Quick introduction to reverse engineering for beginners

mov ebx, DWORD PTR _c$[ebp]
push esi
mov esi, DWORD PTR _b$[ebp]
sub edx, esi
push edi
sub esi, ebx
mov DWORD PTR tv315[ebp], 100 ; 00000064H
$LL9@m:
mov eax, ebx
mov DWORD PTR tv291[ebp], 300 ; 0000012cH
$LL6@m:
fldz
lea ecx, DWORD PTR [esi+eax]
fstp QWORD PTR [eax]
mov edi, 200 ; 000000c8H
$LL3@m:
dec edi
fld QWORD PTR [ecx+edx]
fmul QWORD PTR [ecx]
fadd QWORD PTR [eax]
fstp QWORD PTR [eax]
jne HORT $LL3@m
add eax, 8
dec DWORD PTR tv291[ebp]
jne SHORT $LL6@m
add ebx, 800 ; 00000320H
dec DWORD PTR tv315[ebp]
jne SHORT $LL9@m
pop edi
pop esi
pop ebx
leave
ret 0
?m@@YAXPAN00@Z ENDP ; m
4.1.10 Task 1.10
If to compile this piece of code and run, some number will be printed. Where it came from? Where it came
from if to compile it in MSVC with optimization (/Ox)?
#include
int main()
{
printf ("%d\n");
};
return 0;
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