المسائل
Hyper Harmonic number#3210
سهل جدًا · Number theory
Holidays#3211
سهل جدًا · Math
Instant messaging system#3212
سهل · Brute force
Dolphins#3213
سهل جدًا · Implementation
Drafts and rabbits#3214
سهل جدًا · Dynamic programming
Rabbit's planet#3215
صعب · Geometry
Stringorial#3216
سهل · String suffix structures · Math
New Year#3217
سهل جدًا · Hashing
Rectangles#3218
سهل · Implementation
Stockbroker Grapevine#3219
متوسط · Shortest paths · Graphs
Frame Stacking#3220
صعب · Graphs · Depth-first Search
Channel Allocation#3221
متوسط · Graphs · Brute force · Depth-first Search
Alien Security#3222
صعب · Graphs · Depth-first Search · Breadth-first Search
Octal Fractions#3223
متوسط
Euro Efficiency#3225
متوسط · Dynamic programming · Breadth-first Search · Shortest paths
Markov Trains#3226
صعب جدًا · Graphs · Dynamic programming
Hansel and Grethel#3227
سهل جدًا · Geometry
Floors#3228
صعب · Greedy algorithms · Sorting · Scanline / Sweep Line
The Picnic#3229
سهل · Geometry
Pearls#3230
متوسط · Dynamic programming · Prefix Sums
Huffman Trees#3231
سهل · Brute force · Dynamic programming
Input#3232
سهل · Implementation
k-perfect numbers#3233
متوسط · Number theory · Math
Quadratic equation 1#3234
سهل · Number theory · Math
Interesting number#3235
سهل · Brute force · Math