diff options
Diffstat (limited to 'datastructures/firstUnused.cpp')
| -rw-r--r-- | datastructures/firstUnused.cpp | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/datastructures/firstUnused.cpp b/datastructures/firstUnused.cpp deleted file mode 100644 index 16b0c21..0000000 --- a/datastructures/firstUnused.cpp +++ /dev/null @@ -1,13 +0,0 @@ -// Erste natürliche Zahl nicht im set used. -set<int> used; -int unusedCounter = 1; - -int get_first_unused() { // Laufzeit: O(log n) amortisiert. - auto it = used.lower_bound(unusedCounter); - while (it != used.end() && *it == unusedCounter) { - it++; - unusedCounter++; - } - used.insert(unusedCounter); - return unusedCounter++; -} |