Our Patreons
Diamond Sponsors
Steven & Felix Halim
Reinardus Pradhitya
Gold Sponsors
--- YOUR NAME HERE ----
Silver Sponsors
--- YOUR NAME HERE ----
Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Browse Problems
	
	| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
| 
			                                 | 
			10800 - Not That Kind of Graph | 10870 | 
			
			
	 23.17% 
	 | 
									2335 | 
	 75.29% 
	 | 
                        		|
| 
			                                 | 
			10801 - Lift Hopping | 14409 | 
			
			
	 49.14% 
	 | 
									3861 | 
	 92.33% 
	 | 
                        		|
| 
			                                 | 
			10802 - Lex Smallest Drive | 1806 | 
			
			
	 24.25% 
	 | 
									432 | 
	 63.43% 
	 | 
                        		|
| 
			                                 | 
			10803 - Thunder Mountain | 8106 | 
			
			
	 38.39% 
	 | 
									2050 | 
	 88.78% 
	 | 
                        		|
| 
			                                 | 
			10804 - Gopher Strategy | 3448 | 
			
			
	 24.54% 
	 | 
									608 | 
	 82.07% 
	 | 
                        		|
| 
			                                 | 
			10805 - Cockroach Escape Networks | 2089 | 
			
			
	 32.17% 
	 | 
									604 | 
	 69.87% 
	 | 
                        		|
| 
			                                 | 
			10806 - Dijkstra, Dijkstra. | 9024 | 
			
			
	 36.78% 
	 | 
									2163 | 
	 77.39% 
	 | 
                        		|
| 
			                                 | 
			10807 - Prim | 2917 | 
			
			
	 17.72% 
	 | 
									535 | 
	 50.84% 
	 | 
                        		|
| 
			                                 | 
			10808 - Rational Resistors | 959 | 
			
			
	 23.25% 
	 | 
									139 | 
	 65.47% 
	 | 
                        		|
| 
			                                 | 
			10809 - Great Circle | 557 | 
			
			
	 23.34% 
	 | 
									149 | 
	 63.76% 
	 | 
                        		|
| 
			                                 | 
			10810 - Ultra-QuickSort | 29391 | 
			
			
	 36.16% 
	 | 
									6597 | 
	 80.57% 
	 | 
                        		|
| 
			                                 | 
			10811 - Up the Ante | 414 | 
			
			
	 48.31% 
	 | 
									153 | 
	 78.43% 
	 | 
                        		|
| 
			                                 | 
			10812 - Beat the Spread! | 75953 | 
			
			
	 39.48% 
	 | 
									22714 | 
	 93.70% 
	 | 
                        		|
| 
			                                 | 
			10813 - Traditional BINGO | 4349 | 
			
			
	 51.39% 
	 | 
									1866 | 
	 93.84% 
	 | 
                        		|
| 
			                                 | 
			10814 - Simplifying Fractions | 6722 | 
			
			
	 45.08% 
	 | 
									2538 | 
	 85.11% 
	 | 
                        		|
| 
			                                 | 
			10815 - Andy's First Dictionary | 96826 | 
			
			
	 37.38% 
	 | 
									13812 | 
	 88.96% 
	 | 
                        		|
| 
			                                 | 
			10816 - Travel in Desert | 10196 | 
			
			
	 23.72% 
	 | 
									1347 | 
	 76.17% 
	 | 
                        		|
| 
			                                 | 
			10817 - Headmaster's Headache | 10334 | 
			
			
	 36.34% 
	 | 
									1528 | 
	 88.87% 
	 | 
                        		|
| 
			                                 | 
			10818 - Dora Trip | 1021 | 
			
			
	 26.05% 
	 | 
									245 | 
	 70.61% 
	 | 
                        		|
| 
			                                 | 
			10819 - Trouble of 13-Dots | 26551 | 
			
			
	 27.60% 
	 | 
									4362 | 
	 76.04% 
	 | 
                        		|
| 
			                                 | 
			10820 - Send a Table | 9244 | 
			
			
	 59.20% 
	 | 
									2679 | 
	 91.45% 
	 | 
                        		|
| 
			                                 | 
			10821 - Constructing BST | 2695 | 
			
			
	 41.93% 
	 | 
									844 | 
	 82.70% 
	 | 
                        		|
| 
			                                 | 
			10822 - Planet of the Rock, Paper and Scissors | 1180 | 
			
			
	 24.83% 
	 | 
									260 | 
	 76.92% 
	 | 
                        		|
| 
			                                 | 
			10823 - Of Circles and Squares | 1873 | 
			
