Solution

This repository includes the original solution of algorithm problems from these websites:

• LeetCode (Included all weekly contest solution. All related program will have prefix P, such as P218.py)

Appendix

Leetcode weekly contest problem number

Contest	Number in problem set	Real number
Biweekly Contest 19	1342	5311
Biweekly Contest 19	1343	5312
Biweekly Contest 19	1344	5313
Biweekly Contest 19	1345	5314
Weekly Contest 175	1346	5332
Weekly Contest 175	1347	5333
Weekly Contest 175	1348	5334
Weekly Contest 175	1349	5335
Weekly Contest 176	1351	5340
Weekly Contest 176	1352	5341
Weekly Contest 176	1353	5342
Weekly Contest 176	1354	5343
Biweekly Contest 20	1356	5323
Biweekly Contest 20	1357	5324
Biweekly Contest 20	1358	5325
Biweekly Contest 20	1359	5326
Weekly Contest 177	1360	5169
Weekly Contest 177	1361	5170
Weekly Contest 177	1362	5171
Weekly Contest 177	1363	5172
Weekly Contest 178	1365	5344
Weekly Contest 178	1366	5345
Weekly Contest 178	1367	5346
Weekly Contest 178	1368	5347
Biweekly Contest 21	1370	5336
Biweekly Contest 21	1371	5337
Biweekly Contest 21	1372	5338
Biweekly Contest 21	1373	5339
Weekly Contest 179	1374	5352
Weekly Contest 179	1375	5353
Weekly Contest 179	1376	5354
Weekly Contest 179	1377	5355
Weekly Contest 180	1380	5356
Weekly Contest 180	1381	5357
Weekly Contest 180	1382	5358
Weekly Contest 180	1383	5359
Biweekly Contest 22	1385	5348
Biweekly Contest 22	1386	5349
Biweekly Contest 22	1387	5350
Biweekly Contest 22	1388	5351
Weekly Contest 181	1389	5364
Weekly Contest 181	1390	5178
Weekly Contest 181	1391	5366
Weekly Contest 181	1392	5367
Weekly Contest 182	1394	5368
Weekly Contest 182	1395	5369
Weekly Contest 182	1396	5370
Weekly Contest 182	1397	5371
Biweekly Contest 23	1399	5360
Biweekly Contest 23	1400	5362
Biweekly Contest 23	1401	5361
Biweekly Contest 23	1402	5363
Weekly Contest 183	1403	5376
Weekly Contest 183	1404	5377
Weekly Contest 183	1405	5195
Weekly Contest 183	1406	5379
Weekly Contest 184	1408	5380
Weekly Contest 184	1409	5381
Weekly Contest 184	1410	5382
Weekly Contest 184	1411	5383
Biweekly Contest 24	1413	5372
Biweekly Contest 24	1414	5373
Biweekly Contest 24	1415	5374
Biweekly Contest 24	1416	5375
Weekly Contest 185	1417	5388
Weekly Contest 185	1418	5389
Weekly Contest 185	1419	5390
Weekly Contest 185	1420	5391
Weekly Contest 186	1422	Not attended
Weekly Contest 186	1423	Not attended
Weekly Contest 186	1424	Not attended
Weekly Contest 186	1425	Not attended
Biweekly Contest 25	1431	5384
Biweekly Contest 25	1432	5385
Biweekly Contest 25	1433	5386
Biweekly Contest 25	1434	5387
Weekly Contest 187	1436	5400
Weekly Contest 187	1437	5401
Weekly Contest 187	1438	5402
Weekly Contest 187	1439	5403
Weekly Contest 188	1441	5404
Weekly Contest 188	1442	5405
Weekly Contest 188	1443	5406
Weekly Contest 188	1444	5407
Biweekly Contest 26	1446	5396
Biweekly Contest 26	1447	5397
Biweekly Contest 26	1448	5398
Biweekly Contest 26	1449	5399
Weekly Contest 189	1450	5412
Weekly Contest 189	1451	5413
Weekly Contest 189	1452	5414
Weekly Contest 189	1453	5415
Weekly Contest 190	1455	5416
Weekly Contest 190	1456	5417
Weekly Contest 190	1457	5418
Weekly Contest 190	1458	5419
Biweekly Contest 27	1460	Not attended
Biweekly Contest 27	1461	Not attended
Biweekly Contest 27	1462	Not attended
Biweekly Contest 27	1463	Not attended
Weekly Contest 191	1464	Not attended
Weekly Contest 191	1465	Not attended
Weekly Contest 191	1466	Not attended
Weekly Contest 191	1467	Not attended
Weekly Contest 192	1470	Not attended
Weekly Contest 192	1471	Not attended
Weekly Contest 192	1472	Not attended
Weekly Contest 192	1473	Not attended
Biweekly Contest 28	1475	Not attended
Biweekly Contest 28	1476	Not attended
Biweekly Contest 28	1477	Not attended
Biweekly Contest 28	1478	Not attended
