Update Time_Complexity.md

Modify isPrime function
halfrost · Jun 22, 2024 · b878af0 · b878af0
1 parent 3200de1
commit b878af0
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diff --git a/website/content/ChapterOne/Time_Complexity.md b/website/content/ChapterOne/Time_Complexity.md
@@ -44,6 +44,7 @@ void hello (int n){
 
 ```c
 bool isPrime (int n){
+    if (num <= 1) return false;
     for( int x = 2 ; x * x <= n ; x ++ )
         if( n % x == 0 )
             return false;