|
|
1968 |
P1505H L BREAK into program
|
0 / 0 |
NOI
|
|
|
1967 |
P1505I Mysterious language again, seriously?
|
0 / 0 |
省选
|
|
|
1966 |
P1506A Strange Table
|
0 / 0 |
普及-
|
|
|
1965 |
P1506B Partial Replacement
|
0 / 0 |
普及-
|
|
|
1964 |
P1506C Double-ended Strings
|
0 / 0 |
普及-
|
|
|
1963 |
P1506D Epic Transformation
|
0 / 0 |
普及-
|
|
|
1962 |
P1506E Restoring the Permutation
|
0 / 0 |
普及
|
|
|
1961 |
P1506F Triangular Paths
|
0 / 0 |
提高
|
|
|
1960 |
P1506G Maximize the Remaining String
|
0 / 0 |
提高
|
|
|
1959 |
P1508A Binary Literature
|
0 / 0 |
普及
|
|
|
1958 |
P1508B Almost Sorted
|
0 / 0 |
普及
|
|
|
1957 |
P1508C Complete the MST
|
0 / 0 |
NOI
|
|
|
1956 |
P1508D Swap Pass
|
0 / 0 |
CTSC
|
|
|
1955 |
P1508E Tree Calendar
|
0 / 0 |
CTSC
|
|
|
1954 |
P1508F Optimal Encoding
|
0 / 0 |
CTSC
|
|
|
1953 |
P1509A Average Height
|
0 / 0 |
普及-
|
|
|
1952 |
P1509B TMT Document
|
0 / 0 |
普及-
|
|
|
1951 |
P1509C The Sports Festival
|
0 / 0 |
普及
|
|
|
1950 |
P1510A __NO_TITLE__
|
0 / 0 |
暂无评定
|
|
|
1949 |
P1510B Button Lock
|
0 / 0 |
CTSC
|
|
|
1948 |
P1510C Cactus Not Enough
|
0 / 0 |
CTSC
|
|
|
1947 |
P1510D Digits
|
0 / 0 |
提高
|
|
|
1946 |
P1510E __NO_TITLE__
|
0 / 0 |
暂无评定
|
|
|
1945 |
P1510F Fiber Shape
|
0 / 0 |
CTSC
|
|
|
1944 |
P1510G __NO_TITLE__
|
0 / 0 |
暂无评定
|
|
|
1943 |
P1510H Hard Optimization
|
0 / 0 |
CTSC
|
|
|
1942 |
P1510I Is It Rated?
|
0 / 0 |
CTSC
|
|
|
1941 |
P1510J Japanese Game
|
0 / 0 |
CTSC
|
|
|
1940 |
P1510K King's Task
|
0 / 0 |
普及-
|
|
|
1939 |
P1511A Review Site
|
0 / 0 |
普及-
|
|
|
1938 |
P1511B GCD Length
|
0 / 0 |
普及-
|
|
|
1937 |
P1511C Yet Another Card Deck
|
0 / 0 |
普及-
|
|
|
1936 |
P1511D Min Cost String
|
0 / 0 |
普及
|
|
|
1935 |
P1511E Colorings and Dominoes
|
0 / 0 |
提高
|
|
|
1934 |
P1511F Chainword
|
0 / 0 |
CTSC
|
|
|
1933 |
P1511G Chips on a Board
|
0 / 0 |
CTSC
|
|
|
1932 |
P1512A Spy Detected!