Weekly Contest 194	1486	5440
Weekly Contest 194	1487	5441
Weekly Contest 194	1488	5442
Weekly Contest 194	1489	5443
Biweekly Contest 29	1491	5432
Biweekly Contest 29	1492	5433
Biweekly Contest 29	1493	5434
Biweekly Contest 29	1494	5435
Weekly Contest 195	1496	5448
Weekly Contest 195	1497	5449
Weekly Contest 195	1498	5450
Weekly Contest 195	1499	5451
Weekly Contest 196	1502	Not attend
Weekly Contest 196	1503	Not attend
Weekly Contest 196	1504	Not attend
Weekly Contest 196	1505	Not attend
Biweekly Contest 30	1507	5177
Biweekly Contest 30	1508	5445
Biweekly Contest 30	1509	5446
Biweekly Contest 30	1510	5447
Weekly Contest 197	1512	Not attend
Weekly Contest 197	1513	Not attend
Weekly Contest 197	1514	Not attend
Weekly Contest 197	1515	Not attend
Weekly Contest 198	1518	Unknown
Weekly Contest 198	1519	Unknown
Weekly Contest 198	1520	Unknown
Weekly Contest 198	1521	Unknown
Biweekly Contest 31	1523	Not attend
Biweekly Contest 31	1524	Not attend
Biweekly Contest 31	1525	Not attend
Biweekly Contest 31	1526	Not attend
Weekly Contest 199	1528	5472
Weekly Contest 199	1529	5473
Weekly Contest 199	1530	5474
Weekly Contest 199	1531	5462
Weekly Contest 200	1534	Not attend
Weekly Contest 200	1535	Not attend
Weekly Contest 200	1536	Not attend
Weekly Contest 200	1537	Not attend
Biweekly Contest 32	1539	Unknown
Biweekly Contest 32	1540	Unknown
Biweekly Contest 32	1541	Unknown
Biweekly Contest 32	1542	Unknown
Weekly Contest 201	1543	5483
Weekly Contest 201	1544	5484
Weekly Contest 201	1545	5471
Weekly Contest 201	1546	5486
Weekly Contest 202	1550	5185
Weekly Contest 202	1551	5488
Weekly Contest 202	1552	5489
Weekly Contest 202	1553	5490
Biweekly Contest 33	1556	Not attend
Biweekly Contest 33	1557	Not attend
Biweekly Contest 33	1558	Not attend
Biweekly Contest 33	1559	Not attend
Weekly Contest 203	1560	5495
Weekly Contest 203	1561	5496
Weekly Contest 203	1562	5497
Weekly Contest 203	1563	5498
Weekly Contest 204	1566	5499
Weekly Contest 204	1567	5500
Weekly Contest 204	1568	5501
Weekly Contest 204	1569	5502
Biweekly Contest 34	1572	Not attend
Biweekly Contest 34	1573	Not attend
Biweekly Contest 34	1574	Not attend
Biweekly Contest 34	1575	Not attend
Weekly Contest 205	1576	5507
Weekly Contest 205	1577	5508
Weekly Contest 205	1578	5509
Weekly Contest 205	1579	5510
Weekly Contest 206	1582	5511
Weekly Contest 206	1583	5512
Weekly Contest 206	1584	5513
Weekly Contest 206	1585	5514
Biweekly Contest 34	1588	5503
Biweekly Contest 34	1589	5505
Biweekly Contest 34	1590	5504
Biweekly Contest 34	1591	5506
Weekly Contest 207	1592	5519
Weekly Contest 207	1593	5520
Weekly Contest 207	1594	5521
Weekly Contest 207	1595	5522
Weekly Contest 209	1608	5531
Weekly Contest 209	1609	5532
Weekly Contest 209	1610	5534
Weekly Contest 209	1611	5533
Weekly Contest 210	1614	5535
Weekly Contest 210	1615	5536
Weekly Contest 210	1616	5537
Weekly Contest 210	1617	5538
Weekly Contest 211	1624	5543
Weekly Contest 211	1625	5544
Weekly Contest 211	1626	5545
Weekly Contest 211	1627	5128
Weekly Contest 212	1629	Unknown
Weekly Contest 212	1630	Unknown
Weekly Contest 212	1631	Unknown
Weekly Contest 212	1632	Unknown
Biweekly Contest 38	1636	5539
Biweekly Contest 38	1637	5540
Biweekly Contest 38	1638	5541
Biweekly Contest 38	1639	5542
Weekly Contest 213	1640	5554
Weekly Contest 213	1641	5555
Weekly Contest 213	1642	5556
Weekly Contest 213	1643	5600
Weekly Contest 214	1646	5561
Weekly Contest 214	1647	5562
Weekly Contest 214	1648	5563
Weekly Contest 214	1649	5564
Biweekly Contest 39	1652	5550
Biweekly Contest 39	1653	5551
Biweekly Contest 39	1654	5552
Biweekly Contest 39	1655	5553
Weekly Contest 215	1656	5601
Weekly Contest 215	1657	5603
Weekly Contest 215	1658	5602
Weekly Contest 215	1659	5604
Weekly Contest 216	1662	5605