			
	 33.48% 
	 | 
									522 | 
	 80.08% 
	 | 
                        		|
| 
			                                 | 
			10824 - Regular Polygon | 1163 | 
			
			
	 35.60% 
	 | 
									214 | 
	 79.44% 
	 | 
                        		|
| 
			                                 | 
			10825 - Anagram and Multiplication | 840 | 
			
			
	 59.29% 
	 | 
									281 | 
	 83.63% 
	 | 
                        		|
| 
			                                 | 
			10826 - Hot or Cold? | 691 | 
			
			
	 31.55% 
	 | 
									238 | 
	 64.29% 
	 | 
                        		|
| 
			                                 | 
			10827 - Maximum sum on a torus | 12342 | 
			
			
	 44.56% 
	 | 
									3722 | 
	 87.78% 
	 | 
                        		|
| 
			                                 | 
			10828 - Back to Kernighan-Ritchie | 2479 | 
			
			
	 29.85% 
	 | 
									327 | 
	 80.73% 
	 | 
                        		|
| 
			                                 | 
			10829 - L-Gap Substrings | 1476 | 
			
			
	 35.84% 
	 | 
									281 | 
	 64.41% 
	 | 
                        		|
| 
			                                 | 
			10830 - A New Function | 2870 | 
			
			
	 52.09% 
	 | 
									863 | 
	 82.27% 
	 | 
                        		|
| 
			                                 | 
			10831 - Gerg's Cake | 1556 | 
			
			
	 30.53% 
	 | 
									387 | 
	 75.97% 
	 | 
                        		|
| 
			                                 | 
			10832 - Yoyodyne | 759 | 
			
			
	 40.71% 
	 | 
									306 | 
	 87.58% 
	 | 
                        		|
| 
			                                 | 
			10833 - Lunar Forest | 235 | 
			
			
	 43.83% 
	 | 
									87 | 
	 72.41% 
	 | 
                        		|
| 
			                                 | 
			10834 - The Story of Two Coins | 413 | 
			
			
	 28.81% 
	 | 
									114 | 
	 72.81% 
	 | 
                        		|
| 
			                                 | 
			10835 - Playing with Coins | 698 | 
			
			
	 36.68% 
	 | 
									183 | 
	 81.42% 
	 | 
                        		|
| 
			                                 | 
			10836 - The Maximum Term | 484 | 
			
			
	 33.26% 
	 | 
									100 | 
	 83.00% 
	 | 
                        		|
| 
			                                 | 
			10837 - A Research Problem | 1493 | 
			
			
	 35.83% 
	 | 
									243 | 
	 81.48% 
	 | 
                        		|
| 
			                                 | 
			10838 - The Pawn Chess | 695 | 
			
			
	 46.04% 
	 | 
									207 | 
	 82.13% 
	 | 
                        		|
| 
			                                 | 
			10839 - The Curse of Barbosa | 419 | 
			
			
	 45.82% 
	 | 
									158 | 
	 85.44% 
	 | 
                        		|
| 
			                                 | 
			10840 - Multi-stage Compressor | 312 | 
			
			
	 9.62% 
	 | 
									43 | 
	 32.56% 
	 | 
                        		|
| 
			                                 | 
			10841 - Lift Hopping in the Real World | 574 | 
			
			
	 40.77% 
	 | 
									179 | 
	 86.59% 
	 | 
                        		|
| 
			                                 | 
			10842 - Traffic Flow | 6123 | 
			
			
	 57.18% 
	 | 
									2201 | 
	 93.73% 
	 | 
                        		|
| 
			                                 | 
			10843 - Anne's game | 3603 | 
			
			
	 55.18% 
	 | 
									1567 | 
	 92.41% 
	 | 
                        		|
| 
			                                 | 
			10844 - Bloques | 1444 | 
			
			
	 30.40% 
	 | 
									281 | 
	 76.16% 
	 | 
                        		|
| 
			                                 | 
			10845 - The crusades | 185 | 
			
			
	 2.16% 
	 | 
									27 | 
	 11.11% 
	 | 
                        		|
| 
			                                 | 
			10846 - Reading time from a clock | 214 | 
			
			
	 19.16% 
	 | 
									49 | 
	 65.31% 
	 | 
                        		|
| 
			                                 | 
			10847 - Basic Tautologies | 336 | 
			
			
	 28.87% 
	 | 
									110 | 
	 66.36% 
	 | 
                        		|
| 
			                                 | 
			10848 - Make Palindrome Checker | 1101 | 
			
			
	 28.07% 
	 | 
									299 | 
	 81.61% 
	 | 
                        		|
| 
			                                 | 
			10849 - Move the bishop | 7604 | 
			
