| 入門題Introductory Problems24 題 · 中文 24 |
| CSES 1068Weird Algorithm |
CSES |
| CSES 1083Missing Number |
CSES |
| CSES 1069Repetitions |
CSES |
| CSES 1094Increasing Array |
CSES |
| CSES 1070Permutations |
CSES |
| CSES 1071Number Spiral |
CSES |
| CSES 1072Two Knights |
CSES |
| CSES 1092Two Sets |
CSES |
| CSES 1617Bit Strings |
CSES |
| CSES 1618Trailing Zeros |
CSES |
| CSES 1754Coin Piles |
CSES |
| CSES 1755Palindrome Reorder |
CSES |
| CSES 2205Gray Code |
CSES |
| CSES 2165Tower of Hanoi |
CSES |
| CSES 1622Creating Strings |
CSES |
| CSES 1623Apple Division |
CSES |
| CSES 1624Chessboard and Queens |
CSES |
| CSES 3399Raab Game I |
CSES |
| CSES 3419Mex Grid Construction |
CSES |
| CSES 3217Knight Moves Grid |
CSES |
| CSES 3311Grid Coloring I |
CSES |
| CSES 2431Digit Queries |
CSES |
| CSES 1743String Reorder |
CSES |
| CSES 1625Grid Paths |
CSES |
| 排序與搜尋Sorting and Searching35 題 · 中文 35 |
| CSES 1621Distinct Numbers |
CSES |
| CSES 1084Apartments |
CSES |
| CSES 1090Ferris Wheel |
CSES |
| CSES 1091Concert Tickets |
CSES |
| CSES 1619Restaurant Customers |
CSES |
| CSES 1629Movie Festival |
CSES |
| CSES 1640Sum of Two Values |
CSES |
| CSES 1643Maximum Subarray Sum |
CSES |
| CSES 1074Stick Lengths |
CSES |
| CSES 2183Missing Coin Sum |
CSES |
| CSES 2216Collecting Numbers |
CSES |
| CSES 2217Collecting Numbers II |
CSES |
| CSES 1141Playlist |
CSES |
| CSES 1073Towers |
CSES |
| CSES 1163Traffic Lights |
CSES |
| CSES 3420Distinct Values Subarrays |
CSES |
| CSES 3421Distinct Values Subsequences |
CSES |
| CSES 2162Josephus Problem I |
CSES |
| CSES 2163Josephus Problem II |
CSES |
| CSES 2168Nested Ranges Check |
CSES |
| CSES 2169Nested Ranges Count |
CSES |
| CSES 1164Room Allocation |
CSES |
| CSES 1620Factory Machine |
CSES |
| CSES 1630Tasks and Deadlines |
CSES |
| CSES 1631Reading Books |
CSES |
| CSES 1641Sum of Three Values |
CSES |
| CSES 1642Sum of Four Values |
CSES |
| CSES 1645Nearest Smaller Values |
CSES |
| CSES 1660Subarray Sums I |
CSES |
| CSES 1661Subarray Sums II |
CSES |
| CSES 1662Subarray Divisibility |
CSES |
| CSES 2428Distinct Values Subarrays II |
CSES |
| CSES 1085Array Division |
CSES |
| CSES 1632Movie Festival II |
CSES |
| CSES 1644Maximum Subarray Sum II |
CSES |
| 動態規劃Dynamic Programming23 題 · 中文 23 |
| CSES 1633Dice Combinations |
CSES |
| CSES 1634Minimizing Coins |
CSES |
| CSES 1635Coin Combinations I |
CSES |
| CSES 1636Coin Combinations II |
CSES |
| CSES 1637Removing Digits |
CSES |
| CSES 1638Grid Paths I |
CSES |
| CSES 1158Book Shop |
CSES |
| CSES 1746Array Description |
CSES |
| CSES 2413Counting Towers |
CSES |
| CSES 1639Edit Distance |
CSES |
| CSES 3403Longest Common Subsequence |
CSES |
| CSES 1744Rectangle Cutting |
CSES |
| CSES 3359Minimal Grid Path |
CSES |
| CSES 1745Money Sums |
CSES |
| CSES 1097Removal Game |
CSES |
| CSES 1093Two Sets II |
CSES |
| CSES 3314Mountain Range |
CSES |
| CSES 1145Increasing Subsequence |
CSES |
| CSES 1140Projects |
CSES |
| CSES 1653Elevator Rides |
CSES |
| CSES 2181Counting Tilings |
CSES |
| CSES 2220Counting Numbers |
CSES |
| CSES 1748Increasing Subsequence II |
CSES |
| 圖論演算法Graph Algorithms36 題 · 中文 36 |
