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Title: History for python - HaFred/leetcode.py · GitHub

Open Graph Title: History for python - HaFred/leetcode.py

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Description: Python & JAVA Solutions for Leetcode. Contribute to HaFred/leetcode.py development by creating an account on GitHub.

Open Graph Description: Python & JAVA Solutions for Leetcode. Contribute to HaFred/leetcode.py development by creating an account on GitHub.

X Description: Python & JAVA Solutions for Leetcode. Contribute to HaFred/leetcode.py development by creating an account on GitHub.

Opengraph URL: https://github.com/HaFred/leetcode.py

X: @github

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Skip to content	https://github.com/HaFred/leetcode.py/commits/master/python#start-of-content
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python	https://github.com/HaFred/leetcode.py/commits/master/python
master	https://github.com/HaFred/leetcode.py/tree/master
binary tree: n arr level order traversal	https://github.com/HaFred/leetcode.py/commit/c9a9c677938fdee11840d4855423cb41c1beb9bf
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
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	https://github.com/HaFred/leetcode.py/blob/c9a9c677938fdee11840d4855423cb41c1beb9bf/python
	https://github.com/HaFred/leetcode.py/tree/c9a9c677938fdee11840d4855423cb41c1beb9bf
Merge remote-tracking branch 'origin/master'	https://github.com/HaFred/leetcode.py/commit/7088b273f0075c4f983427e7f80f2abd31cd6654
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
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	https://github.com/HaFred/leetcode.py/blob/7088b273f0075c4f983427e7f80f2abd31cd6654/python
	https://github.com/HaFred/leetcode.py/tree/7088b273f0075c4f983427e7f80f2abd31cd6654
binary tree: level order traversal done by double ended queue (deque)	https://github.com/HaFred/leetcode.py/commit/37950516e672905bb65dfc4dd59eec241212edba
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
3795051	https://github.com/HaFred/leetcode.py/commit/37950516e672905bb65dfc4dd59eec241212edba
	https://github.com/HaFred/leetcode.py/blob/37950516e672905bb65dfc4dd59eec241212edba/python
	https://github.com/HaFred/leetcode.py/tree/37950516e672905bb65dfc4dd59eec241212edba
db ptrs & hash map in dict	https://github.com/HaFred/leetcode.py/commit/b894289f4c799ee277433445954641ae3ed217d7
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
b894289	https://github.com/HaFred/leetcode.py/commit/b894289f4c799ee277433445954641ae3ed217d7
	https://github.com/HaFred/leetcode.py/blob/b894289f4c799ee277433445954641ae3ed217d7/python
	https://github.com/HaFred/leetcode.py/tree/b894289f4c799ee277433445954641ae3ed217d7
some dp, ptrs, and hash (in defaultdict and arr[]) problems	https://github.com/HaFred/leetcode.py/commit/accbdefc9d18ddc84579680410b35b6b8e4b8de9
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
accbdef	https://github.com/HaFred/leetcode.py/commit/accbdefc9d18ddc84579680410b35b6b8e4b8de9
	https://github.com/HaFred/leetcode.py/blob/accbdefc9d18ddc84579680410b35b6b8e4b8de9/python
	https://github.com/HaFred/leetcode.py/tree/accbdefc9d18ddc84579680410b35b6b8e4b8de9
distinct graphs with n vertices	https://github.com/HaFred/leetcode.py/commit/900e0d506067db9e349addd668d0c8244a8d8c23
