Add FZOI Codes

FZOI/「NOIP2014 普及组」珠心算测验.cpp

@@ -0,0 +1,33 @@
+#include<iostream>
+using namespace std;
+
+bool a[20010];
+int b[20010];
+int main()
+{
+	int n, x, sum = 0;
+	cin >> n;
+	for(int i = 1; i <= n; i ++ )
+	{
+		cin >> x;
+		a[x] = 1;
+	}
+	for(int i = 1; i <= 10000; i ++ )
+	{
+		if(a[i] == 1)
+		{ 
+			for(int j = i + 1; j <= 10000; j ++ )
+			{
+				if(a[j] == 1 && a[i + j] == 1)
+				b[i + j] ++ ;
+			}
+		}
+	}
+	for(int i = 1; i <= 20010; i ++ )
+	{
+		if(b[i] >= 1)
+		sum ++ ;
+	}
+	cout << sum;
+	return 0;
+}