Create 2262_ACShiryu.cpp

From http://www.cnblogs.com/ACShiryu/archive/2011/08/04/2127966.html

POJ/2262_ACShiryu.cpp

@@ -0,0 +1,29 @@
+#include<iostream>
+#include<cstdlib>
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+#include<cmath>
+using namespace std;
+bool isprime ( int k )
+{
+    int t = sqrt ( k + 0.5 ) ;
+    for ( int i = 2  ; i <= t ; i ++ )
+        if ( k % i == 0 )
+            return false ;
+    return true ;
+}
+int main()
+{
+    int n ;
+    while ( scanf ("%d", &n) , n )
+    {
+        int i ;
+        int t = n / 2 ;
+        for ( i = 3 ; i <= t ; i += 2 )
+            if ( isprime ( i ) && isprime ( n - i ) )
+                break ;
+        printf ( "%d = %d + %d\n" , n , i , n - i ) ;
+    }
+    return 0;
+}