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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                過年弄得也沒寫代碼了,最近開始繼續奮斗? * * * 問題描述? Anagrams指的是具有如下特性的兩個單詞:在這兩個單詞當中,每一個英文字母(不區分大小寫)所出現的次數都是相同的。例如,“Unclear”和“Nuclear”、“Rimon”和“MinOR”都是Anagrams。編寫一個程序,輸入兩個單詞,然后判斷一下,這兩個單詞是否是Anagrams。每一個單詞的長度不會超過80個字符,而且是大小寫無關的。? 輸入格式:輸入有兩行,分別為兩個單詞。? 輸出格式:輸出只有一個字母Y或N,分別表示Yes和No。? 輸入輸出樣例? 樣例輸入? Unclear? Nuclear? 樣例輸出? Y ## 笨方法 一開始沒看懂題目,用了笨方法,就是把每個字母出現的次數記錄下來,得了80分,錯了兩組數據,因為不是VIP暫時看不到數據,想了想也不知道錯在哪 ~~~ import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); String str1 = input.next(); String str2 = input.next(); str1 = str1.toLowerCase(); str2 = str2.toLowerCase(); if (str1.length()!=str2.length()){ System.out.println("N"); System.exit(0); } input(str1,str2); } /** *接收兩個串,然后比較 */ private static void input(String str1,String str2){ int[] arr1 = new int[str1.length()]; int[] arr2 = new int[str2.length()]; for (int i = 0; i < str1.length(); i++) { arr1[i] = judge(str1.charAt(i),str1); } for (int i = 0; i < str2.length(); i++) { arr2[i] = judge(str2.charAt(i),str2); } for (int i = 1; i < str1.length(); i++) { if (arr1[0] !=arr1[i]){ System.out.println("N"); return; } } for (int i = 1; i < str2.length(); i++) { if (arr2[0] !=arr2[i]){ System.out.println("N"); return; } } System.out.println("Y"); } /* 計算字母在一個字符串中出現的次數 */ private static int judge(char a,String str){ int start = 0,count = 0; while ((start = str.indexOf(a, start)) >= 0){ start++; count++; } return count; } } ~~~ ## 簡單方法 先排序,然后直接比較排序后的數組是否相等即可 ~~~ private static void judge1(String str1,String str2){ char[] a = str1.toCharArray(); char[] b = str2.toCharArray(); Arrays.sort(a); Arrays.sort(b); if (Arrays.equals(a,b)){ System.out.println("Y"); }else { System.out.println("N"); } } ~~~
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                              哎呀哎呀视频在线观看