| CSES 1192Counting Rooms |
CSES |
| CSES 1193Labyrinth |
CSES |
| CSES 1666Building Roads |
CSES |
| CSES 1667Message Route |
CSES |
| CSES 1668Building Teams |
CSES |
| CSES 1669Round Trip |
CSES |
| CSES 1194Monsters |
CSES |
| CSES 1671Shortest Routes I |
CSES |
| CSES 1672Shortest Routes II |
CSES |
| CSES 1673High Score |
CSES |
| CSES 1195Flight Discount |
CSES |
| CSES 1197Cycle Finding |
CSES |
| CSES 1196Flight Routes |
CSES |
| CSES 1678Round Trip II |
CSES |
| CSES 1679Course Schedule |
CSES |
| CSES 1680Longest Flight Route |
CSES |
| CSES 1681Game Routes |
CSES |
| CSES 1202Investigation |
CSES |
| CSES 1750Planets Queries I |
CSES |
| CSES 1160Planets Queries II |
CSES |
| CSES 1751Planets Cycles |
CSES |
| CSES 1675Road Reparation |
CSES |
| CSES 1676Road Construction |
CSES |
| CSES 1682Flight Routes Check |
CSES |
| CSES 1683Planets and Kingdoms |
CSES |
| CSES 1684Giant Pizza |
CSES |
| CSES 1686Coin Collector |
CSES |
| CSES 1691Mail Delivery |
CSES |
| CSES 1692De Bruijn Sequence |
CSES |
| CSES 1693Teleporters Path |
CSES |
| CSES 1690Hamiltonian Flights |
CSES |
| CSES 1689Knight's Tour |
CSES |
| CSES 1694Download Speed |
CSES |
| CSES 1695Police Chase |
CSES |
| CSES 1696School Dance |
CSES |
| CSES 1711Distinct Routes |
CSES |
| 區間查詢Range Queries25 題 · 中文 25 |
| CSES 1646Static Range Sum Queries |
CSES |
| CSES 1647Static Range Minimum Queries |
CSES |
| CSES 1648Dynamic Range Sum Queries |
CSES |
| CSES 1649Dynamic Range Minimum Queries |
CSES |
| CSES 1650Range Xor Queries |
CSES |
| CSES 1651Range Update Queries |
CSES |
| CSES 1652Forest Queries |
CSES |
| CSES 1143Hotel Queries |
CSES |
| CSES 1749List Removals |
CSES |
| CSES 1144Salary Queries |
CSES |
| CSES 2166Prefix Sum Queries |
CSES |
| CSES 2206Pizzeria Queries |
CSES |
| CSES 3304Visible Buildings Queries |
CSES |
| CSES 3163Range Interval Queries |
CSES |
| CSES 1190Subarray Sum Queries |
CSES |
| CSES 3226Subarray Sum Queries II |
CSES |
| CSES 1734Distinct Values Queries |
CSES |
| CSES 3356Distinct Values Queries II |
CSES |
| CSES 2416Increasing Array Queries |
CSES |
| CSES 1664Movie Festival Queries |
CSES |
| CSES 1739Forest Queries II |
CSES |
| CSES 1735Range Updates and Sums |
CSES |
| CSES 1736Polynomial Queries |
CSES |
| CSES 1737Range Queries and Copies |
CSES |
| CSES 2184Missing Coin Sum Queries |
CSES |
| 樹演算法Tree Algorithms16 題 · 中文 16 |
| CSES 1674Subordinates |
CSES |
| CSES 1130Tree Matching |
CSES |
| CSES 1131Tree Diameter |
CSES |
| CSES 1132Tree Distances I |
CSES |
| CSES 1133Tree Distances II |
CSES |
| CSES 1687Company Queries I |
CSES |
| CSES 1688Company Queries II |
CSES |
| CSES 1135Distance Queries |
CSES |
| CSES 1136Counting Paths |
CSES |
| CSES 1137Subtree Queries |
CSES |
| CSES 1138Path Queries |
CSES |
| CSES 2134Path Queries II |
CSES |
| CSES 1139Distinct Colors |
CSES |
| CSES 2079Finding a Centroid |
CSES |
| CSES 2080Fixed-Length Paths I |
CSES |
| CSES 2081Fixed-Length Paths II |
CSES |
| 數學Mathematics37 題 · 中文 37 |
| CSES 2164Josephus Queries |
CSES |
| CSES 1095Exponentiation |
CSES |
| CSES 1712Exponentiation II |
CSES |
| CSES 1713Counting Divisors |
CSES |
| CSES 1081Common Divisors |
CSES |