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
900e0d5	https://github.com/HaFred/leetcode.py/commit/900e0d506067db9e349addd668d0c8244a8d8c23
	https://github.com/HaFred/leetcode.py/blob/900e0d506067db9e349addd668d0c8244a8d8c23/python
	https://github.com/HaFred/leetcode.py/tree/900e0d506067db9e349addd668d0c8244a8d8c23
a binary format problem	https://github.com/HaFred/leetcode.py/commit/ebb57d66a75e5a1d7a3bdbca26dadfdbe976780e
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
ebb57d6	https://github.com/HaFred/leetcode.py/commit/ebb57d66a75e5a1d7a3bdbca26dadfdbe976780e
	https://github.com/HaFred/leetcode.py/blob/ebb57d66a75e5a1d7a3bdbca26dadfdbe976780e/python
	https://github.com/HaFred/leetcode.py/tree/ebb57d66a75e5a1d7a3bdbca26dadfdbe976780e
Merge remote-tracking branch 'origin/master'	https://github.com/HaFred/leetcode.py/commit/41b13be32243f3a0c4f2e7f137d757f71ead8bb6
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
41b13be	https://github.com/HaFred/leetcode.py/commit/41b13be32243f3a0c4f2e7f137d757f71ead8bb6
	https://github.com/HaFred/leetcode.py/blob/41b13be32243f3a0c4f2e7f137d757f71ead8bb6/python
	https://github.com/HaFred/leetcode.py/tree/41b13be32243f3a0c4f2e7f137d757f71ead8bb6
028 kmp for strstr detection	https://github.com/HaFred/leetcode.py/commit/60582ef70370634e6256442ba219c27313f830f1
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
60582ef	https://github.com/HaFred/leetcode.py/commit/60582ef70370634e6256442ba219c27313f830f1
	https://github.com/HaFred/leetcode.py/blob/60582ef70370634e6256442ba219c27313f830f1/python
	https://github.com/HaFred/leetcode.py/tree/60582ef70370634e6256442ba219c27313f830f1
using collections.defaultdict to do hash map	https://github.com/HaFred/leetcode.py/commit/78fa60b3b52609d0dae5abae8a91b89e644d2adf
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
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	https://github.com/HaFred/leetcode.py/blob/78fa60b3b52609d0dae5abae8a91b89e644d2adf/python
	https://github.com/HaFred/leetcode.py/tree/78fa60b3b52609d0dae5abae8a91b89e644d2adf
for longest and continuous, doing dp can cut down the tc as o(n)	https://github.com/HaFred/leetcode.py/commit/70628010ac324441c7d71bf5433b3b7d66e9165a
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
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	https://github.com/HaFred/leetcode.py/blob/70628010ac324441c7d71bf5433b3b7d66e9165a/python
	https://github.com/HaFred/leetcode.py/tree/70628010ac324441c7d71bf5433b3b7d66e9165a
use stack to solve parenthesis matching	https://github.com/HaFred/leetcode.py/commit/cb688cb62e414157afe770ccc9630ace9b81559b
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
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	https://github.com/HaFred/leetcode.py/blob/cb688cb62e414157afe770ccc9630ace9b81559b/python
	https://github.com/HaFred/leetcode.py/tree/cb688cb62e414157afe770ccc9630ace9b81559b
fix python2	https://github.com/HaFred/leetcode.py/commit/4701b64a1777e2950e28483792cdc41649890aab
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
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	https://github.com/HaFred/leetcode.py/blob/4701b64a1777e2950e28483792cdc41649890aab/python
	https://github.com/HaFred/leetcode.py/tree/4701b64a1777e2950e28483792cdc41649890aab
