\u8f66\u5e76\u884c\u884c\u9a76\u3002\u56e0\u6b64\u9898\u76ee\u4e2d\u63d0\u5230\u7684"\u4e0d\u80fd\u8d85\u8f66\u7684\u5355\u884c\u9053"\u5b9e\u9645\u4e0a\u662f\u6307\u5355\u5411\u8f66\u9053，\u53ef\u80fd\u5305\u542b\u591a\u6761\u5e76\u884c\u8f66\u9053\u3002<\/p>\n

\u89e3\u9898\u601d\u8def\u5982\u4e0b：<\/p>\n

  • \n

    \u540e\u8f66\u884c\u9a76\u89c4\u5219：<\/p>\n

      \n
    • \u82e5\u540e\u8f66\u6b63\u5e38\u884c\u9a76\u65f6\u6bd4\u524d\u8f66\u66f4\u5feb\u5230\u8fbe\u7ec8\u70b9，\u5c06\u88ab\u524d\u8f66\u963b\u6321，\u6b64\u65f6\u540e\u8f66\u5230\u8fbe\u65f6\u95f4\u4e0e\u524d\u8f66\u76f8\u540c<\/li>\n
    • \u82e5\u540e\u8f66\u6b63\u5e38\u884c\u9a76\u65f6\u6bd4\u524d\u8f66\u66f4\u6162\u5230\u8fbe\u7ec8\u70b9，\u5219\u4e0d\u53d7\u524d\u8f66\u5f71\u54cd，\u6309\u81ea\u8eab\u901f\u5ea6\u5230\u8fbe<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u65f6\u95f4\u8ba1\u7b97：<\/p>\n

        \n
      • \u6240\u9700\u65f6\u95f4\u4e3a\u5230\u8fbe\u65f6\u523b\u51cf\u53bb\u51fa\u53d1\u65f6\u523b<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u8f93\u51fa\u683c\u5f0f：<\/p>\n

          \n
        • \u7ed3\u679c\u53ef\u80fd\u4e3a\u5c0f\u6570，\u9ed8\u8ba4\u4fdd\u75593\u4f4d\u6709\u6548\u6570\u5b57（\u56db\u820d\u4e94\u5165），\u5b9e\u9645\u8003\u8bd5\u65f6\u9700\u6839\u636e\u9898\u76ee\u8981\u6c42\u8c03\u6574<\/li>\n<\/ul>\n<\/li>\n
          JS\u7b97\u6cd5\u6e90\u7801<\/h5>\n

          const rl = require("readline").createInterface({ input: process.stdin });
          \nvar iter = rl[Symbol.asyncIterator]();
          \nconst readline = async () => (await iter.next()).value;<\/p>\n

          void (async function () {
          \n const [m, n] = (await readline()).split(" ").map(Number);<\/p>\n

          \/\/ \u8bb0\u5f55\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b，\u672c\u9898\u540e\u8f66\u4e0d\u53ef\u80fd\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u56e0\u6b64\u5982\u679c\u540e\u8f66\u5230\u8fbe\u65f6\u523b < \u524d\u8f66\u5230\u8fbe\u65f6\u523barrived，\u5219\u540e\u8f66\u4e5f\u662f\u6309\u7167\u524d\u8f66arrived\u65f6\u523b\u8fbe\u5230
          \n let arrived = 0;<\/p>\n

          for (let i = 0; i < m; i++) {
          \n \/\/ \u5f53\u524d\u8f66\u7684\u901f\u5ea6
          \n const speed = parseInt(await readline());
          \n \/\/ \u5f53\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b
          \n \/\/ * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u5219\u88ab\u524d\u8f66\u963b\u788d，\u6309\u524d\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n \/\/ * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u665a\u5230\u8fbe，\u5219\u4e0d\u88ab\u524d\u8f66\u963b\u788d，\u6309\u540e\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n arrived = Math.max(arrived, n \/ speed + i); \/\/ n*1.0\/speed\u662f\u884c\u9a76\u82b1\u8d39\u65f6\u95f4； i\u662f\u7b2ci\u8f86\u8f66\u7684\u51fa\u53d1\u65f6\u95f4
          \n }<\/p>\n

          \/\/ \u5230\u8fbe\u65f6\u523b – \u51fa\u53d1\u65f6\u523b = \u8def\u4e0a\u82b1\u8d39\u7684\u65f6\u95f4
          \n const cost = arrived – (m – 1);<\/p>\n

          console.log(Number(cost.toFixed(3))); \/\/ \u5982\u679c\u6709\u5c0f\u6570\u4f4d\u5219\u81f3\u591a\u4fdd\u75593\u4f4d
          \n})();<\/p>\n

