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jpfr12
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Joao Zhao
jpfr12
Macao
Macao
Joined Aug 23, 2025
Achievements (1)
Problem Solver
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jpfr12 solved problem Binary Search Tree 1 (#4146) on first attempt8 hours ago
jpfr12 solved problem Complementary code - 1 (#5320) on first attempt8 hours ago
jpfr12 solved problem ONLY ONE NUMBER LEFT (#8298) on 2 attempt9 hours ago
jpfr12 solved problem Bus (#6777) on first attempt9 hours ago
jpfr12 solved problem Cheating away! (#4002) on first attempt23 hours ago
jpfr12 solved problem Dijkstra Algorithm (#1365) on 3 attempt1 day ago
jpfr12 solved problem Cities and roads (#992) on first attempt1 day ago
jpfr12 solved problem Operations on graph (#2472) on first attempt1 day ago
jpfr12 solved problem Count the number of edges (#5072) on first attempt1 day ago
jpfr12 solved problem Connected components (#2269) on first attempt1 day ago
jpfr12 solved problem Coloured rain (#994) on first attempt1 day ago
jpfr12 solved problem Topological Sort (#1948) on first attempt2 days ago
jpfr12 solved problem Find a cycle (#2270) on first attempt2 days ago
jpfr12 solved problem Sum of integers on the interval (#2860) on first attempt2 days ago
jpfr12 solved problem Complete graph (#3987) on 2 attempt2 days ago
jpfr12 solved problem Two digits from four digits (#949) on first attempt2 days ago
jpfr12 solved problem Product of digits (#906) on first attempt2 days ago
jpfr12 solved problem First or last? (#903) on first attempt2 days ago
jpfr12 solved problem Sum of squares (#519) on first attempt2 days ago
jpfr12 solved problem Barrel (#7375) on 5 attempt2 days ago
jpfr12 solved problem Degree of two (#8670) on first attempt5 days ago
jpfr12 solved problem Change the one (#1612) on first attempt5 days ago
jpfr12 solved problem Invert a bit (#5316) on first attempt5 days ago
jpfr12 solved problem Recursive function 1 (#10296) on 4 attempt5 days ago
jpfr12 solved problem The prime factors (#842) on first attempt6 days ago