implementing stack using queues properties	https://github.com/HaFred/leetcode.py/commit/cf1947919044d11c77e4213e3359afcd9eac7292
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
cf19479	https://github.com/HaFred/leetcode.py/commit/cf1947919044d11c77e4213e3359afcd9eac7292
	https://github.com/HaFred/leetcode.py/blob/cf1947919044d11c77e4213e3359afcd9eac7292/python
	https://github.com/HaFred/leetcode.py/tree/cf1947919044d11c77e4213e3359afcd9eac7292
Merge remote-tracking branch 'origin/master'	https://github.com/HaFred/leetcode.py/commit/41b6d4d43b04ce06e0d9e9c0e20e4e4eb7e00e16
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
41b6d4d	https://github.com/HaFred/leetcode.py/commit/41b6d4d43b04ce06e0d9e9c0e20e4e4eb7e00e16
	https://github.com/HaFred/leetcode.py/blob/41b6d4d43b04ce06e0d9e9c0e20e4e4eb7e00e16/python
	https://github.com/HaFred/leetcode.py/tree/41b6d4d43b04ce06e0d9e9c0e20e4e4eb7e00e16
Merge remote-tracking branch 'origin/master'	https://github.com/HaFred/leetcode.py/commit/8981b9fafeee4a9e336a1a1bc27b0f9a865a4194
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
8981b9f	https://github.com/HaFred/leetcode.py/commit/8981b9fafeee4a9e336a1a1bc27b0f9a865a4194
	https://github.com/HaFred/leetcode.py/blob/8981b9fafeee4a9e336a1a1bc27b0f9a865a4194/python
	https://github.com/HaFred/leetcode.py/tree/8981b9fafeee4a9e336a1a1bc27b0f9a865a4194
some double ptrs methods	https://github.com/HaFred/leetcode.py/commit/782da9ffa76b5f46753af41c7684e8594955c3d6
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
782da9f	https://github.com/HaFred/leetcode.py/commit/782da9ffa76b5f46753af41c7684e8594955c3d6
	https://github.com/HaFred/leetcode.py/blob/782da9ffa76b5f46753af41c7684e8594955c3d6/python
	https://github.com/HaFred/leetcode.py/tree/782da9ffa76b5f46753af41c7684e8594955c3d6
little comments about the relationtionship between two-ptr method and the recursion one	https://github.com/HaFred/leetcode.py/commit/a2e1f6d6cfe38b7111bde485f41a25787e883d75
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
a2e1f6d	https://github.com/HaFred/leetcode.py/commit/a2e1f6d6cfe38b7111bde485f41a25787e883d75
	https://github.com/HaFred/leetcode.py/blob/a2e1f6d6cfe38b7111bde485f41a25787e883d75/python
	https://github.com/HaFred/leetcode.py/tree/a2e1f6d6cfe38b7111bde485f41a25787e883d75
linked list init and reverse it	https://github.com/HaFred/leetcode.py/commit/b4a6e8806fe04e13bca6715f2f040f8d99973669
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
b4a6e88	https://github.com/HaFred/leetcode.py/commit/b4a6e8806fe04e13bca6715f2f040f8d99973669
	https://github.com/HaFred/leetcode.py/blob/b4a6e8806fe04e13bca6715f2f040f8d99973669/python
	https://github.com/HaFred/leetcode.py/tree/b4a6e8806fe04e13bca6715f2f040f8d99973669
linked list init and reverse it	https://github.com/HaFred/leetcode.py/commit/272094c997a8b03f6108662bf4352dc77c0372a3
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
272094c	https://github.com/HaFred/leetcode.py/commit/272094c997a8b03f6108662bf4352dc77c0372a3
	https://github.com/HaFred/leetcode.py/blob/272094c997a8b03f6108662bf4352dc77c0372a3/python
	https://github.com/HaFred/leetcode.py/tree/272094c997a8b03f6108662bf4352dc77c0372a3
linked list basic editting:	https://github.com/HaFred/leetcode.py/commit/bf4dd94de8ea063cf81835a627a17ec708e17af5
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
