diff --git a/Recursion/P29_25_SubsetGen b/Recursion/P29_25_SubsetGen
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Binary files /dev/null and b/Recursion/P29_25_SubsetGen differ
diff --git a/Recursion/P29_25_SubsetGen.cpp b/Recursion/P29_25_SubsetGen.cpp
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+++ b/Recursion/P29_25_SubsetGen.cpp
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+//Generate subset
+#include <iostream>
+#include <cmath>
+using namespace std;
+//m: 本次递归选原数组第几个
+//n: 本次递归数组长度
+//l: 给定数组长度
+template <class T>
+T* sub(int m ,int n, int l, T* x){
+	T* tmp = new T [l];
+	if(m == l){
+		for(int i = 0; i < l; i++){
+			cout << tmp[i] << endl;
+		}
+		return tmp;
+	
+	}
+	//不选a[i]
+	sub(m + 1, n, l, x);
+
+	//选a[i]
+	tmp[n] = x[m];
+	sub(m + 1, n + 1, l, x);
+
+
+}
+
+int main(){
+	//cin >> n;
+	int n = 5;
+	int num = pow(2 ,n);
+	double** p;
+       	p = new double* [num];
+	for(int i = 0; i < num ; i++){
+		p[i] = new double[n];
+	}
+	double arr[] = {1, 2, 3, 4, 5};
+	sub(0, 0, 5, arr);
+	return 0;
+}
+
+
+
+
+
+
+