Update S3.cpp

diff --git a/Main/C++/2016/S3.cpp b/Main/C++/2016/S3.cpp
index 199721643291bb6ea79e5f5e602d86daf57701c0..c4ebe69792f5c07a7a2768e5e9b536c0be7fb0ab 100644 (file)
--- a/Main/C++/2016/S3.cpp
+++ b/Main/C++/2016/S3.cpp
@@ -45,7 +45,7 @@ int main()
     set<vector<int>> seen;
     vector<int> temp;
     int current, length;
-    long long pho_seen, complete = (pow(10,pho_restaurants.size()) - 1)/9;
+    long long pho_seen, complete = (pow(10,pho_restaurants.size()) - 1)/9; // integer overflow
     while (!q.empty())
     {
         current=q.front()[0], length=q.front()[1], pho_seen = q.front()[2];