import java.util.Scanner; public class Main { /** * ABBCCC * j * k * 长度为k-j,字符取的是j位置的字符 */ public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (scanner.hasNext()) { int time = scanner.nextInt(); for (int i = 0; i < time; i++) { char[] chars = scanner.next().toCharArray(); //避免每次都要在循环里面获取长度 int len = chars.length; StringBuilder resultBuilder = new StringBuilder(); //j和k双指针,当j和k的值不同时,记录数值(k-j)即为相同字符的长度,并将j瞬间移动到k的地方,k继续向下便利 int j = 0, k = 0; for (k = j + 1; k < len; k++) { if (chars[j] != chars[k]) { if (k - j > 1) { resultBuilder.append(k - j); } resultBuilder.append(chars[j]); j = k; } } //处理最后的场景 if (k - j > 1) { resultBuilder.append(k - j); } resultBuilder.append(chars[j]); System.out.println(resultBuilder.toString()); } } } } // java相关技术文章,希望帮助到你
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