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jpfr12
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Joao Zhao
jpfr12
Macao
Macao
Joined Aug 23, 2025
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Problems28
Submissions37
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jpfr12 solved problem Maximum sum on a tree (#973) on first attempt3 hours ago
jpfr12 has joined contest Educational Round #44 days ago
jpfr12 solved problem Gardener-painter (#17) on first attempt8 days ago
jpfr12 solved problem Saucepans and lids (#7335) on first attempt13 days ago
jpfr12 solved problem Taxi (#8352) on first attempt18 days ago
jpfr12 solved problem Number of maximums (#7832) on 2 attempt18 days ago
jpfr12 has joined contest Educational Round #318 days ago
jpfr12 has joined contest Blitz Round #329 days ago
jpfr12 solved problem Teleportation (#10405) on 4 attempt1 month ago
jpfr12 solved problem Fun function (#8304) on first attempt1 month ago
jpfr12 solved problem Average value - 1 (#8358) on first attempt1 month ago
jpfr12 has joined contest Educational Round #21 month ago
jpfr12 solved problem Is it a Tree? (#977) on first attempt1 month ago
jpfr12 has joined contest Trees1 month ago
jpfr12 solved problem Easy Triangles (#12227) on first attempt1 month ago
jpfr12 solved problem Prefix Suffix Reconstruction (#12226) on first attempt1 month ago
jpfr12 has joined contest Blitz Round #21 month ago
jpfr12 solved problem Meet in the middle (#11431) on 3 attempt1 month ago
jpfr12 solved problem Infinite Sequence - 2 (#1212) on 7 attempt1 month ago
jpfr12 solved problem Divide into 2 groups (#11339) on 2 attempt1 month ago
jpfr12 solved problem Four-digit Armstrong numbers (#8642) on first attempt1 month ago
jpfr12 solved problem Olympiad in Hogwarts (#4857) on first attempt1 month ago
jpfr12 solved problem Egypt (#1265) on first attempt1 month ago
jpfr12 has joined contest Educational Round #11 month ago
jpfr12 solved problem Connectivity (#982) on first attempt1 month ago