| CSES 1082Sum of Divisors |
CSES |
| CSES 2182Divisor Analysis |
CSES |
| CSES 2185Prime Multiples |
CSES |
| CSES 2417Counting Coprime Pairs |
CSES |
| CSES 3396Next Prime |
CSES |
| CSES 1079Binomial Coefficients |
CSES |
| CSES 1715Creating Strings II |
CSES |
| CSES 1716Distributing Apples |
CSES |
| CSES 1717Christmas Party |
CSES |
| CSES 3397Permutation Order |
CSES |
| CSES 3398Permutation Rounds |
CSES |
| CSES 2064Bracket Sequences I |
CSES |
| CSES 2187Bracket Sequences II |
CSES |
| CSES 2209Counting Necklaces |
CSES |
| CSES 2210Counting Grids |
CSES |
| CSES 1722Fibonacci Numbers |
CSES |
| CSES 1096Throwing Dice |
CSES |
| CSES 1723Graph Paths I |
CSES |
| CSES 1724Graph Paths II |
CSES |
| CSES 3154System of Linear Equations |
CSES |
| CSES 3355Sum of Four Squares |
CSES |
| CSES 3406Triangle Number Sums |
CSES |
| CSES 1725Dice Probability |
CSES |
| CSES 1726Moving Robots |
CSES |
| CSES 1727Candy Lottery |
CSES |
| CSES 1728Inversion Probability |
CSES |
| CSES 1729Stick Game |
CSES |
| CSES 1730Nim Game I |
CSES |
| CSES 1098Nim Game II |
CSES |
| CSES 1099Stair Game |
CSES |
| CSES 2207Grundy's Game |
CSES |
| CSES 2208Another Game |
CSES |
| 字串演算法String Algorithms21 題 · 中文 21 |
| CSES 1731Word Combinations |
CSES |
| CSES 1753String Matching |
CSES |
| CSES 1732Finding Borders |
CSES |
| CSES 1733Finding Periods |
CSES |
| CSES 1110Minimal Rotation |
CSES |
| CSES 1111Longest Palindrome |
CSES |
| CSES 3138All Palindromes |
CSES |
| CSES 1112Required Substring |
CSES |
| CSES 2420Palindrome Queries |
CSES |
| CSES 2102Finding Patterns |
CSES |
| CSES 2103Counting Patterns |
CSES |
| CSES 2104Pattern Positions |
CSES |
| CSES 2105Distinct Substrings |
CSES |
| CSES 1149Distinct Subsequences |
CSES |
| CSES 2106Repeating Substring |
CSES |
| CSES 2107String Functions |
CSES |
| CSES 3225Inverse Suffix Array |
CSES |
| CSES 1113String Transform |
CSES |
| CSES 2108Substring Order I |
CSES |
| CSES 2109Substring Order II |
CSES |
| CSES 2110Substring Distribution |
CSES |
| 幾何Geometry16 題 · 中文 16 |
| CSES 2189Point Location Test |
CSES |
| CSES 2190Line Segment Intersection |
CSES |
| CSES 2191Polygon Area |
CSES |
| CSES 2192Point in Polygon |
CSES |
| CSES 2193Polygon Lattice Points |
CSES |
| CSES 2194Minimum Euclidean Distance |
CSES |
| CSES 2195Convex Hull |
CSES |
| CSES 3410Maximum Manhattan Distances |
CSES |
| CSES 3411All Manhattan Distances |
CSES |
| CSES 1740Intersection Points |
CSES |
| CSES 3427Line Segments Trace I |
CSES |
| CSES 3428Line Segments Trace II |
CSES |
| CSES 3429Lines and Queries I |
CSES |
| CSES 3430Lines and Queries II |
CSES |
| CSES 1741Area of Rectangles |
CSES |
| CSES 1742Robot Path |
CSES |
| 進階技巧Advanced Techniques25 題 · 中文 25 |
| CSES 1628Meet in the Middle |
CSES |
| CSES 2136Hamming Distance |
CSES |
| CSES 3360Corner Subgrid Check |
CSES |
| CSES 2137Corner Subgrid Count |
CSES |
| CSES 2138Reachable Nodes |
CSES |
| CSES 2143Reachability Queries |
CSES |
| CSES 2072Cut and Paste |
CSES |
| CSES 2073Substring Reversals |
CSES |
| CSES 2074Reversals and Sums |
CSES |
| CSES 2076Necessary Roads |
CSES |
| CSES 2077Necessary Cities |
CSES |
| CSES 2078Eulerian Subgraphs |
CSES |