bf4dd94	https://github.com/HaFred/leetcode.py/commit/bf4dd94de8ea063cf81835a627a17ec708e17af5
	https://github.com/HaFred/leetcode.py/blob/bf4dd94de8ea063cf81835a627a17ec708e17af5/python
	https://github.com/HaFred/leetcode.py/tree/bf4dd94de8ea063cf81835a627a17ec708e17af5
stack list placeholder	https://github.com/HaFred/leetcode.py/commit/7b3eff49cafcc49225bf304d8caa3ce4fbe4bd16
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
7b3eff4	https://github.com/HaFred/leetcode.py/commit/7b3eff49cafcc49225bf304d8caa3ce4fbe4bd16
	https://github.com/HaFred/leetcode.py/blob/7b3eff49cafcc49225bf304d8caa3ce4fbe4bd16/python
	https://github.com/HaFred/leetcode.py/tree/7b3eff49cafcc49225bf304d8caa3ce4fbe4bd16
* dp longest valide parentheses	https://github.com/HaFred/leetcode.py/commit/e2c68e388ddc47d8bab43783cf562b540e00173d
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
e2c68e3	https://github.com/HaFred/leetcode.py/commit/e2c68e388ddc47d8bab43783cf562b540e00173d
	https://github.com/HaFred/leetcode.py/blob/e2c68e388ddc47d8bab43783cf562b540e00173d/python
	https://github.com/HaFred/leetcode.py/tree/e2c68e388ddc47d8bab43783cf562b540e00173d
* binary tree pre/in/post orders	https://github.com/HaFred/leetcode.py/commit/abeb92824fdb3a0acf0dc2d789ef03f9680faae3
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
abeb928	https://github.com/HaFred/leetcode.py/commit/abeb92824fdb3a0acf0dc2d789ef03f9680faae3
	https://github.com/HaFred/leetcode.py/blob/abeb92824fdb3a0acf0dc2d789ef03f9680faae3/python
	https://github.com/HaFred/leetcode.py/tree/abeb92824fdb3a0acf0dc2d789ef03f9680faae3
several dp	https://github.com/HaFred/leetcode.py/commit/f87dfc3ffc1ed1b4191d3d78a29d508b115b8066
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
f87dfc3	https://github.com/HaFred/leetcode.py/commit/f87dfc3ffc1ed1b4191d3d78a29d508b115b8066
	https://github.com/HaFred/leetcode.py/blob/f87dfc3ffc1ed1b4191d3d78a29d508b115b8066/python
	https://github.com/HaFred/leetcode.py/tree/f87dfc3ffc1ed1b4191d3d78a29d508b115b8066
dp: clmbing stairs w/ or w/o cost	https://github.com/HaFred/leetcode.py/commit/0a6d24ebf88a92317c6608eb2a148b0c2f8a78f5
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
0a6d24e	https://github.com/HaFred/leetcode.py/commit/0a6d24ebf88a92317c6608eb2a148b0c2f8a78f5
	https://github.com/HaFred/leetcode.py/blob/0a6d24ebf88a92317c6608eb2a148b0c2f8a78f5/python
	https://github.com/HaFred/leetcode.py/tree/0a6d24ebf88a92317c6608eb2a148b0c2f8a78f5
dynamic prog: longest increasing subseq & longest continuous increasing subseq;	https://github.com/HaFred/leetcode.py/commit/3c788bbff319be891dc33de12559f21eafb61494
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
3c788bb	https://github.com/HaFred/leetcode.py/commit/3c788bbff319be891dc33de12559f21eafb61494
	https://github.com/HaFred/leetcode.py/blob/3c788bbff319be891dc33de12559f21eafb61494/python
	https://github.com/HaFred/leetcode.py/tree/3c788bbff319be891dc33de12559f21eafb61494
binary tree: segment tree	https://github.com/HaFred/leetcode.py/commit/c606c5ce0e6b82016a63122a1078d3ce836c0193
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
c606c5c	https://github.com/HaFred/leetcode.py/commit/c606c5ce0e6b82016a63122a1078d3ce836c0193
	https://github.com/HaFred/leetcode.py/blob/c606c5ce0e6b82016a63122a1078d3ce836c0193/python
	https://github.com/HaFred/leetcode.py/tree/c606c5ce0e6b82016a63122a1078d3ce836c0193
