编写一个递归子程序，计算指数函数Xn的值，其中X，n从键盘输入。

[weixin_41003946]

求帮忙aaaa,tainanle帮帮忙

[赵4老师]

	TITLE	c:\tmp\tmp\err.cpp
	.386P
include listing.inc
if @Version gt 510
.model FLAT
else
_TEXT	SEGMENT PARA USE32 PUBLIC 'CODE'
_TEXT	ENDS
_DATA	SEGMENT DWORD USE32 PUBLIC 'DATA'
_DATA	ENDS
CONST	SEGMENT DWORD USE32 PUBLIC 'CONST'
CONST	ENDS
_BSS	SEGMENT DWORD USE32 PUBLIC 'BSS'
_BSS	ENDS
$$SYMBOLS	SEGMENT BYTE USE32 'DEBSYM'
$$SYMBOLS	ENDS
$$TYPES	SEGMENT BYTE USE32 'DEBTYP'
$$TYPES	ENDS
_TLS	SEGMENT DWORD USE32 PUBLIC 'TLS'
_TLS	ENDS
;	COMDAT ??_C@_05IKCD@?$CFlf?$CFd?$AA@
CONST	SEGMENT DWORD USE32 PUBLIC 'CONST'
CONST	ENDS
;	COMDAT ??_C@_0M@EFMC@?$CFlg?$FO?$CFd?$DN?$CFlg?6?$AA@
CONST	SEGMENT DWORD USE32 PUBLIC 'CONST'
CONST	ENDS
;	COMDAT ?e@@YANNH@Z
_TEXT	SEGMENT PARA USE32 PUBLIC 'CODE'
_TEXT	ENDS
;	COMDAT _main
_TEXT	SEGMENT PARA USE32 PUBLIC 'CODE'
_TEXT	ENDS
FLAT	GROUP _DATA, CONST, _BSS
	ASSUME	CS: FLAT, DS: FLAT, SS: FLAT
endif
PUBLIC	?e@@YANNH@Z					; e
PUBLIC	__real@8@3fff8000000000000000
EXTRN	__fltused:NEAR
;	COMDAT __real@8@3fff8000000000000000

[赵4老师]

; File c:\tmp\tmp\err.cpp
CONST	SEGMENT
__real@8@3fff8000000000000000 DQ 03ff0000000000000r ; 1
CONST	ENDS
;	COMDAT ?e@@YANNH@Z
_TEXT	SEGMENT
_x$ = 8
_n$ = 16
?e@@YANNH@Z PROC NEAR					; e, COMDAT

; 2    : double e(double x,int n) {

	push	ebp
	mov	ebp, esp
	sub	esp, 72					; 00000048H
	push	ebx
	push	esi
	push	edi

; 3    :     if (n==0) return 1.0;

	cmp	DWORD PTR _n$[ebp], 0
	jne	SHORT $L583
	fld	QWORD PTR __real@8@3fff8000000000000000
	jmp	SHORT $L585
$L583:

; 4    :     if (n>0) return x*e(x,n-1);

	cmp	DWORD PTR _n$[ebp], 0
	jle	SHORT $L584
	mov	eax, DWORD PTR _n$[ebp]
	sub	eax, 1
	push	eax
	mov	ecx, DWORD PTR _x$[ebp+4]
	push	ecx
	mov	edx, DWORD PTR _x$[ebp]
	push	edx
	call	?e@@YANNH@Z				; e
	add	esp, 12					; 0000000cH
	fmul	QWORD PTR _x$[ebp]
	jmp	SHORT $L585
$L584:

; 5    :     else return 1.0/x*e(x,n+1);

	fld	QWORD PTR __real@8@3fff8000000000000000
	fdiv	QWORD PTR _x$[ebp]
	fstp	QWORD PTR -8+[ebp]

[赵4老师]

	mov	eax, DWORD PTR _n$[ebp]
	add	eax, 1
	push	eax
	mov	ecx, DWORD PTR _x$[ebp+4]
	push	ecx
	mov	edx, DWORD PTR _x$[ebp]
	push	edx
	call	?e@@YANNH@Z				; e
	add	esp, 12					; 0000000cH
	fmul	QWORD PTR -8+[ebp]
$L585:

; 6    : }

	pop	edi
	pop	esi
	pop	ebx
	mov	esp, ebp
	pop	ebp
	ret	0
?e@@YANNH@Z ENDP					; e
_TEXT	ENDS
PUBLIC	_main
PUBLIC	??_C@_05IKCD@?$CFlf?$CFd?$AA@			; `string'
PUBLIC	??_C@_0M@EFMC@?$CFlg?$FO?$CFd?$DN?$CFlg?6?$AA@	; `string'
EXTRN	__imp__printf:NEAR
EXTRN	__imp__scanf:NEAR
;	COMDAT ??_C@_05IKCD@?$CFlf?$CFd?$AA@
; File c:\tmp\tmp\err.cpp
CONST	SEGMENT
??_C@_05IKCD@?$CFlf?$CFd?$AA@ DB '%lf%d', 00H		; `string'
CONST	ENDS
;	COMDAT ??_C@_0M@EFMC@?$CFlg?$FO?$CFd?$DN?$CFlg?6?$AA@
CONST	SEGMENT
??_C@_0M@EFMC@?$CFlg?$FO?$CFd?$DN?$CFlg?6?$AA@ DB '%lg^%d=%lg', 0aH, 00H ; `string'
CONST	ENDS
;	COMDAT _main
_TEXT	SEGMENT
_x$ = -8
_xn$ = -16
_n$ = -20
_main	PROC NEAR					; COMDAT

; 7    : int main() {

	push	ebp
	mov	ebp, esp
	sub	esp, 84					; 00000054H

[「已注销」]

首先你得说你得编译器是什么，masm，nasm，fasm，masn32，gas，他们各自语法都不一样