#include<iostream>

using namespace std;

int main()

{

    int a[] = {,,,,,};

    int *p = a;

    for (int i = ; i < ; i++) {

        *(p++) = *p;

    }

    cout<<"===="<<endl;

    for (int i = ; i < ; i++) {

        cout << a[i] << endl;

    }

    cout <<  << endl;

    return ;

}

2,3,4,5,6

1,2,3,4,5

#include<iostream>

using namespace std;

int main()

{

    int a[] = {1,2,3,4,5,6};

    int *p = a;

    for (int i = 0; i < 5; i++) {

        *(p++) = *p;

    }

    return 0;

}

	.file	"ex2.cpp"

	.local	_ZStL8__ioinit

	.comm	_ZStL8__ioinit,1,1

	.text

	.globl	main

	.type	main, @function

main:

.LFB1021:

	.cfi_startproc

	pushq	%rbp

	.cfi_def_cfa_offset 16

	.cfi_offset 6, -16

	movq	%rsp, %rbp

	.cfi_def_cfa_register 6

	movl	$1, -48(%rbp)

	movl	$2, -44(%rbp)

	movl	$3, -40(%rbp)

	movl	$4, -36(%rbp)

	movl	$5, -32(%rbp)

	movl	$6, -28(%rbp)

	leaq	-48(%rbp), %rax

	movq	%rax, -8(%rbp)

	movl	$0, -12(%rbp)

.L3:

	cmpl	$4, -12(%rbp)

	jg	.L2

	movq	-8(%rbp), %rax

	leaq	4(%rax), %rdx

	movq	%rdx, -8(%rbp)

	movq	-8(%rbp), %rdx

	movl	(%rdx), %edx

	movl	%edx, (%rax)

	addl	$1, -12(%rbp)

	jmp	.L3

.L2:

	movl	$0, %eax

	popq	%rbp

	.cfi_def_cfa 7, 8

	ret

	.cfi_endproc

.LFE1021:

	.size	main, .-main

	.type	_Z41__static_initialization_and_destruction_0ii, @function

_Z41__static_initialization_and_destruction_0ii:

.LFB1022:

	.cfi_startproc

	pushq	%rbp

	.cfi_def_cfa_offset 16

	.cfi_offset 6, -16

	movq	%rsp, %rbp

	.cfi_def_cfa_register 6

	subq	$16, %rsp

	movl	%edi, -4(%rbp)

	movl	%esi, -8(%rbp)

	cmpl	$1, -4(%rbp)

	jne	.L7

	cmpl	$65535, -8(%rbp)

	jne	.L7

	movl	$_ZStL8__ioinit, %edi

	call	_ZNSt8ios_base4InitC1Ev

	movl	$__dso_handle, %edx

	movl	$_ZStL8__ioinit, %esi

	movl	$_ZNSt8ios_base4InitD1Ev, %edi

	call	__cxa_atexit

.L7:

	nop

	leave

	.cfi_def_cfa 7, 8

	ret

	.cfi_endproc

.LFE1022:

	.size	_Z41__static_initialization_and_destruction_0ii, .-_Z41__static_initialization_and_destruction_0ii

	.type	_GLOBAL__sub_I_main, @function

_GLOBAL__sub_I_main:

.LFB1023:

	.cfi_startproc

	pushq	%rbp

	.cfi_def_cfa_offset 16

	.cfi_offset 6, -16

	movq	%rsp, %rbp

	.cfi_def_cfa_register 6

	movl	$65535, %esi

	movl	$1, %edi

	call	_Z41__static_initialization_and_destruction_0ii

	popq	%rbp

	.cfi_def_cfa 7, 8

	ret

	.cfi_endproc

.LFE1023:

	.size	_GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main

	.section	.init_array,"aw"

	.align 8

	.quad	_GLOBAL__sub_I_main

	.hidden	__dso_handle

	.ident	"GCC: (GNU) 5.3.0"

	.section	.note.GNU-stack,"",@progbits