#ifndef CYCLESOFGRAPG#define CYCLESOFGRAPG#include <stdlib.h>#include <iostream.h> // C++ I/O library header//#include <iomanip.h>class NodesOfGraph{ public:  int numOfParityConnections;  int *parityConnections;  int numOfSymbolConnections;  int *symbolConnections;  int numOfSymbolMapping;  int *symbolMapping;  NodesOfGraph(void);  ~NodesOfGraph(void);  void setParityConnections(int num, int *value);  void setSymbolConnections(int num, int *value);  void setSymbolMapping(int num, int *values);}; //Why this is necessary?class CyclesOfGraph { public:  int M, N;  int *(*H);  int *cyclesTable;  NodesOfGraph *nodesOfGraph;  CyclesOfGraph(int mm, int n, int *(*h));  ~CyclesOfGraph(void);  void getCyclesTable(void);  void printCyclesTable(void);  int girth(void); private:  int *tmp, *med, *tmpCycles;};#endif