diff options
Diffstat (limited to 'content/datastructures/persistent.cpp')
| -rw-r--r-- | content/datastructures/persistent.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/content/datastructures/persistent.cpp b/content/datastructures/persistent.cpp index 4093cdc..7d15342 100644 --- a/content/datastructures/persistent.cpp +++ b/content/datastructures/persistent.cpp @@ -4,15 +4,15 @@ struct persistent { vector<pair<int, T>> data;
persistent(int& time, T value = {})
- : time(time), data(1, {time, value}) {}
+ : time(time), data(1, {2*time, value}) {}
T get(int t) {
- return prev(upper_bound(all(data), pair{t+1, T{}}))->second;
+ return prev(upper_bound(all(data), pair{2*t+1, T{}}))->second;
}
int set(T value) {
- time += 2;
- data.push_back({time, value});
+ time++;
+ data.push_back({2*time, value});
return time;
}
};
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