          Java\u7b97\u6cd5\u6e90\u7801<\/h5>\n

          import java.text.NumberFormat;
          \nimport java.util.Scanner;<\/p>\n

          public class Main {
          \n public static void main(String[] args) {
          \n Scanner sc = new Scanner(System.in);<\/p>\n

          int m = sc.nextInt();
          \n int n = sc.nextInt();<\/p>\n

          \/\/ \u8bb0\u5f55\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b，\u672c\u9898\u540e\u8f66\u4e0d\u53ef\u80fd\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u56e0\u6b64\u5982\u679c\u540e\u8f66\u5230\u8fbe\u65f6\u523b < \u524d\u8f66\u5230\u8fbe\u65f6\u523barrived，\u5219\u540e\u8f66\u4e5f\u662f\u6309\u7167\u524d\u8f66arrived\u65f6\u523b\u8fbe\u5230
          \n double arrived = 0;<\/p>\n

          for (int i = 0; i < m; i++) {
          \n \/\/ \u5f53\u524d\u8f66\u7684\u901f\u5ea6
          \n double speed = sc.nextDouble();
          \n \/\/ \u5f53\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b
          \n \/\/ * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u5219\u88ab\u524d\u8f66\u963b\u788d，\u6309\u524d\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n \/\/ * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u665a\u5230\u8fbe，\u5219\u4e0d\u88ab\u524d\u8f66\u963b\u788d，\u6309\u540e\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n arrived = Math.max(arrived, n \/ speed + i); \/\/ n*1.0\/speed\u662f\u884c\u9a76\u82b1\u8d39\u65f6\u95f4； i\u662f\u7b2ci\u8f86\u8f66\u7684\u51fa\u53d1\u65f6\u95f4
          \n }<\/p>\n

          \/\/ \u5230\u8fbe\u65f6\u523b – \u51fa\u53d1\u65f6\u523b = \u8def\u4e0a\u82b1\u8d39\u7684\u65f6\u95f4
          \n double cost = arrived – (m – 1);<\/p>\n

          \/\/ \u683c\u5f0f\u5316\u6253\u5370\u5c0f\u6570
          \n NumberFormat nf = NumberFormat.getInstance();
          \n nf.setMinimumFractionDigits(0); \/\/ \u6ca1\u6709\u5c0f\u6570\u4f4d\u5219\u4e0d\u4fdd\u7559
          \n nf.setMaximumFractionDigits(3); \/\/ \u6709\u5c0f\u6570\u4f4d\u5219\u81f3\u591a\u4fdd\u75593\u4f4d<\/p>\n

          System.out.println(nf.format(cost));
          \n }
          \n}<\/p>\n

          Python\u7b97\u6cd5\u6e90\u7801<\/h5>\n

          # \u8f93\u5165\u83b7\u53d6
          \nm, n = map(int, input().split())<\/p>\n

          # \u8bb0\u5f55\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b，\u672c\u9898\u540e\u8f66\u4e0d\u53ef\u80fd\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u56e0\u6b64\u5982\u679c\u540e\u8f66\u5230\u8fbe\u65f6\u523b < \u524d\u8f66\u5230\u8fbe\u65f6\u523barrived，\u5219\u540e\u8f66\u4e5f\u662f\u6309\u7167\u524d\u8f66arrived\u65f6\u523b\u8fbe\u5230
          \narrived = 0<\/p>\n

          for i in range(m):
          \n # \u5f53\u524d\u8f66\u7684\u901f\u5ea6
          \n speed = int(input())
          \n # \u5f53\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b
          \n # * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u5219\u88ab\u524d\u8f66\u963b\u788d，\u6309\u524d\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n # * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u665a\u5230\u8fbe，\u5219\u4e0d\u88ab\u524d\u8f66\u963b\u788d，\u6309\u540e\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n arrived = max(arrived, n \/ speed + i) # n*1.0\/speed\u662f\u884c\u9a76\u82b1\u8d39\u65f6\u95f4； i\u662f\u7b2ci\u8f86\u8f66\u7684\u51fa\u53d1\u65f6\u95f4<\/p>\n

          # \u5230\u8fbe\u65f6\u523b – \u51fa\u53d1\u65f6\u523b = \u8def\u4e0a\u82b1\u8d39\u7684\u65f6\u95f4
          \ncost = arrived – (m – 1)<\/p>\n

          print("{:g}".format(round(cost, 3))) # \u5982\u679c\u6709\u5c0f\u6570\u4f4d\u5219\u81f3\u591a\u4fdd\u75593\u4f4d，:g \u7528\u4e8e\u53bb\u9664\u65e0\u6548\u5c0f\u6570\u4f4d<\/p>\n

