Magyar Information Contest Journal Articles

Problem C. 1245. (October 2014)

C. 1245. Consider two consecutive triangular numbers and add one of them to the triple of the other. Prove that the result is also a triangular number.

(5 pont)

Deadline expired on November 10, 2014.

Statistics:

 198 students sent a solution. 5 points: 145 students. 4 points: 30 students. 3 points: 7 students. 2 points: 5 students. 1 point: 6 students. 0 point: 5 students.

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