Add better solution

lamhoangtung · Jul 17, 2018 · 182e927 · 182e927
1 parent 9c87851
commit 182e927
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/.DS_Store b/.DS_Store
diff --git a/Assignment 1/assignment1.cpp b/Assignment 1/assignment1.cpp
@@ -22,9 +22,15 @@ void dec(int &n){
 }
 
 float p(float x,int n){
-  float ans = 2018*pow(x,n);
+  float temp=1;
+  for (int i=1;i<=n;i++){
+    temp*=x;
+  }
+  float ans=2018*temp;
+  temp=x;
   for (int i=2;i<=n;i++){
-    ans += (pow(x,i)/pow(3,i-1));
+    temp*=x/3.0;
+    ans+=temp;
   }
   return ans;
 }