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Hot problems

Problem Category Points AC % Users
HCI '16 - Stacker Uncategorized 15p 14.7% 31
HCI '16 - Taxi Uncategorized 10p 24.2% 46
HCI '16 - Totient Uncategorized 12p 27.1% 19
HCI '16 - Xorpow Uncategorized 10p 23.9% 92
The Heist Uncategorized 10p 24.5% 21
HHPC1 P2 - Yuniformity Challenge Uncategorized 10p 12.9% 127
HHPC1 P3 - Yonder Ridge Uncategorized 12p 11.4% 32
HHPC1 P4 - Yet Another A+B Problem Uncategorized 10p 12.1% 118
HHPC1 P5 - Yunity Grouping Objects Uncategorized 17p 34.9% 14
CCCHK '15 J5 - No friends in the same group. CCC 15p 9.7% 33
CCCHK '15 S2 - Matching Problem CCC 10p 5.6% 22
CCCHK '15 S3 - Symmetric Cross CCC 12p 16.8% 23
CCCHK '15 S4 - When to meet? CCC 15p 21.7% 10
HopScotch II Classics 12p 23.8% 194
Icebergs Uncategorized 12p 19.6% 51
ICHB Selection Contest '17 Problem 3 - Parallel Universe Uncategorized 12p 23.0% 164
Inaho III Uncategorized 17p 18.6% 32
Inaho VI Uncategorized 10p 30.8% 42
Intervals Uncategorized 10p 20.6% 111
Expected Inversions Uncategorized 12p 33.6% 25
A Permutation Problem 2 Uncategorized 12 31.1% 24
IOI '00 P1 - Palindrome IOI 10p 18.6% 856
IOI '00 P2 - Car Parking IOI 15p 18.3% 55
IOI '00 P4 - Walls IOI 12 36.5% 266
IOI '00 P5 - Post Office IOI 15p 40.6% 186
IOI '01 P1 - Mobile Phones IOI 15p 27.3% 734
IOI '01 P2 - Ioiwari Game IOI 12p 33.6% 10
IOI '02 P1 - The Troublesome Frog IOI 15p 16.4% 79
IOI '03 Practice Task 1 - Balancing Act IOI 15 46.4% 126
IOI '04 P1 - Artemis IOI 15p 6.9% 69
IOI '04 P2 - Hermes IOI 15p 23.6% 189
IOI '04 P4 - Phidias IOI 10p 54.3% 1016
IOI '04 P5 - Farmer IOI 15p 13.1% 214
IOI '05 P3 - Mean Sequence IOI 12p 20.5% 292
IOI '05 P4 - Birthday IOI 12p 15.8% 146
IOI '06 P2 - Pyramid IOI 17p 22.1% 231
IOI '06 P4 - The Valley of Mexico IOI 15p 22.2% 221
IOI '07 P1 - Aliens IOI 12p 14.7% 27
IOI '07 P4 - Miners IOI 15p 21.4% 453
IOI '08 P1 - Type Printer IOI 12p 19.3% 428
IOI '09 P2 - Hiring IOI 12p 32.0% 267
IOI '09 P4 - Raisins IOI 10p 54.8% 558
IOI '09 P6 - Mecho IOI 15 14.7% 331
IOI '09 Practice Task 3 - Museum IOI 15p 46.6% 74
IOI '10 P3 - Quality of Living IOI 15p 28.8% 163
IOI '10 P3 - Quality of Living (Standard I/O) IOI 15p 28.2% 351
IOI '10 P6 - Traffic Congestion IOI 10p 18.8% 104
IOI '10 P6 - Traffic Congestion (Standard I/O) IOI 10p 33.1% 420
IOI '11 P2 - Race IOI 17p 18.5% 232
IOI '11 P2 - Race (Standard I/O) IOI 17p 15.2% 550