|
0 / 0 |
普及-
|
|
|
1931 |
P1512B Almost Rectangle
|
0 / 0 |
普及-
|
|
|
1930 |
P1512C A-B Palindrome
|
0 / 0 |
普及-
|
|
|
1929 |
P1512D Corrupted Array
|
0 / 0 |
普及-
|
|
|
1928 |
P1512E Permutation by Sum
|
0 / 0 |
普及
|
|
|
1927 |
P1512F Education
|
0 / 0 |
普及
|
|
|
1926 |
P1512G Short Task
|
0 / 0 |
普及
|
|
|
1925 |
P1513A Array and Peaks
|
0 / 0 |
普及-
|
|
|
1924 |
P1513B AND Sequences
|
0 / 0 |
普及-
|
|
|
1923 |
P1513C Add One
|
0 / 0 |
普及
|
|
|
1922 |
P1513D GCD and MST
|
0 / 0 |
提高
|
|
|
1921 |
P1513E Cost Equilibrium
|
0 / 0 |
省选
|
|
|
1920 |
P1513F Swapping Problem
|
0 / 0 |
NOI
|
|
|
1919 |
P1514A Perfectly Imperfect Array
|
0 / 0 |
普及-
|
|
|
1918 |
P1514B AND 0, Sum Big
|
0 / 0 |
普及-
|
|
|
1917 |
P1514C Product 1 Modulo N
|
0 / 0 |
普及
|
|
|
1916 |
P1514D Cut and Stick
|
0 / 0 |
提高
|
|
|
1915 |
P1514E Baby Ehab's Hyper Apartment
|
0 / 0 |
CTSC
|
|
|
1914 |
P1515A Phoenix and Gold
|
0 / 0 |
普及-
|
|
|
1913 |
P1515B Phoenix and Puzzle
|
0 / 0 |
普及-
|
|
|
1912 |
P1515C Phoenix and Towers
|
0 / 0 |
普及-
|
|
|
1911 |
P1515D Phoenix and Socks
|
0 / 0 |
普及
|
|
|
1910 |
P1515E Phoenix and Computers
|
0 / 0 |
省选
|
|
|
1909 |
P1515F Phoenix and Earthquake
|
0 / 0 |
CTSC
|
|
|
1908 |
P1515G Phoenix and Odometers
|
0 / 0 |
CTSC
|
|
|
1907 |
P1515H Phoenix and Bits
|
0 / 0 |
CTSC
|
|
|
1906 |
P1515I Phoenix and Diamonds
|
0 / 0 |
CTSC
|
|
|
1905 |
P1516A Tit for Tat
|
0 / 0 |
普及-
|
|
|
1904 |
P1516B AGAGA XOOORRR
|
0 / 0 |
普及
|
|
|
1903 |
P1516C Baby Ehab Partitions Again
|
0 / 0 |
普及
|
|
|
1902 |
P1516D Cut
|
0 / 0 |
提高
|
|
|
1901 |
P1516E Baby Ehab Plays with Permutations
|
0 / 0 |
NOI
|
|
|
1900 |
P1517A Sum of 2050
|
0 / 0 |
普及-
|
|
|
1899 |
P1517B Morning Jogging
|
0 / 0 |
普及-
|
|
|
1898 |
P1517C Fillomino 2
|
0 / 0 |
普及-
|
|
|
1897 |
P1517D Explorer Space
|
0 / 0 |
普及
|
|
|
1896 |
P1517E Group Photo
|
0 / 0 |
NOI
|
|
|
1895 |
P1517F Reunion
|
0 / 0 |
CTSC
|
|
|
1894 |
P1517G Starry Night Camping
|
0 / 0 |
CTSC
|
|
|
1893 |
P1517H Fly Around the World
|
0 / 0 |
CTSC
|
|
|
1892 |
P1519A Red and Blue Beans
|
0 / 0 |
普及-
|
|
|
1891 |
P1519B The Cake Is a Lie
|
0 / 0 |
普及-
|
|
|
1890 |
P1519C Berland Regional
|
0 / 0 |
普及-
|
|
|
1889 |
P1519D Maximum Sum of Products
|
0 / 0 |
普及
|
|
|
1888 |
P1519E Off by One
|
0 / 0 |
CTSC
|
|
|
1887 |
P1519F Chests and Keys
|
0 / 0 |
CTSC
|
|
|
1886 |
P1520A Do Not Be Distracted!
|
0 / 0 |
普及-
|
|
|
1885 |
P1520B Ordinary Numbers
|
0 / 0 |
普及-
|
|
|
1884 |
P1520C Not Adjacent Matrix
|
0 / 0 |
普及-
|
|
|
1883 |
P1520D Same Differences
|
0 / 0 |
普及-
|
|
|
1882 |
P1520E Arranging The Sheep
|
0 / 0 |
普及-
|
|
|
1881 |
P1520F1 Guess the K-th Zero (Easy version)
|
0 / 0 |
普及
|
|
|
1880 |
P1520F2 Guess the K-th Zero (Hard version)
|
0 / 0 |
省选
|
|
|
1879 |
P1520G To Go Or Not To Go?
|
0 / 0 |
省选
|
|
|
1878 |
P1521A Nastia and Nearly Good Numbers
|
0 / 0 |
普及-
|
|
|
1877 |
P1521B Nastia and a Good Array
|
0 / 0 |
普及-
|
|
|
1876 |
P1521C Nastia and a Hidden Permutation
|
0 / 0 |
提高
|
|
|
1875 |
P1521D Nastia Plays with a Tree
|
0 / 0 |
NOI
|
|
|
1874 |
P1521E Nastia and a Beautiful Matrix
|
0 / 0 |
CTSC
|
|
|
1873 |
P1523A Game of Life
|
0 / 0 |
普及-
|
|
|
1872 |
P1523B Lord of the Values
|
0 / 0 |
普及-
|
|
|
1871 |
P1523C Compression and Expansion
|
0 / 0 |
普及
|
|
|
1870 |
P1523D Love-Hate
|
0 / 0 |
NOI
|
|
|
1869 |
P1523E Crypto Lights
|
0 / 0 |
CTSC
|
