delete pics to save space

1.1217.cpp

@@ -0,0 +1,27 @@
+#include<cstdio>
+#define For(i,a,b) for(int i=a;i<=b;i++)
+int hws[100005],cnt;
+int L,R;
+inline bool isp(int n)
+{
+	for(int i=2;i*i<=n;i++) if(n%i==0) return false;
+	return n>=2;
+}
+int main()
+{
+	scanf("%d%d",&L,&R);
+	For(a,0,9) For(b,0,9) For(c,0,9) For(d,0,9) For(e,0,9)
+	{
+		if(d==0&&c==0&&b==0&&a==0&&e==9) hws[cnt++]=11;
+		if(d==0&&c==0&&b==0&&a==0)	hws[cnt++]=e;
+        else if(c==0&&b==0&&a==0)	hws[cnt++]=e*10+d*101;
+        else if(b==0&&a==0)			hws[cnt++]=e*100+d*1010+c*10001;
+        else if(a==0)				hws[cnt++]=e*1000+d*10100+c*100010+b*1000001;
+        else						hws[cnt++]=e*10000
+											   +d*101000+c*1000100+b*10000010
+											   +a*100000001;
+	}
+	for(int i=0;i<cnt;i++)
+		if(L<=hws[i]&&hws[i]<=R&&isp(hws[i])) printf("%d\n",hws[i]); 
+	return 0;
+}