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IDTitleRatio(AC/submit) Date
1900Game29%(284/979)May 8, 2025
1901Hypertransmission22%(452/2028)May 6, 2025
1902Illumination17%(60/338)May 19, 2025
1903Jurassic Remains34%(782/2298)Aug 12, 2025
1904King's Quest36%(4293/11753)Aug 14, 2025
1905Expanding Rods26%(6283/23335)Aug 24, 2025
1906Three powers45%(2087/4588)Aug 16, 2025
1907Work Reduction35%(633/1792)May 22, 2025
1908Grid Speed11%(41/369)May 8, 2025
1909Marbles on a tree46%(896/1929)May 22, 2025
1910Adam's Genes11%(32/282)May 15, 2025
1911A Well-Formed Problem18%(89/484)May 8, 2025
1912A highway and the seven dwarfs20%(734/3664)Aug 21, 2025
1913Cocktails17%(102/596)May 6, 2025
1914Cramer's Rule24%(790/3273)Jun 21, 2025
1915Knight Moves45%(18005/39492)Aug 20, 2025
1916Rat Attack32%(368/1124)Jun 25, 2025
1917Automatic Poetry47%(1237/2578)May 25, 2025
1918Ranking List29%(523/1786)May 25, 2025
1919Ship Journey12%(54/417)Apr 23, 2022
1920Towers of Hanoi44%(1245/2800)May 25, 2025
1921Paper Cut20%(78/385)Jan 29, 2025
1922Ride to School39%(10562/26619)Aug 14, 2025
1923Fourier's Lines33%(944/2850)May 25, 2025
1924The Treasure20%(491/2452)May 31, 2025
1925Spiderman20%(1641/7984)Aug 17, 2025
1926Pollution27%(1146/4244)May 25, 2025
1927Area in Triangle44%(989/2221)May 25, 2025
1928The Peanuts41%(3484/8496)Aug 14, 2025
1929Calories from Fat51%(648/1259)May 25, 2025
1930Dead Fraction35%(2119/5936)Aug 17, 2025
1931Biometrics40%(443/1087)May 25, 2025
1932XYZZY28%(1337/4751)May 25, 2025
1933A Brief Gerrymander33%(107/316)Aug 27, 2021
1934Trip27%(2124/7821)Jun 19, 2025
1935Journey38%(962/2483)May 19, 2025
1936All in All41%(17379/42129)Aug 14, 2025
1937Balanced Food21%(84/396)Oct 2, 2023
1938California Jones and the Gate to Freedom38%(317/821)Sep 15, 2024
1939Diplomatic License39%(2858/7283)May 31, 2025
1940Polygon Programming with Ease61%(876/1425)Nov 30, 2024
1941The Sierpinski Fractal40%(2632/6431)Feb 10, 2025
1942Paths on a Grid27%(9626/35076)Aug 14, 2025
1943Hall of Fountains35%(314/897)Dec 3, 2024
1944Fiber Communications30%(1541/5115)May 25, 2025
1945Power Hungry Cows24%(1768/7322)Aug 18, 2025
1946Cow Cycling54%(1785/3255)Aug 11, 2025
1947Rebuilding Roads45%(7231/15803)Aug 20, 2025
1948Triangular Pastures33%(3424/10373)May 13, 2025
1949Chores46%(3592/7651)Jul 26, 2025
1950Dessert36%(2446/6748)May 12, 2024
1951Extra Krunch25%(1946/7616)Jul 25, 2025
1952BUY LOW, BUY LOWER35%(4513/12662)Mar 30, 2025
1953World Cup Noise43%(11924/27538)Aug 16, 2025
1954Warez Test11%(39/334)Mar 15, 2023
1955Rubik's Cube45%(379/839)May 12, 2025
1956Pumps and Pipes20%(51/244)Jun 22, 2023
1957Beehives29%(147/501)May 8, 2023
1958Strange Towers of Hanoi57%(3541/6194)Aug 21, 2025
1959Darts57%(906/1570)Aug 16, 2024
1960Time Planner20%(342/1708)Nov 22, 2024
1961Period47%(12542/26477)Aug 20, 2025
1962Corporative Network37%(1874/4995)Dec 16, 2024
1963Cave Exploration18%(92/487)Jul 24, 2025
1964City Game40%(2896/7224)Aug 24, 2025
1965Cube Root26%(408/1533)Dec 24, 2024
1966Cable TV Network47%(2982/6228)Aug 13, 2025
1967Alibaba14%(133/933)Feb 27, 2025
1968Booklets33%(294/872)Jun 11, 2023
1969Count on Canton58%(5790/9970)Aug 14, 2025
1970The Game25%(2077/8103)Jan 18, 2025
1971Parallelogram Counting34%(2498/7170)Aug 16, 2025
1972Dice Stacking61%(921/1506)Feb 1, 2025
1973Software Company42%(543/1268)Jul 19, 2024
1974The Happy Worm22%(1228/5448)Aug 17, 2025
1975Median Weight Bead50%(2271/4474)Aug 19, 2025
1976A Mini Locomotive55%(2835/5136)Aug 17, 2025
1977Odd Loving Bakers33%(706/2133)Jul 22, 2024
1978Hanafuda Shuffle57%(2491/4321)Nov 3, 2024
1979Red and Black50%(37251/73894)Aug 20, 2025
1980Unit Fraction Partition39%(1963/4924)Dec 10, 2024
1981Circle and Points35%(3457/9725)May 6, 2025
1982Water Tank34%(92/267)Dec 4, 2024
1983Name the Crossing40%(141/349)Jun 5, 2020
1984Navigation Nightmare36%(3954/10912)Aug 18, 2025
1985Cow Marathon40%(5602/13794)Aug 24, 2025
1986Distance Queries34%(7648/22445)Aug 19, 2025
1987Distance Statistics35%(1058/2943)Dec 29, 2024
1988Cube Stacking34%(13325/38394)Aug 20, 2025
1989The Cow Lineup57%(3599/6272)Jun 11, 2025
1990MooFest44%(6176/13769)Aug 16, 2025
1991Turning in Homework42%(602/1402)Aug 11, 2025
1992Jack37%(1264/3337)May 6, 2025
1993Caleidoscope43%(345/785)Apr 30, 2024
1994Logic19%(27/139)Jun 12, 2024
1995Raising Modulo Numbers56%(15534/27724)Aug 21, 2025
1996The Highest Profits43%(339/785)Nov 2, 2024
1997Word Puzzle41%(513/1245)Aug 20, 2024
1998Lloyd Fifteen Puzzle33%(263/775)Nov 29, 2024
1999Quorf24%(123/510)Jul 18, 2024

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