ID	题目显示标签隐藏标签	AC / 尝试	难度
2331	P1431B Polycarp and the Language of Gods special problem implementation two pointers 1400	0 / 0	普及-
2330	P1431C Black Friday special problem implementation 1600	0 / 0	普及
2322	P1433A Boring Apartments implementation math *800	0 / 0	普及-
2321	P1433B Yet Another Bookshelf greedy implementation *800	0 / 0	普及-
2304	P1437E Make It Increasing binary search constructive algorithms data structures dp implementation *2200	0 / 0	省选
2301	P1438A Specific Tastes of Andre constructive algorithms implementation *800	0 / 0	普及-
2295	P1439A1 Binary Table (Easy Version) constructive algorithms implementation *1500	0 / 0	普及
2294	P1439A2 Binary Table (Hard Version) constructive algorithms graphs greedy implementation *1900	0 / 0	普及
2292	P1439C Greedy Shopping binary search data structures divide and conquer greedy implementation *2600	0 / 0	CTSC
2289	P1440A Buy the String implementation math *800	0 / 0	普及-
2286	P1442B Identify the Operations combinatorics data structures dsu greedy implementation *1800	0 / 0	普及
2257	P1450D Rating Compression binary search data structures greedy implementation two pointers *1800	0 / 0	普及
2252	P1450H2 Multithreading (Hard Version) combinatorics implementation math *3300	0 / 0	CTSC
2250	P1451B Non-Substring Subsequence dp greedy implementation strings *900	0 / 0	普及-
2249	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	普及-
2237	P1453A Cancel the Trains implementation *800	0 / 0	普及-
2236	P1453B Suffix Operations constructive algorithms implementation *1400	0 / 0	普及-
2235	P1453C Triangles greedy implementation *1700	0 / 0	普及
2230	P1454B Unique Bid Auction implementation *800	0 / 0	普及-
2229	P1454C Sequence Transformation greedy implementation *1200	0 / 0	普及-
2221	P1455E Four Points brute force constructive algorithms flows geometry greedy implementation math ternary search *2400	0 / 0	NOI
2208	P1461B Find the Spruce brute force dp implementation *1400	0 / 0	普及-
2206	P1461D Divide and Summarize binary search brute force data structures divide and conquer implementation sortings *1600	0 / 0	普及
2205	P1461E Water Level brute force graphs greedy implementation math *2200	0 / 0	省选
2203	P1462A Favorite Sequence implementation two pointers *800	0 / 0	普及-
2202	P1462B Last Year's Substring dp implementation strings *800	0 / 0	普及-
2198	P1462E2 Close Tuples (hard version) binary search combinatorics implementation math sortings two pointers *1700	0 / 0	普及
2194	P1463C Busy Robot implementation *1800	0 / 0	普及
2192	P1463E Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees *2400	0 / 0	NOI
2179	P1467B Hills And Valleys brute force implementation *1700	0 / 0	普及
2173	P1468C Berpizza data structures implementation *1400	0 / 0	普及-
2167	P1468I Plane Tiling geometry implementation math *2500	0 / 0	NOI
2165	P1468K The Robot brute force implementation *1600	0 / 0	普及
2163	P1468M Similar Sets data structures graphs implementation *2300	0 / 0	省选
2162	P1468N Waste Sorting greedy implementation *900	0 / 0	普及-
2159	P1469C Building a Fence dp greedy implementation two pointers *1600	0 / 0	普及
2151	P1470E Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers *3200	0 / 0	CTSC
2148	P1471B Strange List brute force greedy implementation math *1100	0 / 0	普及-
2140	P1473A Replacing Elements greedy implementation math sortings *800	0 / 0	普及-
2137	P1473D Program data structures dp implementation strings *1700	0 / 0	普及
2131	P1474C Array Destruction brute force constructive algorithms data structures greedy implementation sortings *1700	0 / 0	普及
2117	P1476D Journey dfs and similar dp dsu implementation *1700	0 / 0	普及
2105	P1478C Nezzar and Symmetric Array implementation math sortings *1700	0 / 0	普及
2103	P1479B1 Painting the Array I constructive algorithms data structures dp greedy implementation *1900	0 / 0	普及
2102	P1479B2 Painting the Array II constructive algorithms data structures dp greedy implementation *2100	0 / 0	提高
2097	P1480B The Great Hero greedy implementation sortings *900	0 / 0	普及-
2095	P1481B New Colony brute force greedy implementation *1100	0 / 0	普及-
2093	P1481D AB Graph brute force constructive algorithms graphs greedy implementation *2000	0 / 0	提高
2089	P1482B Restore Modulo implementation math *1500	0 / 0	普及
2088	P1482C Basic Diplomacy brute force constructive algorithms greedy implementation *1600	0 / 0	普及
