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Tema 2.asm
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Tema 2.asm
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.data
TREIN: .long 0
trein: .long 0
n: .long 0
m: .long 0
k: .long 0
j: .long 0
l: .long 0
elem: .long 0
K: .long 0
N: .long 0
M: .long 0
Ns: .long 0
Ms: .long 0
Mv: .long 0
Kv: .long 0
TREINs: .long 0
sol: .long 0
SOL: .long 0
minusUNU: .asciz "-1"
newline: .asciz "\n"
formatPrintf: .asciz "%d "
formatPrintN: .asciz "%s\n"
format: .asciz "%s"
formatScanf: .asciz "%2000[^\n]"
delim: .asciz " "
res: .space 4
str: .space 2000
p1: .space 2000
fr: .space 2000
.text
.global main
back:
pushl %ebp
movl %esp,%ebp
pushl %edi
movl 8(%ebp),%edi
//edi=fr
pushl %esi
movl 12(%ebp),%esi
//esi=p1
pushl %ebx
movl 16(%ebp),%ebx
movl %ebx, TREIN
movl 20(%ebp),%ebx
movl %ebx, N
movl 24(%ebp),%ebx
movl %ebx, M
movl 28(%ebp),%ebx
movl %ebx,K
movl 32(%ebp),%eax #eax=sol
cmp $1,%eax
je final_back
//%esp:(%ebx)(%esi)(%edi)%ebp:(%ebp v)(<adr de in>)(fr)(p1)(TreiN)(n)(m)(k)(sol)
// lista reg. de restaurat: %ebx, %esi, %edi, %ebp, %esp
movl $1,%ecx
movl K,%edx #edx=k
for:
cmp %ecx,N
je final_back
movl (%esi,%edx,4),%ebx #ebx=p1[k]
cmp $0,%ebx
jne punct_fix
//if(p1[k]==0
movl (%edi,%ecx,4),%ebx #ebx=fr[i]
cmp $3,%ebx
je frecv_max_i
//fr[i]<3
//apelare valid
pushl %ecx
pushl %ecx
pushl %esi
pushl M
pushl K
call valid
popl %edx
popl %ebx
popl %esi
popl %ecx
movl %edx,K
movl %ebx,M
popl %ecx
//eax=rez din valid
cmp $1,%eax
jne nu_este_valid
//este valid:
movl K,%edx #edx=k
movl %ecx,(%esi,%edx,4) #p1[k]=i
movl (%edi,%ecx,4),%ebx #ebx=fr[i]
incl %ebx
movl %ebx,(%edi,%ecx,4) #fr[i]++
subl $1,TREIN
cmp TREIN,%edx
jne k_nu_e_trein
addl $1,TREIN
//k==trein
// if(solutie(fr,n,m,p1))
pushl %edx
pushl %ecx
pushl TREIN
pushl %esi
pushl M
pushl N
pushl %edi
call solutie
popl %edi
popl %ebx
popl %edx
popl %esi
popl %ecx
movl %ebx,N
movl %edx,M
movl %ecx,TREIN
popl %ecx
popl %edx
//in %eax e val din solutie
movl %eax,SOL
cmp $1,%eax
jne nu_e_sol
//solutie==1
movl $1,SOL
jmp final_back
// solutie==0
nu_e_sol:
movl (%edi,%ecx,4),%ebx
subl $1, %ebx
movl %ebx,(%edi,%ecx,4)
//movl $0,%edx
movl $0,(%esi,%edx,4) #p1[k]=0
incl %ecx
jmp for
k_nu_e_trein:
addl $1,TREIN
incl K
movl K,%edx
pushl %ecx
movl TREIN,%ebx
pushl %ebx
pushl %edx
//back(k+1)
pushl SOL
pushl K
pushl M
pushl N
pushl TREIN
pushl %esi
pushl %edi
call back
popl %edi
popl %esi
popl %edx #trein
popl %ebx #n
popl %ecx #m
popl %edx #edx=k
popl %edx #sol
movl %eax,SOL
movl %ebx,N
movl %ecx,M
popl %edx
popl %ebx
popl %ecx
movl SOL,%eax
cmp $1,%eax