Weekly Contest 216	1663	5606
Weekly Contest 216	1664	5607
Weekly Contest 216	1665	5608
Weekly Contest 217	1672	5613
Weekly Contest 217	1673	5614
Weekly Contest 217	1674	5615
Weekly Contest 217	1675	5616
Biweekly Contest 41	1684	5609
Biweekly Contest 41	1685	5610
Biweekly Contest 41	1686	5611
Biweekly Contest 41	1687	5612
Weekly Contest 220	1694	5629
Weekly Contest 220	1695	5630
Weekly Contest 220	1696	5631
Weekly Contest 220	1697	5632
Biweekly Contest 41	1699	5621
Biweekly Contest 41	1700	5622
Biweekly Contest 41	1701	5623
Biweekly Contest 41	1702	5624
Weekly Contest 221	1704	5637
Weekly Contest 221	1705	5638
Weekly Contest 221	1706	5210
Weekly Contest 221	1707	5640
Biweekly Contest 43	1716	5633
Biweekly Contest 43	1717	5634
Biweekly Contest 43	1718	5635
Biweekly Contest 43	1719	5636
Weekly Contest 223	1720	5649
Weekly Contest 223	1721	5652
Weekly Contest 223	1722	5650
Weekly Contest 223	1723	5639
Weekly Contest 224	1725	5653
Weekly Contest 224	1726	5243
Weekly Contest 224	1727	5655
Weekly Contest 224	1728	5529
Biweekly Contest 44	1732	5645
Biweekly Contest 44	1733	5646
Biweekly Contest 44	1734	5647
Biweekly Contest 44	1735	5648
Weekly Contest 225	1736	5661
Weekly Contest 225	1737	5662
Weekly Contest 225	1738	5663
Weekly Contest 225	1739	5664
Weekly Contest 226	1741	5654
Weekly Contest 226	1742	5665
Weekly Contest 226	1743	5667
Weekly Contest 226	1744	5666
Weekly Contest 228	1758	5676
Weekly Contest 228	1759	5677
Weekly Contest 228	1760	5678
Weekly Contest 228	1761	5679
Weekly Contest 230	1773	5689
Weekly Contest 230	1774	5690
Weekly Contest 230	1775	5691
Weekly Contest 230	1776	5692
Weekly Contest 231	1784	5697
Weekly Contest 231	1785	5698
Weekly Contest 231	1786	5699
Weekly Contest 231	1787	5700
Weekly Contest 232	1790	5701
Weekly Contest 232	1791	5702
Weekly Contest 232	1792	5703
Weekly Contest 232	1793	5704
Biweekly Contest 49	1812	5705
Biweekly Contest 49	1813	5706
Biweekly Contest 49	1814	5708
Biweekly Contest 49	1815	5707
Biweekly Contest 52	1859	5742
Biweekly Contest 52	1860	5743
Biweekly Contest 52	1861	5744
Biweekly Contest 52	1862	5212
Biweekly Contest 53	1876	5754
Biweekly Contest 53	1877	5755
Biweekly Contest 53	1878	5757
Biweekly Contest 53	1879	5756
Biweekly Contest 54	1892	5767
Biweekly Contest 54	1893	5768
Biweekly Contest 54	1894	5202
Biweekly Contest 54	1895	5770
Weekly Contest 245	1896	5784
Weekly Contest 245	1897	5786
Weekly Contest 245	1898	5785
Weekly Contest 245	1899	5787
Biweekly Contest 55	1909	5780
Biweekly Contest 55	1910	5781
Biweekly Contest 55	1911	5782
Biweekly Contest 55	1912	5783
Weekly Contest 248	1920	5800
Weekly Contest 248	1921	5801
Weekly Contest 248	1922	5802
Weekly Contest 248	1923	5803
Biweekly Contest 56	1925	5792
Biweekly Contest 56	1926	5793
Biweekly Contest 56	1927	5794
Biweekly Contest 56	1928	5795
Weekly Contest 249	1933	5808
Weekly Contest 249	1934	5809
Weekly Contest 249	1935	5811
Weekly Contest 249	1936	5810
Weekly Contest 253	1961	5838
Weekly Contest 253	1962	5839
Weekly Contest 253	1963	5840
Weekly Contest 253	1964	5841
Weekly Contest 255	1979	5850
Weekly Contest 255	1980	5851
Weekly Contest 255	1981	5852
Weekly Contest 255	1982	5853
Weekly Contest 256	1984	5854
Weekly Contest 256	1985	5855
Weekly Contest 256	1986	5856
Weekly Contest 256	1987	5857
Weekly Contest 261	2027	5890
Weekly Contest 261	2028	5891
Weekly Contest 261	2029	5892
Weekly Contest 261	2030	5893
Weekly Contest 264	2047	5906
Weekly Contest 264	2048	5907
Weekly Contest 264	2049	5908
Weekly Contest 264	2050	5909
Weekly Contest 265	2057	5914
Weekly Contest 265	2058	5915
Weekly Contest 265	2059	5916
Weekly Contest 265	2060	5917
Weekly Contest 267	2073	5926
Weekly Contest 267	2074	5927
Weekly Contest 267	2075	5928
Weekly Contest 267	2076	5929

