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aoc-2023
feature/day17
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Advent of Code 2023 - I'm still learning Lean4, so please don't judge.
Andreas Grois
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*
Continue at CompleteTree.heapReplaceElementAtIsHeap
Andreas Grois
2024-07-14
1
-1
/
+22
*
BinaryHeap.RemoveRoot added, and some proofs cleaned up a bit
Andreas Grois
2024-07-14
1
-22
/
+26
*
Finish CompleteTree.heapReplaceRootIsHeap.
Andreas Grois
2024-07-14
1
-9
/
+42
*
Continue proof for heapReplaceRootIsHeap (heapReplaceElementAtIsHeap)
Andreas Grois
2024-07-13
1
-7
/
+56
*
Squashed commit of the following:
Andreas Grois
2024-07-12
10
-192
/
+190
*
Continue on CompleteTree.heapReplaceElementAtIsHeap
Andreas Grois
2024-07-10
2
-9
/
+217
*
Finish CompleteTree.get implementation. Not proven to be correct yet.
Andreas Grois
2024-06-30
2
-6
/
+15
*
partial implementation of CompleteTree.get
Andreas Grois
2024-06-30
1
-0
/
+18
*
CompleteTree.replaceElementAt finished - now needs proof
Andreas Grois
2024-06-30
1
-22
/
+40
*
Partial implementation of CompleteTree.removeAtIndex
Andreas Grois
2024-06-30
2
-3
/
+66
*
CompleteTree.popLastIsHeap finished.
Andreas Grois
2024-06-29
1
-2
/
+14
*
Continue on popLast proof. popLastLeavesRoot finished.
Andreas Grois
2024-06-28
1
-13
/
+59
*
Continue on popLast validity proof. Still incomplete.
Andreas Grois
2024-06-27
1
-5
/
+57
*
Heap: Trivial part of popLastIsHeap proof.
Andreas Grois
2024-03-31
1
-0
/
+16
*
Make BinaryTree.PopLast function work with unfold
Andreas Grois
2024-01-30
1
-32
/
+34
*
Make Find function take a predicate. Simplify PopLast.
Andreas Grois
2024-01-25
1
-27
/
+26
*
Minor, rename wellDefinedLt to wellDefinedLe
Andreas Grois
2024-01-13
1
-4
/
+4
*
Change heap from less-than to less-than-or-equal.
Andreas Grois
2024-01-13
1
-148
/
+83
*
Fix Heap Insert preserves Heap Proof. Preconditions were wrong.
Andreas Grois
2024-01-13
1
-18
/
+59
*
Rename not_equal to antisymm, because that's what it is.
Andreas Grois
2024-01-10
1
-7
/
+7
*
(Finally) rename BalancedTree to CompleteTree
Andreas Grois
2024-01-10
1
-52
/
+52
*
Implement actual BinaryHeap.insert function.
Andreas Grois
2024-01-10
1
-0
/
+6
*
Proof that heap insert preserves a heap is done!
Andreas Grois
2024-01-10
1
-3
/
+73
*
Heap.insert: Insert-Left is proven now.
Andreas Grois
2024-01-10
1
-7
/
+45
*
More progress on heap.insert proof
Andreas Grois
2024-01-09
1
-8
/
+25
*
Further progress on heap insert proof.
Andreas Grois
2024-01-08
1
-12
/
+10
*
Progress on the proof that heap.insert keeps the heap intact.
Andreas Grois
2024-01-08
1
-0
/
+17
*
Unfinished proof that insert keeps heap a heap
Andreas Grois
2024-01-05
1
-31
/
+99
*
Even more cleanup in Heap
Andreas Grois
2023-12-18
2
-6
/
+6
*
More cleanup of code in BinaryHeap.
Andreas Grois
2023-12-18
2
-55
/
+61
*
Partial cleanup of Heap
Andreas Grois
2023-12-18
3
-119
/
+119
*
Heap now has balancing conditions complete
Andreas Grois
2023-12-18
1
-18
/
+174
*
Heap: At least one subtree needs to be perfect now.
Andreas Grois
2023-12-15
1
-13
/
+113
*
Rename file to BinaryHeap, as it isn't a BTree
Andreas Grois
2023-12-13
2
-30
/
+30
*
BinTreeHeap: Add condition le m n
Andreas Grois
2023-12-12
1
-19
/
+51
*
Incomplete Heap implementation.
Andreas Grois
2023-12-11
5
-8
/
+146
*
Day9: Simplify proof of termination
Andreas Grois
2023-12-09
1
-1
/
+1
*
Day 9
Andreas Grois
2023-12-09
4
-18
/
+284
*
Fix Day 8 Part 2: Forgot to un-comment something.
Andreas Grois
2023-12-09
1
-2
/
+2
*
Day 8 Part 2
Andreas Grois
2023-12-09
5
-17
/
+156
*
Not working Day8 Part 2.
Andreas Grois
2023-12-08
2
-21
/
+52
*
Day 8 Part 1
Andreas Grois
2023-12-08
4
-2
/
+893
*
Day 7
Andreas Grois
2023-12-08
8
-0
/
+1243
*
Day 6
Andreas Grois
2023-12-07
3
-9
/
+82
*
Allow error messages in parsing (for debugging)
Andreas Grois
2023-12-07
10
-33
/
+62
*
Part 2, finally
Andreas Grois
2023-12-06
2
-17
/
+66
*
Part of Day5 Part 2
Andreas Grois
2023-12-06
1
-54
/
+105
*
Day5, part 1
Andreas Grois
2023-12-06
5
-5
/
+475
*
Day 4
Andreas Grois
2023-12-04
4
-0
/
+277
*
Day 3: Fix swapped adjacents.
Andreas Grois
2023-12-03
1
-11
/
+11
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