題目要求

P1957題目鏈接

分析

對(duì)指令做個(gè)存儲(chǔ)，組合成串之后，獲取一下長(zhǎng)度，就完了。

AC代碼（Java語(yǔ)言描述）

import java.util.Scanner;public class Main {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int num = Integer.parseInt(scanner.nextLine());String character = "";for (int i = 0; i < num; i++) {String line = scanner.nextLine(), result = "";String[] array = line.split("\\s+");int a, b;if (line.startsWith("a")) {character = "a";a = Integer.parseInt(array[1]);b = Integer.parseInt(array[2]);} else if (line.startsWith("b")) {character = "b";a = Integer.parseInt(array[1]);b = Integer.parseInt(array[2]);} else if (line.startsWith("c")) {character = "c";a = Integer.parseInt(array[1]);b = Integer.parseInt(array[2]);} else {a = Integer.parseInt(array[0]);b = Integer.parseInt(array[1]);}switch (character) {case "a":result = a + "+" + b + "=" + (a+b);break;case "b":result = a + "-" + b + "=" + (a-b);break;case "c" :result = a + "*" + b + "=" + (a*b);break;}System.out.println(result + "\n" + result.length());}scanner.close();} } 創(chuàng)作挑戰(zhàn)賽新人創(chuàng)作獎(jiǎng)勵(lì)來咯，堅(jiān)持創(chuàng)作打卡瓜分現(xiàn)金大獎(jiǎng)

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