C + + positioning new memory leak __c++

Debug.cpp: Defines the entry point for a console application.
//
#include "stdafx.h"
#include <assert.h>
#include <iostream>


#ifdef _DEBUG
#define Debug_clientblock   New (_client_block, __file__, __line__)
#else
#define Debug_clientblock
endif
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#ifdef _DEBUG
#define NEW Debug_ Clientblock
#endif



void Exit ()
{
    int i = _CrtDumpMemoryLeaks ();
    _wassert (_crt_wide ("Memory Leak"), _crt_wide (__file__), __line__);
    ASSERT (i==0);
}
int _tmain (int argc, _tchar* argv[])
{
    atexit (Exit);
    int* p = new int ();
    System ("pause");
    return 0;
}

Navigate to the number of new rows without delete as shown in the figure