dynamic programming	https://github.com/HaFred/leetcode.py/commit/6cf211f050b526c4a3481d5b13ac6ad0db87e86d
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
6cf211f	https://github.com/HaFred/leetcode.py/commit/6cf211f050b526c4a3481d5b13ac6ad0db87e86d
	https://github.com/HaFred/leetcode.py/blob/6cf211f050b526c4a3481d5b13ac6ad0db87e86d/python
	https://github.com/HaFred/leetcode.py/tree/6cf211f050b526c4a3481d5b13ac6ad0db87e86d
200 graph: methods DFS and BFS	https://github.com/HaFred/leetcode.py/commit/75f3002c7f985655cd26a85252bb882f764faf36
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
75f3002	https://github.com/HaFred/leetcode.py/commit/75f3002c7f985655cd26a85252bb882f764faf36
	https://github.com/HaFred/leetcode.py/blob/75f3002c7f985655cd26a85252bb882f764faf36/python
	https://github.com/HaFred/leetcode.py/tree/75f3002c7f985655cd26a85252bb882f764faf36
704 double ptr methods	https://github.com/HaFred/leetcode.py/commit/e5cc8811d06e9a59f19ed81aa1a1de64cfe7f881
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
e5cc881	https://github.com/HaFred/leetcode.py/commit/e5cc8811d06e9a59f19ed81aa1a1de64cfe7f881
	https://github.com/HaFred/leetcode.py/blob/e5cc8811d06e9a59f19ed81aa1a1de64cfe7f881/python
	https://github.com/HaFred/leetcode.py/tree/e5cc8811d06e9a59f19ed81aa1a1de64cfe7f881
704 dichotomy	https://github.com/HaFred/leetcode.py/commit/648e3c96c750a566dd65afd6489231a12ef5df2e
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
648e3c9	https://github.com/HaFred/leetcode.py/commit/648e3c96c750a566dd65afd6489231a12ef5df2e
	https://github.com/HaFred/leetcode.py/blob/648e3c96c750a566dd65afd6489231a12ef5df2e/python
	https://github.com/HaFred/leetcode.py/tree/648e3c96c750a566dd65afd6489231a12ef5df2e
110 bin tree	https://github.com/HaFred/leetcode.py/commit/d18a0d9bd9a98e6f85c0c0c6f5effc6faead31f4
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
d18a0d9	https://github.com/HaFred/leetcode.py/commit/d18a0d9bd9a98e6f85c0c0c6f5effc6faead31f4
	https://github.com/HaFred/leetcode.py/blob/d18a0d9bd9a98e6f85c0c0c6f5effc6faead31f4/python
	https://github.com/HaFred/leetcode.py/tree/d18a0d9bd9a98e6f85c0c0c6f5effc6faead31f4
binary trees, list manipulation	https://github.com/HaFred/leetcode.py/commit/6bc674966c75bcb27d25429e91b93dd63005327e
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
6bc6749	https://github.com/HaFred/leetcode.py/commit/6bc674966c75bcb27d25429e91b93dd63005327e
	https://github.com/HaFred/leetcode.py/blob/6bc674966c75bcb27d25429e91b93dd63005327e/python
	https://github.com/HaFred/leetcode.py/tree/6bc674966c75bcb27d25429e91b93dd63005327e
128 commits and comments for 328	https://github.com/HaFred/leetcode.py/commit/64959ae7dea1c6ea79ce4d8d037c05740a086bd1
	https://github.com/HaFred
HaFred	https://github.com/HaFred/leetcode.py/commits?author=HaFred
64959ae	https://github.com/HaFred/leetcode.py/commit/64959ae7dea1c6ea79ce4d8d037c05740a086bd1
	https://github.com/HaFred/leetcode.py/blob/64959ae7dea1c6ea79ce4d8d037c05740a086bd1/python
	https://github.com/HaFred/leetcode.py/tree/64959ae7dea1c6ea79ce4d8d037c05740a086bd1
Next	https://github.com/HaFred/leetcode.py/commits/master/python?after=c9a9c677938fdee11840d4855423cb41c1beb9bf+34
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
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