ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1965 P1286C1   Madhouse (Easy version) 0 / 0 (无)
1964 P1286C2   Madhouse (Hard version) 0 / 0 (无)
1963 P1286D   LCC 0 / 0 (无)
1962 P1286E   Fedya the Potter Strikes Back 0 / 0 (无)
1961 P1286F   Harry The Potter 0 / 0 (无)
1960 P1287A   Angry Students 0 / 0 (无)
1959 P1287B   Hyperset 0 / 0 (无)
1958 P1288A   Deadline 0 / 0 (无)
1957 P1288B   Yet Another Meme Problem 0 / 0 (无)
1956 P1288C   Two Arrays 0 / 0 (无)
1955 P1288D   Minimax Problem 0 / 0 (无)
1954 P1288E   Messenger Simulator 0 / 0 (无)
1953 P1288F   Red-Blue Graph 0 / 0 (无)
1952 P1290A   Mind Control 0 / 0 (无)
1951 P1290B   Irreducible Anagrams 0 / 0 (无)
1950 P1290C   Prefix Enlightenment 0 / 0 (无)
1949 P1290D   Coffee Varieties (hard version) 0 / 0 (无)
1948 P1290E   Cartesian Tree 0 / 0 (无)
1947 P1290F   Making Shapes 0 / 0 (无)
1946 P1291A   Even But Not Even 0 / 0 (无)
1945 P1291B   Array Sharpening 0 / 0 (无)
1944 P1291F   Coffee Varieties (easy version) 0 / 0 (无)
1943 P1292A   NEKO's Maze Game 0 / 0 (无)
1942 P1292B   Aroma's Search 0 / 0 (无)
1941 P1292C   Xenon's Attack on the Gangs 0 / 0 (无)
1940 P1292D   Chaotic V. 0 / 0 (无)
1939 P1292E   Rin and The Unknown Flower 0 / 0 (无)
1938 P1292F   Nora's Toy Boxes 0 / 0 (无)
1937 P1293A   ConneR and the A.R.C 0 / 0 (无)
1936 P1293B   JOE is on TV! 0 / 0 (无)
1935 P1294A   Collecting Coins 0 / 0 (无)
1934 P1294B   Collecting Packages 0 / 0 (无)
1933 P1294C   Product of Three Numbers 0 / 0 (无)
1932 P1294D   MEX maximizing 0 / 0 (无)
1931 P1294E   Obtain a Permutation 0 / 0 (无)
1930 P1294F   Three Paths on a Tree 0 / 0 (无)
1929 P1295A   Display The Number 0 / 0 (无)
1928 P1295B   Infinite Prefixes 0 / 0 (无)
1927 P1295C   Obtain The String 0 / 0 (无)
1926 P1295D   Same GCDs 0 / 0 (无)
1925 P1295E   Permutation Separation 0 / 0 (无)
1924 P1295F   Good Contest 0 / 0 (无)
1923 P1296A   Array with Odd Sum 0 / 0 (无)
1922 P1296B   Food Buying 0 / 0 (无)
1921 P1296C   Yet Another Walking Robot 0 / 0 (无)
1920 P1296D   Fight with Monsters 1 / 1 10
1919 P1296E1   String Coloring (easy version) 0 / 0 (无)
1918 P1296E2   String Coloring (hard version) 0 / 0 (无)
1917 P1296F   Berland Beauty 0 / 0 (无)
1916 P1297A   Likes Display 0 / 0 (无)
1915 P1297B   Cartoons 0 / 0 (无)
1914 P1297C   Dream Team 0 / 0 (无)
1913 P1297D   Bonus Distribution 0 / 0 (无)
1912 P1297E   Modernization of Treeland 0 / 0 (无)
1911 P1297F   Movie Fan 0 / 0 (无)
1910 P1297G   M-numbers 0 / 0 (无)
1909 P1297H   Paint the String 0 / 0 (无)
1908 P1297I   Falling Blocks 0 / 0 (无)
1907 P1299A   Anu Has a Function 0 / 0 (无)
1906 P1299B   Aerodynamic 0 / 0 (无)
1905 P1299C   Water Balance 0 / 0 (无)
1904 P1299D   Around the World 0 / 0 (无)
1903 P1299E   So Mean 0 / 0 (无)
1902 P1300A   Non-zero 0 / 0 (无)
1901 P1300B   Assigning to Classes 0 / 0 (无)
1900 P1301A   Three Strings 0 / 0 (无)
1899 P1301B   Motarack's Birthday 0 / 0 (无)
1898 P1301C   Ayoub's function 0 / 0 (无)
1897 P1301D   Time to Run 0 / 0 (无)
1896 P1301E   Nanosoft 0 / 0 (无)
1895 P1301F   Super Jaber 0 / 0 (无)
1894 P1302A   Nash equilibrium 0 / 0 (无)
1893 P1302B   DAG 0 / 0 (无)
1892 P1302C   Segment tree or Fenwick? 0 / 0 (无)
1891 P1302D   Dijkstra 0 / 0 (无)
1890 P1302E   Amazing bitset 0 / 0 (无)
1889 P1302F   Keep talking and nobody explodes – easy 0 / 0 (无)
1888 P1302G   Keep talking and nobody explodes – medium 0 / 0 (无)
1887 P1302H   Who needs suffix structures? 0 / 0 (无)
1886 P1302I   Deja vu 0 / 0 (无)
1885 P1302J   Keep talking and nobody explodes – hard 0 / 0 (无)
1884 P1303A   Erasing Zeroes 0 / 0 (无)
1883 P1303B   National Project 0 / 0 (无)
1882 P1303C   Perfect Keyboard 0 / 0 (无)
1881 P1303D   Fill The Bag 0 / 0 (无)
1880 P1303E   Erase Subsequences 0 / 0 (无)
1879 P1303F   Number of Components 0 / 0 (无)
1878 P1303G   Sum of Prefix Sums 0 / 0 (无)
1877 P1304A   Two Rabbits 0 / 0 (无)
1876 P1304B   Longest Palindrome 0 / 0 (无)
1875 P1304C   Air Conditioner 0 / 0 (无)
1874 P1304D   Shortest and Longest LIS 0 / 0 (无)
1873 P1304E   1-Trees and Queries 0 / 0 (无)
1872 P1304F1   Animal Observation (easy version) 0 / 0 (无)
1871 P1304F2   Animal Observation (hard version) 0 / 0 (无)
1870 P1305A   Kuroni and the Gifts 0 / 0 (无)
1869 P1305B   Kuroni and Simple Strings 0 / 0 (无)
1868 P1305C   Kuroni and Impossible Calculation 0 / 0 (无)
1867 P1305D   Kuroni and the Celebration 0 / 0 (无)
1866 P1305E   Kuroni and the Score Distribution 0 / 0 (无)

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