          C\u7b97\u6cd5\u6e90\u7801<\/h5>\n

          #include <stdio.h>
          \n#include <math.h><\/p>\n

          int main() {
          \n int m, n;
          \n scanf("%d %d", &m, &n);<\/p>\n

          \/\/ \u8bb0\u5f55\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b，\u672c\u9898\u540e\u8f66\u4e0d\u53ef\u80fd\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u56e0\u6b64\u5982\u679c\u540e\u8f66\u5230\u8fbe\u65f6\u523b < \u524d\u8f66\u5230\u8fbe\u65f6\u523barrived，\u5219\u540e\u8f66\u4e5f\u662f\u6309\u7167\u524d\u8f66arrived\u65f6\u523b\u8fbe\u5230
          \n double arrived = 0;<\/p>\n

          for(int i=0; i<m; i++) {
          \n \/\/ \u5f53\u524d\u8f66\u7684\u901f\u5ea6
          \n double speed;
          \n scanf("%lf", &speed);<\/p>\n

          \/\/ \u5f53\u524d\u8f66\u5230\u8fbe\u7ec8\u70b9\u7684\u65f6\u523b
          \n \/\/ * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u65e9\u5230\u8fbe，\u5219\u88ab\u524d\u8f66\u963b\u788d，\u6309\u524d\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n \/\/ * \u5f53\u524d\u8f66\u5982\u679c\u6bd4\u524d\u8f66\u66f4\u665a\u5230\u8fbe，\u5219\u4e0d\u88ab\u524d\u8f66\u963b\u788d，\u6309\u540e\u8f66\u5230\u8fbe\u65f6\u95f4\u7b97
          \n arrived = fmax(arrived, n \/ speed + i); \/\/ n*1.0\/speed\u662f\u884c\u9a76\u82b1\u8d39\u65f6\u95f4； i\u662f\u7b2ci\u8f86\u8f66\u7684\u51fa\u53d1\u65f6\u95f4
          \n }<\/p>\n

          \/\/ \u5230\u8fbe\u65f6\u523b – \u51fa\u53d1\u65f6\u523b = \u8def\u4e0a\u82b1\u8d39\u7684\u65f6\u95f4
          \n double cost = arrived – (m – 1);<\/p>\n

          \/\/ \u81f3\u591a\u4fdd\u75593\u4e2a\u5c0f\u6570\u4f4d
          \n char res[100];
          \n sprintf(res, "%.3f", cost);<\/p>\n

          \/\/ %g \u683c\u5f0f \u4e0d\u4f1a\u6253\u5370\u65e0\u6548\u5c0f\u6570\u4f4d
          \n printf("%g", atof(res));<\/p>\n

          return 0;
          \n}<\/p>\n","protected":false},"excerpt":{"rendered":"

          (\u65b0\u5377,200\u5206)- \u8fd0\u8f93\u65f6\u95f4（Java & JS & Python & C）\u9898\u76ee\u63cf\u8ff0M（1 \u2264 M \u2264 20）\u8f86\u8f66\u9700\u8981\u5728\u4e00\u6761\u4e0d\u80fd\u8d85\u8f66\u7684\u5355\u884c\u9053\u5230\u8fbe\u7ec8\u70b9，\u8d77\u70b9\u5230\u7ec8\u70b9\u7684\u8ddd\u79bb\u4e3a N（1 \u2264 N\u00a0\u2264 400）\u3002\u901f\u5ea6\u5feb\u7684\u8f66\u8ffd\u4e0a\u524d\u8f66\u540e，\u53ea\u80fd\u4ee5\u524d\u8f66\u7684\u901f\u5ea6\u7ee7\u7eed\u884c\u9a76，\u6c42\u6700\u540e\u4e00\u8f86\u8f66\u5230\u8fbe\u76ee\u7684\u5730\u82b1\u8d39\u7684\u65f6\u95f4\u3002\u6ce8：\u6bcf\u8f86\u8f66\u56fa\u5b9a\u95f4\u9694 1 \u5c0f\u65f6\u51fa\u53d1，\u6bd4\u5982\u7b2c\u4e00<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,190,427],"topic":[],"class_list":["post-70920","post","type-post","status-publish","format-standard","hentry","category-server","tag-python","tag-190","tag-427"],"yoast_head":"\n(\u65b0\u5377,200\u5206)- \u8fd0\u8f93\u65f6\u95f4\uff08Java & JS & Python & C\uff09 - 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