ID Problem Show tags Hide tags AC / Tried Difficulty
2995 PSYCHOT  Psycho34 (easy) 0 / 0 (None)
436 PT07A  Play with a Tree 0 / 0 (None)
437 PT07B  The Easiest Problem 0 / 0 (None)
438 PT07C  The GbAaY Kingdom 0 / 0 (None)
439 PT07D  Let us count 1 2 3 0 / 0 (None)
440 PT07F  A short vacation in Disneyland 0 / 0 (None)
441 PT07G  Colorful Lights Party 0 / 0 (None)
442 PT07H  Search in XML 0 / 0 (None)
443 PT07J  Query on a tree III 0 / 0 (None)
404 PT07X  Vertex Cover 0 / 0 (None)
405 PT07Y  Is it a tree 0 / 0 (None)
406 PT07Z  Longest path in a tree 0 / 0 (None)
3186 PTC  Pythagorean Triple Counting 0 / 0 (None)
2213 PTIME  Prime Time 0 / 0 (None)
2608 PTR2  primes triangle (II) 0 / 0 (None)
2733 PTRELIC  Platinum Relic! 0 / 0 (None)
2607 PTRI  primes triangle (I) 0 / 0 (None)
1776 PUBLICAT  Publication 0 / 0 (None)
2611 PUCMM009  David and his Obsession 0 / 0 (None)
1956 PUCMM025  Divisor Digits 0 / 0 (None)
2191 PUCMM210  A Summatory 0 / 0 (None)
2192 PUCMM215  E 23 Stairs pattern 0 / 0 (None)
2241 PUCMM223  C You and Me 0 / 0 (None)
2405 PUCMM331  SQL Queries 0 / 0 (None)
2406 PUCMM333  Dividing Xorland 0 / 0 (None)
2407 PUCMM334  White Hats 0 / 0 (None)
2408 PUCMM335  The Rook and The Rookette 0 / 0 (None)
3037 PUCMMT02  Square-Free Product (Hard) 0 / 0 (None)
681 PUTIN  Put a Point in a Hyperspace 0 / 0 (None)
2801 PUTNIK  Putnik 0 / 0 (None)
597 PUZZLE2  Puzzle 0 / 0 (None)
1810 PUZZLE24  24-Puzzle 0 / 0 (None)
1908 PWORDS  Playing with Words 0 / 0 (None)
3357 PWRANDMOD  Power and Mod 0 / 0 (None)
1333 PWSUM  Power Sums 0 / 0 (None)
1256 PYRA  Treeramids 0 / 0 (None)
1767 PYRSUM  Pyramid Sums 0 / 0 (None)
1768 PYRSUM2  Pyramid Sums 2 0 / 0 (None)
2522 PYTRIP2  Pythagorean triples (medium) 0 / 0 (None)
2997 PYTRIP3  Counting Pythagorean Triples 0 / 0 (None)
1853 QB  Quelling Blade 0 / 0 (None)
3905 QBALL  Balls and Queries 0 / 0 (None)
1235 QCJ1  Mountain Walking 0 / 0 (None)
1236 QCJ2  Another Box Problem 0 / 0 (None)
1237 QCJ3  The Game 0 / 0 (None)
1238 QCJ4  Minimum Diameter Circle 0 / 0 (None)
480 QKP  Queens, Knights and Pawns 0 / 0 (None)
1043 QMAX3VN  Giá trị lớn nhất 3 0 / 0 (None)
2341 QN01  XOR Game 0 / 0 (None)
2342 QN02  Seating Arrangement 0 / 0 (None)
2876 QSTABLE  Queen and Stable Relationships 0 / 0 (None)
3200 QTDIVIDE  One piece 0 / 0 (None)
2857 QTGIFT1  New year love story 0 / 0 (None)
3124 QTGIFT3  Christmas is coming 0 / 0 (None)
237 QTREE  Query on a tree 0 / 0 (None)
351 QTREE2  Query on a tree II 0 / 0 (None)
682 QTREE4  Query on a tree IV 0 / 0 (None)
731 QTREE5  Query on a tree V 0 / 0 (None)
2775 QTREE6  Query on a tree VI 0 / 0 (None)
2779 QTREE7  Query on a tree VII 0 / 0 (None)
691 QUADAREA  Maximal Quadrilateral Area 0 / 0 (None)
1616 QUADRATE  Quadratic Equation 0 / 0 (None)
1024 QUEEN  Wandering Queen 0 / 0 (None)
3606 QUERYIT  SLIS 0 / 0 (None)
1178 QUERYSTR  Query Problem 0 / 0 (None)
294 QUEST4  Dungeon of Death 0 / 0 (None)
295 QUEST5  Nail Them 0 / 0 (None)
363 QUILT  Little Quilt 0 / 0 (None)
3617 R6PL  Harbinger vs Sciencepal 0 / 0 (None)
663 RABBIT1  Counting Rabbits 0 / 0 (None)
770 RACETIME  Race Against Time 0 / 0 (None)
2784 RAFANOLE  Nadal vs Djokovic 0 / 0 (None)
697 RAIL  Simplify the Railroad System 0 / 0 (None)
252 RAILROAD  Railroads 0 / 0 (None)
77 RAIN1  November Rain 0 / 0 (None)
429 RAIN2  Outside it is now raining 0 / 0 (None)
592 RAIN3  Rain 0 / 0 (None)
868 RAINBOW  Rainbow Ride 0 / 0 (None)
1067 RAINBOW2  Rainbow 0 / 0 (None)
822 RAMP  The Skatepark´s New Ramps 0 / 0 (None)
3891 RANAGIC  Random Magic Trick 0 / 0 (None)
2300 RANDG  Red And Green 0 / 0 (None)
3846 RANDMOD  Random modulo n 0 / 0 (None)
2523 RANGESUM  Range Sum 0 / 0 (None)
2489 RANGZER2  ZEROES IN RANGE V2 0 / 0 (None)
1439 RANJAN02  Tower Of Hanoi - Revisited 0 / 0 (None)
1472 RANJAN05  Road Map 0 / 0 (None)
2096 RAONE  Ra-One Numbers 0 / 0 (None)
2734 RATAR  Ratar 0 / 0 (None)
1013 RATING  Coder Ratings 0 / 0 (None)
205 RATTERN  The Room Pattern 0 / 0 (None)
3854 RCB  Richest_Beggar 0 / 0 (None)
2597 RDINNER  A Romantic Dinner Outing 0 / 0 (None)
1910 RDNWK  Road Network 0 / 0 (None)
3942 RDR2_1  Escape the New America 0 / 0 (None)
2470 RDRUG  Rage Drug 0 / 0 (None)
2019 RE1  Reverse Engineering 0 / 0 (None)
2751 REALNO  Real Numbers 0 / 0 (None)
3791 REAYZCODETST  Coding Test 0 / 0 (None)
2204 REBOUND  The return of the Cake 0 / 0 (None)

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