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1  // Copyright (c) 2014 The Chromium Authors. All rights reserved.
2  // Use of this source code is governed by a BSD-style license that can be
3  // found in the LICENSE file.
4  
5  #ifndef TOOLS_CLANG_TRANSLATION_UNIT_TEST_FILES_TEST_H_
6  #define TOOLS_CLANG_TRANSLATION_UNIT_TEST_FILES_TEST_H_
7  
8  #include "binomial.h"
9  
10  // Number of ways to distribute n items of the same thing to k persons; each
11  // person should get at least one item.
calculateNumberOfWaysToDistributeNItemsAmongKPersons(int n,int k)12  int calculateNumberOfWaysToDistributeNItemsAmongKPersons(int n, int k) {
13    return binomial(n - 1, k - 1);
14  }
15  
16  #endif  // TOOLS_CLANG_TRANSLATION_UNIT_TEST_FILES_TEST_H_
17