2087	P1482D Playlist data structures dsu implementation shortest paths *1900	0 / 0	普及
2081	P1485B Replace and Keep Sorted dp implementation math *1200	0 / 0	普及-
2076	P1486A Shifting Stacks greedy implementation *900	0 / 0	普及-
2069	P1487A Arena implementation sortings *800	0 / 0	普及-
2067	P1487C Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math *1500	0 / 0	普及
2065	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	提高
2049	P1490D Permutation Transformation dfs and similar divide and conquer implementation *1200	0 / 0	普及-
2045	P1491A K-th Largest Value brute force greedy implementation *800	0 / 0	普及-
2043	P1491C Pekora and Trampoline brute force data structures dp greedy implementation *1700	0 / 0	普及
2032	P1492E Almost Fault-Tolerant Database brute force constructive algorithms dfs and similar greedy implementation *2500	0 / 0	NOI
2030	P1493B Planet Lapituletti brute force implementation *1300	0 / 0	普及-
2028	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	提高
2025	P1494A ABC String bitmasks brute force implementation *900	0 / 0	普及-
2024	P1494B Berland Crossword bitmasks brute force greedy implementation *1400	0 / 0	普及-
2023	P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	普及
2020	P1494F Delete The Edges brute force constructive algorithms dfs and similar graphs implementation *2900	0 / 0	CTSC
2015	P1495E Qingshan and Daniel brute force data structures greedy implementation *3200	0 / 0	CTSC
2001	P1498D Bananas in a Microwave dfs and similar dp graphs implementation *2200	0 / 0	省选
1997	P1499B Binary Removals brute force dp greedy implementation *1000	0 / 0	普及-
1991	P1500A Going Home brute force hashing implementation math *1800	0 / 0	普及
1985	P1501A Alexey and Train implementation *800	0 / 0	普及-
1984	P1501B Napoleon Cake dp implementation sortings *900	0 / 0	普及-
1978	P1503F Balance the Cards constructive algorithms data structures divide and conquer geometry graphs implementation *3500	0 / 0	CTSC
1976	P1504B Flip the Bits constructive algorithms greedy implementation math *1200	0 / 0	普及-
1975	P1505A Is it rated - 2 special problem implementation interactive 900	0 / 0	普及-
1974	P1505B DMCA special problem implementation number theory 1600	0 / 0	普及
1973	P1505C Fibonacci Words special problem implementation 1400	0 / 0	普及-
1971	P1505E Cakewalk special problem greedy implementation shortest paths 1800	0 / 0	普及
1969	P1505G Encoded message special problem implementation 2600	0 / 0	CTSC
1965	P1506B Partial Replacement greedy implementation *1100	0 / 0	普及-
1964	P1506C Double-ended Strings brute force implementation strings *1000	0 / 0	普及-
1962	P1506E Restoring the Permutation constructive algorithms implementation *1500	0 / 0	普及
1959	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	普及
1958	P1508B Almost Sorted binary search combinatorics constructive algorithms implementation *1800	0 / 0	普及
1940	P1510K King's Task brute force graphs implementation *1200	0 / 0	普及-
1937	P1511C Yet Another Card Deck brute force data structures implementation trees *1100	0 / 0	普及-
1932	P1512A Spy Detected! brute force implementation *800	0 / 0	普及-
1931	P1512B Almost Rectangle implementation *800	0 / 0	普及-
1930	P1512C A-B Palindrome constructive algorithms implementation strings *1200	0 / 0	普及-
1927	P1512F Education brute force dp greedy implementation *1900	0 / 0	普及
1925	P1513A Array and Peaks constructive algorithms implementation *800	0 / 0	普及-
1916	P1514D Cut and Stick binary search data structures greedy implementation sortings *2000	0 / 0	提高
1898	P1517C Fillomino 2 constructive algorithms dfs and similar greedy implementation *1400	0 / 0	普及-
1896	P1517E Group Photo binary search data structures implementation two pointers *2500	0 / 0	NOI
1889	P1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	普及
1886	P1520A Do Not Be Distracted! brute force implementation *800	0 / 0	普及-
1879	P1520G To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths *2200	0 / 0	省选
1875	P1521D Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees *2500	0 / 0	NOI
1873	P1523A Game of Life implementation *800	0 / 0	普及-
1871	P1523C Compression and Expansion brute force data structures greedy implementation trees *1600	0 / 0	普及

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