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Problems

Math
Difficulty
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3195
The Balance
3207
Double Necklace
Very hard
3211
Holidays
Very easy
3216
Stringorial
Easy
3233
k-perfect numbers
Medium
3234
Quadratic equation 1
Easy
3235
Interesting number
Easy
3237
The algorithm of Petya
Very easy
3240
Funny game
Easy
3243
GCD-determinant
Very easy
3244
Some of the roots
Easy
3246
The sum of digits
Easy
3247
Fermat
Medium
3259
Divisors
Very easy
3262
Trolling
Very easy
3267
Rabbits and Polygons. HARD
Hard
3268
Pereliybol
Easy
3270
Tree of Resistors
3272
The Wolf and the Hare
Easy
3323
Jealous Numbers
Easy
3325
Worst Locations
Very easy
3336
Hexagram
Easy
3349
Cube Root
Very easy
3354
Sum
Very easy
3356
Numbers
Very hard
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