'commit'

C++课程/第二课字节与进制转换/2to10.cpp

@@ -0,0 +1,34 @@
+#include<iostream>
+#include<conio.h>
+
+using namespace std;
+
+//<2F><><EFBFBD><EFBFBD> x<><78>n<EFBFBD>η<EFBFBD> 
+double power (int x, int n)
+{ 
+	int result=1;
+	for(int i=0;i<n;i++)
+	{
+		result=result*x;
+	}
+	return result;
+} 
+
+int main() 
+{     
+     int all=0;
+	 string p = "1011";     
+     for( int i=0;i<p.length();i++)
+     {     
+       if(p[p.length()-i-1]=='1')
+       {       	
+       	all=all+power(2,i);  		
+	   }           
+	 }      
+  	cout<<all<<endl;
+  	
+  	getch();
+  	return 0;
+}
+ 
+