Python

Easy 👉 my solution#

|Two Number Sum| |Validate Subsequence| |1119| |1480| |1108| |1672| |1431| |1470| |1512| |771| |1603| |1365| |1528| |1281| |1342| |1313| |1165| |1720| |1678| |1389| |1221| |1486| |1773| |1791| |1859| |2006| |938|

SQL

Hard👉 my solution#

|1767| |1479| |1369| |1651| |1384| |1412| |1225| |569| |618| |1097| |1159| |1635| |615| |1194| |1127 |1336| |601| |571| |185| |1645| |579 |262|

Medium#

|1843| |1841| |1445| |1393| |1270| |1308| |1285| |1699| |1421| |1596| |1709| |1398| |1468| |1715| |534| |1364| |1077| |1440| |1355| |1613| |1532| |1112| |1204| |1321| |608| |1783| |1747| |1264| |1193| |1164| |1126| |1045| |570| |1549| |626| |1459| |1158| |1174| |612| |1501| |1341| |602| |585| |1212| |1555| 574| |580| |178| |1070| |1149| |1205| |550| |1098| |180| |1811| |578| |184| |1454| |1132| |177| |614| |1831| |1867| |1875| |1907|

Easy#

|1757| |1683| |1693| |1350| |1587| |1581| |1571| |1378| |1303| |1623| |1484| |1407| |1069| |1565| |1251| |1068| |1173| |1179| |511| |1661| |613| |1435| |1327| |627| |1148| |586| |1280| |1677| |584| |1082| |1511| |1633| |1527| |1729| |1050| |1517| |577| |1211| |620| |610| |1543| |1241| |1294| |1075| |603| |1113| |607| |182| |1667| |175| |181||197| |1322| |183| |512| |595| |596 | |196| |176| |1607| |1084| |1141| |1076| |1495| |1084| |1141| |1076| |1731| |1495| |1083| |619| |597| |1142| |1741| |1777| |1789| |1795| |1809| |1107| |1821| |1873| |1853| |1890