delete pics to save space

1.1010.cpp

@@ -0,0 +1,26 @@
+#include<cstdio>
+int f(int x)
+{
+	if(x==0) return printf("0");
+	bool flag=false;
+	for(int i=30;i>=0;i--)
+		if(x&(1<<i))
+		{
+			if(flag) printf("+");
+			flag=true;
+			if(i==1) printf("2");
+			else
+			{
+				printf("2(");
+				f(i);
+				printf(")");
+			}
+		}
+}
+int main()
+{
+	int n;
+	scanf("%d",&n);
+	f(n);
+	return 0;
+}