diff options
Diffstat (limited to 'content/datastructures/persistentArray.cpp')
| -rw-r--r-- | content/datastructures/persistentArray.cpp | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/content/datastructures/persistentArray.cpp b/content/datastructures/persistentArray.cpp index 8326700..903bd0e 100644 --- a/content/datastructures/persistentArray.cpp +++ b/content/datastructures/persistentArray.cpp @@ -1,24 +1,24 @@ -template<typename T>
-struct persistentArray {
- int time;
- vector<persistent<T>> data;
- vector<pair<int, int>> mods;
-
- persistentArray(int n, T value = {})
- : time(0), data(n, {time, value}) {}
-
- T get(int p, int t) {return data[p].get(t);}
-
- int set(int p, T value) {
- mods.push_back({p, data[p].set(value)});
- return mods.back().second;
- }
-
- void reset(int t) {
- while (!mods.empty() && mods.back().second > t) {
- data[mods.back().first].data.pop_back();
- mods.pop_back();
- }
- time = t;
- }
-};
+template<typename T> +struct persistentArray { + int time; + vector<persistent<T>> data; + vector<pair<int, int>> mods; + + persistentArray(int n, T value = {}) + : time(0), data(n, {time, value}) {} + + T get(int p, int t) { return data[p].get(t); } + + int set(int p, T value) { + mods.push_back({p, data[p].set(value)}); + return mods.back().second; + } + + void reset(int t) { + while (!mods.empty() && mods.back().second > t) { + data[mods.back().first].data.pop_back(); + mods.pop_back(); + } + time = t; + } +}; |
