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题目:给定一个字符串S1和其子串S2,找出S2在S1的第一个位置。
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示例:
示例1: 输入:S1 = “abcadcdvfcdg" S2 = "cd" 输出:5 示例2: 输入:S1 = “cdhbvdjhbvf" S2 = "bv" 输出:3
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代码
import java.util.Scanner; class Solution { public static void main(String [] args) { Scanner in = new Scanner(System.in); String s1 = in.nextLine(); String s2 = in.nextLine(); int n = 0; for (int i = s2.length(); i < s1.length(); i++) { if (s2.equals(s1.substring(n, i))) { System.out.println(n); break; } n++; } } }
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运行结果
abcadcdvfcdg cd 5
给定一个字符串S1和其子串S2,找出S2在S1的第一个位置
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转载自blog.csdn.net/qq_44837912/article/details/104674706
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