30-Day Leetcoding Challenge problem number (April 2020) (Done)

Week	Day	Real number
1	1	3283
1	2	3284
1	3	3285
1	4	3286
1	5	3287
1	6	3288
1	7	3289
2	1	3290
2	2	3291
2	3	3292
2	4	3293
2	5	3297
2	6	3298
2	7	3299
3	1	3300
3	2	3301
3	3	3302
3	4	3303
3	5	3304
3	6	3305
3	7	3306
4	1	3307
4	2	3308
4	3	3309
4	4	3310
4	5	3311
4	6	3312
4	7	3313
5	1	3314
5	2	3315

30-Day Leetcoding Challenge problem number (May 2020) (Done)

Week	Day	Real number	Number in problem set
1	1	3316	278
1	2	3317	771
1	3	3318	383
1	4	3319	476
1	5	3320	387
1	6	3321	169
1	7	3322	993
2	1	3323	1232
2	2	3324	367
2	3	3325	997
2	4	3326	733
2	5	3327	540
2	6	3328	402
2	7	3329	208
3	1	3330	918
3	2	3331	328
3	3	3332	438
3	4	3333	567
3	5	3334	902
3	6	3335	230
3	7	3336	1277
4	1	3337	451
4	2	3338	986
4	3	3339	1008
4	4	3340	1035
4	5	3341	525
4	6	3342	886
4	7	3343	338
5	1	3344	207
5	2	3345	973
5	3	3346	72