			
	 42.82% 
	 | 
									2201 | 
	 92.64% 
	 | 
                        		|
| 
			                                 | 
			10850 - The Gossipy Gossipers Gossip Gossips | 904 | 
			
			
	 35.18% 
	 | 
									321 | 
	 80.06% 
	 | 
                        		|
| 
			                                 | 
			10851 - 2D Hieroglyphs decoder | 2284 | 
			
			
	 68.70% 
	 | 
									1382 | 
	 96.38% 
	 | 
                        		|
| 
			                                 | 
			10852 - Less Prime | 6373 | 
			
			
	 71.72% 
	 | 
									3113 | 
	 96.66% 
	 | 
                        		|
| 
			                                 | 
			10853 - Pablito nailed a nail | 921 | 
			
			
	 14.66% 
	 | 
									194 | 
	 44.85% 
	 | 
                        		|
| 
			                                 | 
			10854 - Number of Paths | 1485 | 
			
			
	 48.75% 
	 | 
									654 | 
	 83.49% 
	 | 
                        		|
| 
			                                 | 
			10855 - Rotated square | 7988 | 
			
			
	 56.87% 
	 | 
									3688 | 
	 94.36% 
	 | 
                        		|
| 
			                                 | 
			10856 - Recover Factorial | 5697 | 
			
			
	 33.81% 
	 | 
									1242 | 
	 83.82% 
	 | 
                        		|
| 
			                                 | 
			10857 - Easter Eggs | 430 | 
			
			
	 20.23% 
	 | 
									68 | 
	 64.71% 
	 | 
                        		|
| 
			                                 | 
			10858 - Unique Factorization | 2927 | 
			
			
	 49.33% 
	 | 
									952 | 
	 91.91% 
	 | 
                        		|
| 
			                                 | 
			10859 - Placing Lampposts | 4092 | 
			
			
	 51.54% 
	 | 
									908 | 
	 88.55% 
	 | 
                        		|
| 
			                                 | 
			10860 - Many a Little makes a Mickle | 2804 | 
			
			
	 46.33% 
	 | 
									393 | 
	 86.51% 
	 | 
                        		|
| 
			                                 | 
			10861 - Security by Ambiguity | 159 | 
			
			
	 30.19% 
	 | 
									58 | 
	 62.07% 
	 | 
                        		|
| 
			                                 | 
			10862 - Connect the Cable Wires | 3645 | 
			
			
	 55.78% 
	 | 
									1592 | 
	 91.52% 
	 | 
                        		|
| 
			                                 | 
			10863 - Shovelling Snow | 494 | 
			
			
	 24.90% 
	 | 
									98 | 
	 74.49% 
	 | 
                        		|
| 
			                                 | 
			10864 - The Predator | 370 | 
			
			
	 22.97% 
	 | 
									133 | 
	 58.65% 
	 | 
                        		|
| 
			                                 | 
			10865 - Brownie Points | 3079 | 
			
			
	 67.07% 
	 | 
									1526 | 
	 96.53% 
	 | 
                        		|
| 
			                                 | 
			10866 - Magic Bitstrings | 553 | 
			
			
	 45.57% 
	 | 
									162 | 
	 87.04% 
	 | 
                        		|
| 
			                                 | 
			10867 - Cutting a Polygon | 670 | 
			
			
	 28.66% 
	 | 
									154 | 
	 74.03% 
	 | 
                        		|
| 
			                                 | 
			10868 - Bungee Jumping | 1135 | 
			
			
	 47.84% 
	 | 
									374 | 
	 91.44% 
	 | 
                        		|
| 
			                                 | 
			10869 - Brownie Points II | 470 | 
			
			
	 44.04% 
	 | 
									158 | 
	 82.28% 
	 | 
                        		|
| 
			                                 | 
			10870 - Recurrences | 5287 | 
			
			
	 60.71% 
	 | 
									1346 | 
	 94.13% 
	 | 
                        		|
| 
			                                 | 
			10871 - Primed Subsequence | 4008 | 
			
			
	 51.45% 
	 | 
									1050 | 
	 92.38% 
	 | 
                        		|
| 
			                                 | 
			10872 - Triangles | 893 | 
			
			
	 41.43% 
	 | 
									340 | 
	 80.88% 
	 | 
                        		|
| 
			                                 | 
			10873 - Splat, Inc. | 320 | 
			
			
	 36.56% 
	 | 
									164 | 
	 59.15% 
	 | 
                        		|
| 
			                                 | 
			10874 - Segments | 1740 | 
			
