Codeforces Round #690 (Div. 3) E2. Close Tuples (hard version) Lucas combination number inverse element - Code World

Codeforces Round #690 (Div. 3) E2. Close Tuples (hard version) Lucas combination number inverse element

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Codeforces Round #690 (Div. 3) E2. Close Tuples (hard version) Lucas combination number inverse element

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