30-Day Leetcoding Challenge problem number (June 2020) (Done)

Week	Day	Real number	Number in problem set
1	1	3347	226
1	2	3348	237
1	3	3349	1029
1	4	3350	344
1	5	3351	528
1	6	3352	406
1	7	3353	518
2	1	3354	231
2	2	3355	392
2	3	3356	35
2	4	3357	75
2	5	3358	380
2	6	3359	368
2	7	3360	787
3	1	3361	700
3	2	3362	468
3	3	3363	130
3	4	3364	275
3	5	3365	1044
3	6	3366	60
3	7	3367	174
4	1	3368	137
4	2	3369	222
4	3	3370	96
4	4	3371	287
4	5	3372	129
4	6	3373	279
4	7	3374	332
5	1	3375	62
5	2	3376	212

30-Day Leetcoding Challenge problem number (July 2020 (Done))

Week	Day	Real number	Number in problem set
1	1	3377	441
1	2	3378	107
1	3	3379	957
1	4	3380	264
1	5	3381	461
1	6	3382	66
1	7	3383	463
2	1	3384	15
2	2	3385	662
2	3	3386	430
2	4	3387	78
2	5	3388	190
2	6	3389	100
2	7	3390	1344
3	1	3391	151
3	2	3392	50
3	3	3393	347
3	4	3394	210
3	5	3395	67
3	6	3396	203
3	7	3397	79
4	1	3398	103
4	2	3399	260
4	3	3400	797
4	4	3401	154
4	5	3402	258
4	6	3403	106
4	7	3404	621
5	1	3405	309
5	2	3406	140
5	3	3407	70

30-Day Leetcoding Challenge problem number (August 2020 (Done))

Week	Day	Real number	Number in problem set
1	1	3409	520
1	2	3410	705
1	3	3411	125
1	4	3412	342
1	5	3413	211
1	6	3414	442
1	7	3415	987
2	1	3417	437
2	2	3418	994
2	3	3419	171
2	4	3420	274
2	5	3421	119
2	6	3422	1286
2	7	3423	409
3	1	3425	435
3	2	3426	123
3	3	3427	1103
3	4	3428	927
3	5	3429	824
3	6	3430	143
3	7	3431	905
4	1	3432	497
4	2	3434	1032
4	3	3435	404
4	4	3436	983
4	5	3437	412
4	6	3438	436
4	7	3439	470
5	1	3441	969
5	2	3442	952
5	3	3443	450

30-Day Leetcoding Challenge problem number (September 2020 (Done))

Week	Day	Real number	Number in problem set
1	1	3445	949
1	2	3446	220
1	3	3447	459
1	4	3448	763
1	5	3449	1305
1	6	3450	835
1	7	3451	290
2	1	3453	1022
2	2	3454	165
2	3	3455	299
2	4	3456	152
2	5	3457	216
2	6	3458	57
2	7	3459	198
3	1	3461	58
3	2	3462	421
3	3	3463	1041
3	4	3464	121
3	5	3465	1291
3	6	3466	980
3	7	3467	1094
4	1	3469	229
4	2	3470	134
4	3	3471	389
4	4	3472	179
4	5	3473	495
4	6	3474	399
4	7	3475	713
5	1	3477	199
5	2	3478	41

30-Day Leetcoding Challenge problem number (October 2020 (Done))

Week	Day	Real number	Number in problem set
1	1	3480	933
1	2	3481	39
1	3	3482	532
1	4	3483	1288
1	5	3484	1009
1	6	3485	701
1	7	3486	61
2	1	3488	704
2	2	3489	449
2	3	3490	452
2	4	3491	316
2	5	3492	859
2	6	3493	148
2	7	3494	213
3	1	3496	189
3	2	3497	74
3	3	3498	187
3	4	3499	188
3	5	3500	1007
3	6	3501	133
3	7	3502	735
4	1	3504	111
4	2	3505	456
4	3	3506	948
4	4	3507	1510
4	5	3508	799
4	6	3509	142
4	7	3510	228
5	1	3512	849
5	2	3513	673
5	3	3514	99

