Finding the position of the max element

Question

Is there a standard function that returns the position not value  of the max element of an array of values   For example   Suppose I have an array like this   sampleArray    1  5  2  9  4  6  3    I want a function that returns the integer of 3 that tells me that sampleArray 3  is the largest value in the array

User · Answer

STL has a max elements function  Here is an example  http   www cplusplus com reference algorithm max element

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std  max element takes two iterators delimiting a sequence and returns an iterator pointing to the maximal element in that sequence  You can additionally pass a predicate to the function that defines the ordering of elements

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Or  written in one line   std  cout  lt  lt  std  distance sampleArray begin   std  max element sampleArray begin    sampleArray end

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You can use max element   function to find the position of the max element   int main         int num  arr 10       int x  y  a  b       cin  gt  gt  num       for  int i   0  i  lt  num  i                  cin  gt  gt  arr i              cout  lt  lt   Max element Index     lt  lt  max element arr  arr   num  - arr       return 0

User · Answer

In the STL  std  max element provides the iterator  which can be used to get index with std  distance  if you really want it    int main int argc  char   argv      int A 4     0  2  3  1     const int N   sizeof A    sizeof int      cout  lt  lt   Index of max element            lt  lt  distance A  max element A  A   N           lt  lt  endl     return 0

[c++] Finding the position of the max element

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