package suanfa;
public class ziji {
public static void main(String[] args) {
int str[] = { 1, 2, 3 };
int length = 1 << str.length;
for (int i = 0; i < length; i++) {
print(str, i);
}
}
public static void print(int[] str, int i) {
int N = str.length;
for (int j = 0; j < N; j++) {
if ((i & (1 << j)) != 0) {
System.out.print(str[j] + " ");
}
}
System.out.println();
}
}
生成子集(Java)
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转载自blog.csdn.net/weixin_40330033/article/details/82632636
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