| CSES 2084Monster Game I |
CSES |
| CSES 2085Monster Game II |
CSES |
| CSES 2086Subarray Squares |
CSES |
| CSES 2087Houses and Schools |
CSES |
| CSES 2088Knuth Division |
CSES |
| CSES 2111Apples and Bananas |
CSES |
| CSES 2112One Bit Positions |
CSES |
| CSES 2113Signal Processing |
CSES |
| CSES 2101New Roads Queries |
CSES |
| CSES 2133Dynamic Connectivity |
CSES |
| CSES 2121Parcel Delivery |
CSES |
| CSES 2129Task Assignment |
CSES |
| CSES 2130Distinct Routes II |
CSES |
| 滑動視窗Sliding Window Problems11 題 · 中文 11 |
| CSES 3220Sliding Window Sum |
CSES |
| CSES 3221Sliding Window Minimum |
CSES |
| CSES 3426Sliding Window Xor |
CSES |
| CSES 3405Sliding Window Or |
CSES |
| CSES 3222Sliding Window Distinct Values |
CSES |
| CSES 3224Sliding Window Mode |
CSES |
| CSES 3219Sliding Window Mex |
CSES |
| CSES 1076Sliding Window Median |
CSES |
| CSES 1077Sliding Window Cost |
CSES |
| CSES 3223Sliding Window Inversions |
CSES |
| CSES 3227Sliding Window Advertisement |
CSES |
| 互動題Interactive Problems6 題 · 中文 6 |
| CSES 3112Hidden Integer |
CSES |
| CSES 3139Hidden Permutation |
CSES |
| CSES 3305K-th Highest Score |
CSES |
| CSES 3228Permuted Binary Strings |
CSES |
| CSES 3273Colored Chairs |
CSES |
| CSES 3140Inversion Sorting |
CSES |
| 位元運算Bitwise Operations11 題 · 中文 11 |
| CSES 1146Counting Bits |
CSES |
| CSES 1655Maximum Xor Subarray |
CSES |
| CSES 3191Maximum Xor Subset |
CSES |
| CSES 3211Number of Subset Xors |
CSES |
| CSES 3192K Subset Xors |
CSES |
| CSES 3233All Subarray Xors |
CSES |
| CSES 2419Xor Pyramid Peak |
CSES |
| CSES 3194Xor Pyramid Diagonal |
CSES |
| CSES 3195Xor Pyramid Row |
CSES |
| CSES 1654SOS Bit Problem |
CSES |
| CSES 3141And Subset Count |
CSES |
| 構造題Construction Problems8 題 · 中文 8 |
| CSES 2214Inverse Inversions |
CSES |
| CSES 2215Monotone Subsequences |
CSES |
| CSES 3422Third Permutation |
CSES |
| CSES 3423Permutation Prime Sums |
CSES |
| CSES 1697Chess Tournament |
CSES |
| CSES 3424Distinct Sums Grid |
CSES |
| CSES 2423Filling Trominos |
CSES |
| CSES 2418Grid Path Construction |
CSES |
| 進階圖論Advanced Graph Problems28 題 · 中文 28 |
| CSES 3303Nearest Shops |
CSES |
| CSES 1134Prüfer Code |
CSES |
| CSES 1702Tree Traversals |
CSES |
| CSES 1757Course Schedule II |
CSES |
| CSES 1756Acyclic Graph Edges |
CSES |
| CSES 2177Strongly Connected Edges |
CSES |
| CSES 2179Even Outdegree Edges |
CSES |
| CSES 1707Graph Girth |
CSES |
| CSES 3357Fixed Length Walk Queries |
CSES |
| CSES 3111Transfer Speeds Sum |
CSES |
| CSES 3407MST Edge Check |
CSES |
| CSES 3408MST Edge Set Check |
CSES |
| CSES 3409MST Edge Cost |
CSES |
| CSES 1677Network Breakdown |
CSES |
| CSES 3114Tree Coin Collecting I |
CSES |
| CSES 3149Tree Coin Collecting II |
CSES |
| CSES 1700Tree Isomorphism I |
CSES |
| CSES 1701Tree Isomorphism II |
CSES |
| CSES 1699Flight Route Requests |
CSES |
| CSES 1703Critical Cities |
CSES |
| CSES 1203Visiting Cities |
CSES |
| CSES 3308Graph Coloring |
CSES |
| CSES 3158Bus Companies |
CSES |
| CSES 3358Split into Two Paths |
CSES |
| CSES 1704Network Renovation |
CSES |
| CSES 1705Forbidden Cities |
CSES |
| CSES 1752Creating Offices |
CSES |
| CSES 1685New Flight Routes |
