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ZOJ Problem Set Vol 9
Vol 1   Vol 2   Vol 3   Vol 4   Vol 5   Vol 6   Vol 7   Vol 8   Vol 9   Vol 10   Vol 11   Vol 12   Vol 13   Vol 14   Vol 15   Vol 16   Vol 17   Vol 18   Vol 19   Vol 20   Vol 21   Vol 22   Vol 23   Vol 24   Vol 25   Vol 26   Vol 27   Vol 28   Vol 29   Vol 30   Vol 31  
ID Title Ratio (AC/All)
1801 EKG Sequence 39.63% (109/275)
1802 Phone Home 45.53% (194/426)
1803 Polly Nomials 45.81% (82/179)
1804 Pushing Boxes 46.19% (91/197)
1805 Squadtrees 42.22% (326/772)
1806 This Takes the Cake 43.58% (102/234)
1807 Bulk Mailing 25.88% (22/85)
1808 Immediate Decodability 48.68% (1254/2576)
1809 File Mapping 31.09% (51/164)
1810 The Gourmet Club 23.43% (15/64)
1811 Chutes and Ladders 64.28% (126/196)
1812 Stamps 35.23% (105/298)
1813 Biker's Trip Odometer 55.69% (3066/5505)
1814 Candy Sharing Game 62.17% (1062/1708)
1815 Peg Game 41.17% (35/85)
1816 Taxation With Representation Overdone 29.41% (10/34)
1817 It's Logical 44.18% (38/86)
1818 Obstructed Rook Circuits 33.98% (35/103)
1819 Rhyme Schemes 57.17% (239/418)
1820 Fully Diversified Sequences of Sets 51.00% (51/100)
1821 Exocenter of a Triangle 36.79% (124/337)
1822 Bean Counting 17.82% (69/387)
1823 Factoring Large Numbers 41.38% (850/2054)
1824 Maze Traversal 34.28% (758/2211)
1825 Compound Words 37.45% (802/2141)
1826 Pit Stop Strategy 2.50% (1/40)
1827 The Game of 31 51.90% (367/707)
1828 Fibonacci Numbers 35.20% (2286/6493)
1829 Ransom Note 28.57% (26/91)
1830 Scheme Pretty-Printing 19.04% (12/63)
1831 Substitution Cypher 31.59% (1456/4608)
1832 File Fragmentation 24.80% (96/387)
1833 Audubon's Stormy Arctic Trip 31.70% (13/41)
1834 AutoFish 16.50% (83/503)
1835 Herding Frosh 20.61% (20/97)
1836 Crypt Kicker 25.37% (34/134)
1837 Contest Scoreboard 14.80% (37/250)
1838 Crypt Kicker II 24.52% (206/840)
1839 Watching Watches 20.94% (40/191)
1840 Pousse 36.17% (17/47)
1841 Polylops 56.86% (29/51)
1842 Prime Distance 22.78% (672/2949)
1843 Yahtzee 26.89% (32/119)
1844 Request for Proposal 56.66% (102/180)
1845 Australian Voting 17.20% (64/372)
1846 Chocolate Chip Cookies 23.68% (18/76)
1847 The Trip 27.37% (398/1454)
1848 Doublets 11.38% (28/246)
1849 CDVII 9.49% (15/158)
1850 Factovisors 25.06% (475/1895)
1851 Spaghetti 16.66% (8/48)
1852 Billiard 69.96% (198/283)
1853 The Brick Stops Here 20.31% (104/512)
1854 Election 26.74% (829/3100)
1855 Maze 5.76% (12/208)
1856 Boastin' Red Socks 33.56% (96/286)
1857 Fire Station 23.41% (340/1452)
1858 Soundex 49.64% (2006/4041)
1859 Ferry Loading 20.40% (100/490)
1860 Dog & Gopher 30.37% (243/800)
1861 Gas Station Numbers 24.74% (144/582)
1862 Mine Sweeper 27.29% (577/2114)
1863 Choose and Divide 39.82% (415/1042)
1864 Old Wine Into New Bottles 25.47% (80/314)
1865 Suffidromes 24.35% (38/156)
1866 Origami 44.00% (11/25)
1867 Y2K Accounting Bug 49.09% (109/222)
1868 Airline Hub 44.22% (203/459)
1869 Snakes 32.33% (43/133)
1870 Snap 32.78% (20/61)
1871 Steps 38.95% (1406/3609)
1872 Freckles 47.89% (604/1261)
1873 Language Cardinality 9.09% (4/44)
1874 Primary Arithmetic 32.21% (1667/5175)
1875 Demerit Points 13.46% (7/52)
1876 Edit Step Ladders 31.26% (126/403)
1877 Bridge 26.79% (404/1508)
1878 Saskatchewan 10.00% (8/80)
1879 Jolly Jumpers 25.71% (2918/11349)
1880 Tug of War 27.71% (961/3468)
1881 Interpreter 32.51% (66/203)
1882 Gopher II 42.52% (384/903)
1883 Tight Words 56.38% (508/901)
1884 WERTYU 41.99% (1822/4339)
1885 Division 26.21% (146/557)
1886 Hotter Colder 44.05% (89/202)
1887 No Tipping 48.30% (57/118)
1888 Zipf's Law 34.90% (163/467)
1889 Ones 47.42% (3292/6942)
1890 Average Speed 44.37% (521/1174)
1891 Subway 22.56% (181/802)
1892 Bounding Box 65.31% (209/320)
1893 A Multiplication Game 55.52% (804/1448)
1894 Adventures in Moving - Part IV 26.76% (57/213)
1895 Pairsumonious Numbers 65.82% (52/79)
1896 Stack 'em Up 41.95% (146/348)
1897 Return of the Jedi 25.00% (13/52)
1898 Discrete Logging 52.90% (82/155)
1899 Hardwood Species 20.84% (487/2336)
1900 Forests 28.07% (390/1389)
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