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参考代码:
import java.util.Scanner; public class Main { static Scanner in = new Scanner(System.in); static int n = in.nextInt(); public static void main(String[] args) { String[] s = new String[n+1]; String str = null; for(int q=1,d= n; q<n+1;q++,d--){ s[q] = A(q)+"+"+d; } for(int i=1; i<n+1;i++){ if(i>1){ str = "("+str+")"+s[i]; }else{ str=s[1]; } } System.out.println(str); } static String[] a = new String[n+1]; public static String A(int n) { String temp = "1" ; for(int t=n;t>0;t--){ if(t==1){ a[1] ="sin("+temp+")"; }else{ if(t==n){ temp = String.valueOf(n); } if((t%2)==0){ a[t]=(t-1)+"-"+"sin("+temp+")"; }else{ a[t]=(t-1)+"+"+"sin("+temp+")"; } temp = a[t]; } } return a[1]; } }
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