diff --git a/test01/main.cpp b/test01/main.cpp
index 79b82a9..fd1de93 100644
--- a/test01/main.cpp
+++ b/test01/main.cpp
@@ -1,18 +1,14 @@
 #include "iostream"
 using namespace std;
 
-
-
+//最小的n
+float s=0,n=1;
 int main() {
-    int n,a;
-    cin >>n;
-    for (int i=0;i<n; i++) {
-        cin>>a;
-        if(a%10<=4){
-            cout <<a/10*10<<endl;
-        }else{
-            cout <<a/10*10+10<<endl;
-        }
+    while (s<5) {
+        s=s+1/n;
+        n++;//n=n+1  n+=1
+        //cout <<s<<"|"<<1.0/n<<"|"<<n<<endl;
     }
+    cout <<n<<endl;
     return 0;
 }