30-Day Leetcoding Challenge problem number (November 2020 (Done))

Week	Day	Real number	Number in problem set
1	1	3516	1290
1	2	3517	147
1	3	3518	1446
1	4	3519	310
1	5	3520	1217
1	6	3521	1283
1	7	3522	445
2	1	3524	563
2	2	3525	1026
2	3	3526	832
2	4	3527	593
2	5	3528	47
2	6	3529	116
2	7	3530	458
3	1	3532	938
3	2	3533	845
3	3	3534	858
3	4	3535	56
3	4	3535	56
3	5	3536	394
3	6	3537	81
3	7	3538	902
4	1	3540	804
4	2	3541	337
4	3	3542	227
4	4	3543	1015
4	5	3544	395
4	6	3545	416
4	7	3546	239
5	1	3548	1316
5	2	3549	218

30-Day Leetcoding Challenge problem number (December 2020 (Done))

Week	Day	Real number	Number in problem set
1	1	3551	104
1	2	3552	382
1	3	3553	897
1	4	3554	1492
1	5	3555	605
1	6	3556	117
1	7	3557	59
2	1	3559	1010
2	2	3560	173
2	3	3561	941
2	4	3562	80
2	5	3563	865
2	6	3564	312
2	7	3565	131
3	1	3567	977
3	2	3568	98
3	3	3569	454
3	4	3570	334
3	5	3571	1463
3	6	3572	880
3	7	3573	910
4	1	3577	110
4	2	3578	556
4	3	3579	24
4	4	3580	498
4	5	3581	91
4	6	3582	1345
4	7	3583	754
5	1	3585	1457
5	2	3586	289
5	3	3587	84

30-Day Leetcoding Challenge problem number (January 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3589	1640
1	2	3590	1379
1	3	3591	526
1	4	3592	21
1	5	3593	82
1	6	3594	1539
1	7	3595	3
2	1	3597	1662
2	2	3598	127
2	3	3599	1649
2	4	3600	88
2	5	3601	2
2	6	3602	881
2	7	3603	1658
3	1	3605	1646
3	2	3606	215
3	3	3607	1641
3	4	3608	1679
3	5	3609	5
3	6	3610	20
3	7	3611	1673
4	1	3613	1657
4	2	3614	1329
4	3	3615	23
4	4	3616	1437
4	5	3617	1631
4	6	3618	1680
5	1	3620	987

30-Day Leetcoding Challenge problem number (February 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3625	191
1	3	3627	141
1	4	3628	594
1	5	3629	71
1	6	3630	199
1	7	3631	821
2	1	3633	284
2	2	3634	538
2	3	3635	138
2	4	3636	242
2	5	3637	1342
2	6	3638	1091
2	7	3639	785
3	1	3641	1337
3	2	3642	784
3	3	3643	11
3	4	3644	413
3	5	3645	1249
3	6	3646	13
3	7	3647	991
4	1	3649	524
4	2	3650	240
4	3	3651	856
4	4	3652	581
4	5	3653	946
4	6	3654	29
4	7	3655	895

30-Day Leetcoding Challenge problem number (March 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3657	575
1	2	3658	645
1	3	3659	268
1	4	3660	160
1	5	3661	637
1	6	3662	820
1	7	3663	706
2	1	3665	1332
2	2	3666	623
2	3	3667	12
2	4	3668	322
2	5	3669	1461
2	6	3670	823
2	7	3671	1721
3	1	3673	535
3	2	3674	714
3	3	3675	478
3	4	3676	376
3	5	3677	841
3	6	3678	1396
3	7	3679	869
4	1	3681	966
4	2	3682	923
4	3	3683	870
4	4	3684	417
4	5	3685	916
4	6	3686	647
4	7	3687	423
5	1	3689	971

