diff options
Diffstat (limited to 'datastructures/stlHashMap.cpp')
| -rw-r--r-- | datastructures/stlHashMap.cpp | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/datastructures/stlHashMap.cpp b/datastructures/stlHashMap.cpp deleted file mode 100644 index b107dde..0000000 --- a/datastructures/stlHashMap.cpp +++ /dev/null @@ -1,17 +0,0 @@ -#include <ext/pb_ds/assoc_container.hpp> -using namespace __gnu_pbds; - -template<typename T> -struct betterHash { - size_t operator()(T o) const { - size_t h = hash<T>()(o) ^ 42394245; //random value - h = ((h >> 16) ^ h) * 0x45d9f3b; - h = ((h >> 16) ^ h) * 0x45d9f3b; - h = ((h >> 16) ^ h); - return h; -}}; - -template<typename K, typename V, typename H = betterHash<K>> -using hashMap = gp_hash_table<K, V, H>; -template<typename K, typename H = betterHash<K>> -using hashSet = gp_hash_table<K, null_type, H>; |
