nCr
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n programmers taken r at a time! ###Input: - First line contains $N$ - Length of String. - Next line contains a string $S$ ###Output: A single integer. ###Constraints - $N = $3, $S[2] = $C, $1 \leq $S[1], $S[2] \leq $9 (1-based indexing) ###Sample Input: 3 6C1 ###Sample Output: 1729
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solution.cppC++17
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