checksums.h

算法类

#include "MERGE-SORT.h"
#include "BINARY-SEARCH.h"

inline bool checksums(int*A,int n,int v)
{
  MERGE_SORT(A,0,n);
  for(int i=0;i!=n;++i)
    {
      if(BINARY_SEARCH(A,n,v-A[i]) != -1)
	return true;
    }
  return false;
}