A. Shuffle Party
Problem Statement
You are given an array a 1 , a 2 , … , a n a_1, a_2, \ldots, a_n a1,a2,…,an. Initially, a i i a_ii aii for each 1 ≤ i ≤ n 1 \le i \le n 1≤i≤n.
The operation swap ( k ) \texttt{swap}(k) swap(k) for an…
问题描述:在字符串中寻找特定字符
1、第1次出现位置
实现函数原型: int indexOf(char c)
Java代码:
import java.io.*;
public class Way_1
{public static void main(String args[]){String str "Geeks for Geeks is a computer s…