delete pics to save space

history_source/信息学奥赛一本通/1.6.1.5t.cpp

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+#include<cstdio>
+using namespace std;
+int sum(int n)
+{
+	int sum=1;
+	for(int i=2;i*i<=n;i++)
+	{
+		if(n%i==0)
+		{
+			sum+=i+n/i;
+			if(i*i==n) sum-=i;
+		}
+	}
+	return sum;
+}
+int main()
+{
+	for(int i=1;;i++)
+		if(sum(sum(i))==i&&i!=sum(i))
+		{
+			printf("%d %d\n",i,sum(i));
+			return 0;
+		}
+	return 0;
+}
+