CSES |
| 計數問題Counting Problems18 題 · 中文 18 |
| CSES 3413Filled Subgrid Count I |
CSES |
| CSES 3414Filled Subgrid Count II |
CSES |
| CSES 3415All Letter Subgrid Count I |
CSES |
| CSES 3416All Letter Subgrid Count II |
CSES |
| CSES 3417Border Subgrid Count I |
CSES |
| CSES 3418Border Subgrid Count II |
CSES |
| CSES 3400Raab Game II |
CSES |
| CSES 1080Empty String |
CSES |
| CSES 2229Permutation Inversions |
CSES |
| CSES 2176Counting Bishops |
CSES |
| CSES 2228Counting Sequences |
CSES |
| CSES 1078Grid Paths II |
CSES |
| CSES 1075Counting Permutations |
CSES |
| CSES 2429Grid Completion |
CSES |
| CSES 2421Counting Reorders |
CSES |
| CSES 3232Tournament Graph Distribution |
CSES |
| CSES 3157Collecting Numbers Distribution |
CSES |
| CSES 2415Functional Graph Distribution |
CSES |
| 附加題 IAdditional Problems I30 題 · 中文 30 |
| CSES 1087Shortest Subsequence |
CSES |
| CSES 3150Distinct Values Sum |
CSES |
| CSES 3190Distinct Values Splits |
CSES |
| CSES 1670Swap Game |
CSES |
| CSES 3175Beautiful Permutation II |
CSES |
| CSES 2422Multiplication Table |
CSES |
| CSES 3151Bubble Sort Rounds I |
CSES |
| CSES 3152Bubble Sort Rounds II |
CSES |
| CSES 3306Nearest Campsites I |
CSES |
| CSES 3307Nearest Campsites II |
CSES |
| CSES 1142Advertisement |
CSES |
| CSES 2186Special Substrings |
CSES |
| CSES 3169Counting LCM Arrays |
CSES |
| CSES 3193Square Subsets |
CSES |
| CSES 3294Subarray Sum Constraints |
CSES |
| CSES 3213Water Containers Moves |
CSES |
| CSES 3214Water Containers Queries |
CSES |
| CSES 2425Stack Weights |
CSES |
| CSES 3301Maximum Average Subarrays |
CSES |
| CSES 3302Subsets with Fixed Average |
CSES |
| CSES 3361Two Array Average |
CSES |
| CSES 1747Pyramid Array |
CSES |
| CSES 3404Permutation Subsequence |
CSES |
| CSES 1188Bit Inversions |
CSES |
| CSES 1086Writing Numbers |
CSES |
| CSES 2427Letter Pair Move Game |
CSES |
| CSES 1147Maximum Building I |
CSES |
| CSES 1162Sorting Methods |
CSES |
| CSES 1191Cyclic Array |
CSES |
| CSES 2414List of Sums |
CSES |
| 附加題 IIAdditional Problems II30 題 · 中文 30 |
| CSES 3215Bouncing Ball Steps |
CSES |
| CSES 3216Bouncing Ball Cycle |
CSES |
| CSES 3218Knight Moves Queries |
CSES |
| CSES 3108K Subset Sums I |
CSES |
| CSES 3109K Subset Sums II |
CSES |
| CSES 2132Increasing Array II |
CSES |
| CSES 1189Food Division |
CSES |
| CSES 1698Swap Round Sorting |
CSES |
| CSES 2430Binary Subsequences |
CSES |
| CSES 1706School Excursion |
CSES |
| CSES 1709Coin Grid |
CSES |
| CSES 3312Grid Coloring II |
CSES |
| CSES 2426Programmers and Artists |
CSES |
| CSES 2174Removing Digits II |
CSES |
| CSES 2180Coin Arrangement |
CSES |
| CSES 3159Replace with Difference |
CSES |
| CSES 2432Grid Puzzle I |
CSES |
| CSES 2131Grid Puzzle II |
CSES |
| CSES 2115Bit Substrings |
CSES |
| CSES 2075Reversal Sorting |
CSES |
| CSES 1159Book Shop II |
CSES |
| CSES 3161GCD Subsets |
CSES |
| CSES 3402Minimum Cost Pairs |
CSES |
| CSES 3425Same Sum Subsets |
CSES |
| CSES 1157Mex Grid Queries |
CSES |
| CSES 1148Maximum Building II |
CSES |
| CSES 1161Stick Divisions |
CSES |
| CSES 3401Stick Difference |
CSES |
| CSES 1665Coding Company |
CSES |
| CSES 2402Two Stacks Sorting |
CSES |