Update maximum-product-of-word-lengths.cpp

kamyu104 · kamyu104 · commit c3b33855a6fd · 2015-12-16T07:48:22.000+08:00
diff --git a/C++/maximum-product-of-word-lengths.cpp b/C++/maximum-product-of-word-lengths.cpp
@@ -23,7 +23,7 @@ class Solution {
         return max_product;
     }
 
-    vector<string> counting_sort(vector<string>& words) {
+    vector<string> counting_sort(const vector<string>& words) {
         const int k = 1000;  // k is max length of words in the dictionary
         vector<vector<string>> buckets(k);
         for (const auto& word : words) {

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@ class Solution {`
`23`	`23`	`return max_product;`
`24`	`24`	`}`
`25`	`25`
`26`		`- vector<string> counting_sort(vector<string>& words) {`
	`26`	`+ vector<string> counting_sort(const vector<string>& words) {`
`27`	`27`	`const int k = 1000; // k is max length of words in the dictionary`
`28`	`28`	`vector<vector<string>> buckets(k);`
`29`	`29`	`for (const auto& word : words) {`