olymmath

AIME 2010a Problem 10

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Let NN be the number of ways to write 20102010 in the form 2010=a3⋅103+a2⋅102+a1⋅10+a02010 = a_3 \cdot 10^3 + a_2 \cdot 10^2 + a_1 \cdot 10 + a_0, where the aia_i's are integers, and 0≤ai≤990 \le a_i \le 99. An example of such a representation is 1⋅103+3⋅102+67⋅101+40⋅1001\cdot 10^3 + 3\cdot 10^2 + 67\cdot 10^1 + 40\cdot 10^0. Find NN.

Dataset text AIME 1983 to 2026. Quoted with source.

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