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package array; import java.util.Random; /** * Created by Administrator on 2018/3/29 0029. */ public class NQueen { //可行解数组,从X[1]开始使用 private static int[] X={0,0,0,0,0} ; //X数组的长度 private static int nn=5 ; //记录可行解数目 private static int sum=0; /** * 迭代算法 */ public void iteration(int n){ int k=1; while(k>0){ X[k]++; while(X[k]