# Find the Batting Average of a batsman

Given three integers runs, matches, and notout representing the number of runs scored, number of innings played by the batsman and number of times he remained Not Out respectively, the task is to calculate the Batting Average of the batsman. where Note: If the batsman was never dismissed, print “NA” as the no average can be defined.

Examples:

Input: runs = 10000, matches = 250, notout = 50
Output: 50
Explaination:
Number of times batsman was dismissed = 250 – 50 = 200
Batting Average = 10000 / 200 = 50.

Input: runs = 100, matches = 1, notout = 1
Output: NA

## Recommended: Please try your approach on {IDE} first, before moving on to the solution.

Approach:
Follow the steps below to solve the problem:

1. Calculate the number of dismissals, equal to matches – notout.
2. Calculate the Batting Average, equal to runs/ (matches – notout).

Below is the implementation of the above approach:

## C++

 // C++ program to calculate  // the average of a batsman  #include  using namespace std;     // Function to find the average  // of a batsman  double averageRuns(int runs,                     int matches,                     int notout)  {      // Calculate number of      // dismissals      int out = matches - notout;         // check for 0 times out      if (out == 0)          return -1;         // Calculate batting average      double avg = double(runs) / out;         return avg;  }     // Driver Program  int main()  {      int runs = 10000;      int matches = 250;      int notout = 50;         double avg          = averageRuns(              runs, matches, notout);         if (avg == -1)          cout << "NA";      else         cout << avg;         return 0;  }

## Java

 // Java program to calculate   // the average of a batsman   class GFG{          // Function to find the average   // of a batsman   static int averageRuns(int runs,                          int matches,                          int notout)   {              // Calculate number of       // dismissals       int out = matches - notout;          // Check for 0 times out       if (out == 0)           return -1;          // Calculate batting average       int avg = (runs) / out;          return avg;   }      // Driver code   public static void main(String[] args)   {       int runs = 10000;       int matches = 250;       int notout = 50;          int avg = averageRuns(runs, matches,                                   notout);       if (avg == -1)           System.out.print("NA");       else         System.out.print(avg);   }  }     // This code is contributed by Ritik Bansal

## Python3

 # Python3 program to calculate  # the average of a batsman     # Function to find the average  # of a batsman  def averageRuns(runs, matches, notout):         # Calculate number of      # dismissals      out = matches - notout;         # check for 0 times out      if (out == 0):          return -1;         # Calculate batting average      avg = runs // out;         return avg;     # Driver Program  runs = 10000;  matches = 250;  notout = 50;     avg = averageRuns(runs, matches, notout);     if (avg == -1):      print("NA");  else:      print(avg);     # This code is contributed by Akanksha_rai

## C#

 // C# program to calculate   // the average of a batsman  using System;  class GFG{           // Function to find the average   // of a batsman   static int averageRuns(int runs,                          int matches,                          int notout)   {               // Calculate number of       // dismissals       int out1;      out1 = matches - notout;           // Check for 0 times out       if (out1 == 0)           return -1;           // Calculate batting average       int avg = (runs) / out1;           return avg;   }       // Driver code   public static void Main (string[] args)  {       int runs = 10000;       int matches = 250;       int notout = 50;           int avg = averageRuns(runs, matches,                                   notout);       if (avg == -1)           Console.Write("NA");       else         Console.Write(avg);   }  }      // This code is contributed by rock_cool

Output:

50


Time Complexity: O(1)
Auxiliary Space: O(1)

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