Create 1045.cpp

ZOJ/1045.cpp

@@ -0,0 +1,29 @@
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cmath>
+using namespace std;
+
+double pool[300];
+
+int main()
+{
+    pool[1]=0.5;
+    for(int i=2;i<300;i++)
+    {
+        pool[i]=pool[i-1]+1.0/(i+1);
+    }
+    double inp;
+    while(scanf("%lf",&inp)==1&&inp>0.01)
+    {
+        for(int i=1;i<300;i++)
+        {
+            if(pool[i]>inp)
+            {
+                printf("%d card(s)\n",i);
+                break;
+            }
+        }
+    }
+    return 0;
+}