			
	 49.14% 
	 | 
									646 | 
	 87.77% 
	 | 
                        		|
| 
			                                 | 
			10875 - Big Math | 1195 | 
			
			
	 23.77% 
	 | 
									359 | 
	 62.67% 
	 | 
                        		|
| 
			                                 | 
			10876 - Factory Robot | 418 | 
			
			
	 45.22% 
	 | 
									146 | 
	 85.62% 
	 | 
                        		|
| 
			                                 | 
			10877 - Diceoids | 687 | 
			
			
	 52.40% 
	 | 
									299 | 
	 83.28% 
	 | 
                        		|
| 
			                                 | 
			10878 - Decode the tape | 18959 | 
			
			
	 44.99% 
	 | 
									6481 | 
	 92.76% 
	 | 
                        		|
| 
			                                 | 
			10879 - Code Refactoring | 9055 | 
			
			
	 59.30% 
	 | 
									3938 | 
	 95.78% 
	 | 
                        		|
| 
			                                 | 
			10880 - Colin and Ryan | 8781 | 
			
			
	 31.19% 
	 | 
									2126 | 
	 85.28% 
	 | 
                        		|
| 
			                                 | 
			10881 - Piotr's Ants | 14427 | 
			
			
	 35.02% 
	 | 
									2396 | 
	 85.98% 
	 | 
                        		|
| 
			                                 | 
			10882 - Koerner's Pub | 950 | 
			
			
	 50.63% 
	 | 
									406 | 
	 89.66% 
	 | 
                        		|
| 
			                                 | 
			10883 - Supermean | 4692 | 
			
			
	 28.18% 
	 | 
									865 | 
	 62.89% 
	 | 
                        		|
| 
			                                 | 
			10884 - Persephone | 248 | 
			
			
	 51.61% 
	 | 
									98 | 
	 86.73% 
	 | 
                        		|
| 
			                                 | 
			10885 - Martin the Gardener | 239 | 
			
			
	 45.19% 
	 | 
									112 | 
	 76.79% 
	 | 
                        		|
| 
			                                 | 
			10886 - Standard Deviation | 1209 | 
			
			
	 42.68% 
	 | 
									251 | 
	 77.69% 
	 | 
                        		|
| 
			                                 | 
			10887 - Concatenation of Languages | 16287 | 
			
			
	 23.05% 
	 | 
									2133 | 
	 72.06% 
	 | 
                        		|
| 
			                                 | 
			10888 - Warehouse | 2753 | 
			
			
	 39.85% 
	 | 
									593 | 
	 84.82% 
	 | 
                        		|
| 
			                                 | 
			10889 - The Lost Gift | 965 | 
			
			
	 33.06% 
	 | 
									287 | 
	 79.44% 
	 | 
                        		|
| 
			                                 | 
			10890 - Maze | 2462 | 
			
			
	 39.93% 
	 | 
									428 | 
	 81.78% 
	 | 
                        		|
| 
			                                 | 
			10891 - Game of Sum | 10916 | 
			
			
	 59.39% 
	 | 
									3166 | 
	 92.45% 
	 | 
                        		|
| 
			                                 | 
			10892 - LCM Cardinality | 11899 | 
			
			
	 51.94% 
	 | 
									3162 | 
	 93.93% 
	 | 
                        		|
| 
			                                 | 
			10893 - Creating Sudoku Puzzles | 1139 | 
			
			
	 22.12% 
	 | 
									140 | 
	 45.00% 
	 | 
                        		|
| 
			                                 | 
			10894 - Save Hridoy | 2268 | 
			
			
	 46.96% 
	 | 
									769 | 
	 89.86% 
	 | 
                        		|
| 
			                                 | 
			10895 - Matrix Transpose | 8167 | 
			
			
	 42.75% 
	 | 
									3032 | 
	 90.60% 
	 | 
                        		|
| 
			                                 | 
			10896 - Known Plaintext Attack | 2318 | 
			
			
	 47.76% 
	 | 
									1028 | 
	 89.30% 
	 | 
                        		|
| 
			                                 | 
			10897 - Travelling Distance | 751 | 
			
			
	 63.12% 
	 | 
									440 | 
	 94.09% 
	 | 
                        		|
| 
			                                 | 
			10898 - Combo Deal | 2074 | 
			
			
	 51.16% 
	 | 
									781 | 
	 90.40% 
	 | 
                        		|
| 
			                                 | 
			10899 - Billiard again | 308 | 
			
			
	 31.17% 
	 | 
									94 | 
	 78.72% 
	 | 
                        		|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |
	
   Browse Problems 

