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Symmetry 2#251
कठिन · Geometry
Not Everything Short is Simple#252
मध्यम · Math
Watermelon Festival#253
कठिन · Implementation · Math
Mars Kingdom#254
बहुत आसान · Dynamic programming
License Software#255
बहुत आसान · Math
Continued fraction#256
बहुत आसान · Implementation · Math
Gambling#257
बहुत आसान · Brute force · String suffix structures
Box of Chocolates#258
आसान · Dynamic programming · Sorting · Math
Genetic Engineering#259
बहुत आसान · Binary Search
Pumpkin porridge#260
बहुत आसान · Sorting
Aliquot Fractions#261
कठिन · Dynamic programming
The staircase#262
बहुत आसान · Dynamic programming
Three ones#263
बहुत आसान · Dynamic programming
The longest divisible subsequence#264
आसान · Bitsets
Vertex Cover#265
आसान · Graphs
Comparison#266
बहुत आसान · Implementation
Subtraction#267
बहुत आसान · Implementation
Star Routes#268
बहुत आसान · Graphs
Four Circles#269
बहुत आसान · Geometry
CheckSum#270
आसान · Hashing
Factorial!#271
आसान · Math
Multiplication#272
आसान · Math
Modular Exponentiation#273
बहुत आसान · Math
Type printer#274
मध्यम · Greedy algorithms · Strings
Islands#275
कठिन · Dynamic programming · Graphs