#ifndef POPULATION_H
#define POPULATION_H

class POPULATION
{
public:
  int **initializePopulation(int individuals, int genes, bool FILL_ZERO = false);
  int createRandomPopulation(int **population, int individuals, int genes);
};

#endif

#ifndef POPULATION_H
#define POPULATION_H

class POPULATION
{
public:
  int **initializePopulation(int individuals, int genes, bool FILL_ZERO = false);
  int **createRandomPopulation(int **population, int individuals, int genes);
};

#endif

--- 
+++ 
@@ -5,7 +5,7 @@
 {
 public:
   int **initializePopulation(int individuals, int genes, bool FILL_ZERO = false);
-  int **createRandomPopulation(int **population, int individuals, int genes);
+  int createRandomPopulation(int **population, int individuals, int genes);
 };
 
 #endif
Update return datatype function 'createRandomPopulation'.
