Magyar Information Contest Journal Articles

# Problem C. 1318. (November 2015)

C. 1318. The number 518 has an interesting property. Consider the six three-digit numbers obtained with the different permutations of the digits of 518. The mean of these numbers is equal to 518. Find all three-digit numbers of different digits with this property.

(5 pont)

Deadline expired on 10 December 2015.

### Statistics:

 211 students sent a solution. 5 points: 81 students. 4 points: 47 students. 3 points: 16 students. 2 points: 26 students. 1 point: 25 students. 0 point: 13 students. Unfair, not evaluated: 1 solution. Unfair, not evaluated: 2 solutions.

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