30-Day Leetcoding Challenge problem number (April 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3693	234
1	2	3694	474
1	3	3695	32
1	5	3697	775
1	6	3698	1551
1	7	3699	1704
2	1	3701	17
2	2	3702	953
2	3	3703	329
2	4	3704	1302
2	5	3705	667
2	6	3706	341
2	7	3707	86
3	1	3709	509
3	2	3710	1209
3	3	3711	1074
3	4	3712	19
3	5	3713	377
3	6	3714	589
3	7	3715	120
4	1	3717	554
4	2	3718	696
4	3	3719	1192
4	4	3720	48
4	5	3721	1642
4	6	3722	326
4	7	3723	63
5	1	3725	34
5	2	3726	970

30-Day Leetcoding Challenge problem number (May 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3728	745
1	2	3729	630
1	3	3730	1480
1	4	3731	665
1	5	3732	45
1	6	3733	109
1	7	3734	583
2	1	3736	906
2	2	3737	1354
2	3	3738	204
2	4	3739	1423
2	5	3740	304
2	6	3741	816
2	7	3742	114
3	1	3744	65
3	2	3745	968
3	3	3746	1048
3	4	3747	609
3	5	3748	462
3	6	3749	102
3	7	3750	890
4	1	3752	51
4	2	3753	943
4	3	3754	709
4	4	3755	150
4	5	3756	1689
4	6	3757	318
4	7	3758	1695
5	1	3760	52
5	2	3761	164
5	3	3762	1268

30-Day Leetcoding Challenge problem number (June 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3764	695
1	2	3765	97
1	3	3766	1465
1	4	3767	752
1	5	3768	1383
1	6	3769	128
1	7	3770	746
2	1	3772	105
2	2	3773	1696
2	3	3774	729
2	4	3775	1690
2	5	3776	871
2	7	3778	1710
3	1	3780	473
3	2	3781	22
3	3	3782	495
3	4	3783	307
3	5	3784	629
3	6	3785	778
3	7	3786	118
4	1	3788	792
4	2	3789	92
4	3	3790	576
4	4	3791	684
4	5	3792	315
4	6	3793	135
4	7	3794	1047
5	1	3796	1004
5	2	3797	236

30-Day Leetcoding Challenge problem number (July 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3800	658
1	2	3801	363
1	3	3802	1220
1	5	3803	566
1	6	3804	1338
1	7	3805	378
2	1	3807	718
2	2	3808	300
2	5	3811	205
2	6	3812	162
2	7	3813	791
3	1	3815	611
3	2	3816	18
3	3	3817	927
3	4	3818	25
3	5	3819	235
3	6	3820	384
3	7	3821	838
4	1	3823	915
4	2	3824	814
4	3	3825	126
4	4	3826	600
4	5	3827	108
4	6	3828	16
4	7	3829	932
5	1	3831	542
5	2	3832	677
5	3	3833	42

30-Day Leetcoding Challenge problem number (August 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3835	827
1	2	3836	1
1	3	3837	90
1	4	3838	113
1	5	3870	877
1	6	3871	429
1	7	3872	132
2	2	3875	415
2	3	3876	926
2	4	3877	954
2	5	3887	49
2	6	3888	73
2	7	3889	546
3	1	3891	76
3	2	3892	303
3	3	3899	1448
3	4	3902	91
3	5	3903	1339
3	6	3904	36
3	7	3905	37
4	1	3907	850
4	2	3908	653
4	3	3917	537
4	4	3918	633
4	5	3920	331
4	6	3921	522
5	1	3957	598
5	2	3958	153

30-Day Leetcoding Challenge problem number (September 2021 (Done))

Week	Day	Real number	Number in problem set
1	1	3960	565
1	2	3961	95
1	4	3963	834
1	5	3964	899
1	6	3965	1629
1	7	3966	206
2	1	3968	848
2	2	3969	764
2	3	3970	446
2	4	3971	224
2	6	3973	1189
2	7	3974	917
3	1	3976	978
3	2	3977	54
3	3	3978	350
3	4	3979	282
3	5	3980	115
3	6	3981	1275
3	7	3982	485
4	1	3984	1239
4	2	3985	1328
4	3	3986	1137
4	4	3987	1293
4	5	3988	782
4	6	3989	929
4	7	3990	922
5	1	3992	725
5	2	3993	698