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jpfr12
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Joao Zhao
jpfr12
Macao
Macao
Joined Aug 23, 2025
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Problems41
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jpfr12 solved problem Divide the apples - 1 (#4716) on first attempt10 days ago
jpfr12 solved problem Divide the apples - 2 (#4717) on first attempt10 days ago
jpfr12 solved problem Increase by 2 (#904) on first attempt10 days ago
jpfr12 solved problem Decomposition of three-digit number (#935) on first attempt10 days ago
jpfr12 solved problem Tall Building (#12300) on first attempt10 days ago
jpfr12 has joined contest Weekend Practice #1510 days ago
jpfr12 has joined contest Weekend Practice #1710 days ago
jpfr12 solved problem Gifts (#392) on 2 attempt12 days ago
jpfr12 solved problem Checking for an undirected graph (#2470) on 5 attempt17 days ago
jpfr12 solved problem Cycles of Lanes (#370) on first attempt17 days ago
jpfr12 solved problem Is there a cycle? (#4004) on first attempt20 days ago
jpfr12 solved problem Tree (#468) on first attempt2 months ago
jpfr12 solved problem Fibonacci (#4730) on first attempt2 months ago
jpfr12 solved problem Quadratic equation (#911) on 4 attempt2 months ago
jpfr12 solved problem Queen Move (#1417) on 3 attempt2 months ago
jpfr12 has joined contest Educational Round #52 months ago
jpfr12 solved problem Maximum sum on a tree (#973) on first attempt2 months ago
jpfr12 has joined contest Educational Round #42 months ago
jpfr12 solved problem Gardener-painter (#17) on first attempt3 months ago
jpfr12 solved problem Saucepans and lids (#7335) on first attempt3 months ago
jpfr12 solved problem Taxi (#8352) on first attempt3 months ago
jpfr12 solved problem Number of maximums (#7832) on 2 attempt3 months ago
jpfr12 has joined contest Educational Round #33 months ago
jpfr12 has joined contest Blitz Round #33 months ago
jpfr12 solved problem Teleportation (#10405) on 4 attempt3 months ago