je final_back
movl %ebx,TREIN
subl $1,%edx
movl %edx,K
movl (%edi,%ecx,4),%ebx
subl $1,%ebx
movl %ebx,(%edi,%ecx,4) #fr[i]--
movl $0,(%esi,%edx,4) #p1[k]=0
incl %ecx
jmp for
punct_fix:
subl $1,TREIN
cmp TREIN,%edx
jne k_nu_e_trein_pf
addl $1,TREIN
//trein==k
//solutie
pushl %edx
pushl %ecx
pushl TREIN
pushl %esi
pushl M
pushl N
pushl %edi
call solutie
popl %edi
popl %ebx
popl %edx
popl %esi
popl %ecx
movl %ebx,N
movl %edx,M
movl %ecx,TREIN
popl %ecx
popl %edx
//in %eax e val din solutie
cmp $0,%eax
je nu_e_sol_pf
//solutie=1
movl $1,SOL
jmp final_back
//solutie==0
nu_e_sol_pf:
jmp final_back
k_nu_e_trein_pf:
addl $1,TREIN
incl K
movl K,%edx
pushl %ecx
movl TREIN,%ebx
pushl %ebx
pushl %edx
//back(k+1)
pushl SOL
pushl K
pushl M
pushl N
pushl TREIN
pushl %esi
pushl %edi
call back
popl %edi
popl %esi
popl %edx #trein
popl %ebx #n
popl %ecx #m
popl %edx #edx=k
popl %edx #sol
movl %eax,SOL
movl %ebx,N
movl %ecx,M
popl %edx
popl %ebx
popl %ecx
movl SOL,%eax
cmp $1,%eax
je final_back
movl %ebx,TREIN
subl $1,%edx
movl %edx,K
incl %ecx
jmp for
frecv_max_i:
incl %ecx
jmp for
nu_este_valid:
incl %ecx
jmp for
final_back:
popl %ebx
popl %esi
popl %edi
popl %ebp
ret
valid:
pushl %ebp
movl %esp,%ebp
pushl %ebx
movl 8(%ebp),%ebx #Kv=k
movl %ebx,Kv
//%esp:(%ebx)(%esi)%ebp:(%ebp v)(<adr de in>)(K)(M)(%esi)(%ecx)
movl 12(%ebp),%ebx
movl %ebx,Mv
pushl %esi
movl 16(%ebp),%esi #esi=p1
movl 20(%ebp),%ecx
movl $1,%eax #eax=1
cmp $1,Kv
je prima_poz
//k!=1
movl Kv,%ebx
subl Mv,%ebx #ebx=k-m
cmp $0,%ebx
jg mai_mare_ca_0
// k-m<=0
movl Kv,%ebx
subl $1,%ebx #j=k-1
for_unu:
cmp $1,%ebx
jl final_valid
movl (%esi,%ebx,4),%edx
cmp %edx,%ecx
je zero
subl $1,%ebx
jmp for_unu
mai_mare_ca_0:
#j=ebx=kv-mv
for_doi:
cmp Kv,%ebx
je final_valid
movl (%esi,%ebx,4),%edx
cmp %edx,%ecx
je zero
incl %ebx
jmp for_doi
zero:
movl $0,%eax
jmp final_valid
prima_poz:
movl $1,%eax
final_valid:
popl %ebx
popl %esi
popl %ebp
ret
solutie:
pushl %ebp
movl %esp,%ebp
//%esp:(%ebx)(%esi)(%edi)%ebp:(%ebp v)(<adr de in>)(%edi)(N)(M)(%esi)(TREIN)
pushl %edi
movl 8(%ebp),%edi
pushl %ebx
movl 12(%ebp),%ebx
movl %ebx,Ns
movl 16(%ebp),%ebx
movl %ebx,Ms
pushl %esi
movl 20(%ebp),%esi
movl 24(%ebp),%ebx
movl %ebx,TREINs
movl $1,%ecx #j=1
movl $1,%eax #eax=1
for_frecv:
cmp Ns,%ecx
je eticheta
movl (%edi,%ecx,4),%ebx #ebx=fr[j]
cmp $3,%ebx
jne zero_sol
incl %ecx
jmp for_frecv
//repetari
eticheta:
movl $1,%ecx #ecx=l=1
for_l:
cmp TREINs,%ecx
je final_sol
movl $1,%edx #edx=j=1
for_j:
cmp Ms,%edx
jg continuare_for_l
movl %ecx,l
movl %edx,j
movl %ecx,%edx
addl j,%edx #edx=j+l
cmp TREINs,%edx
jge caz2
//l+j<=3*n
pushl %eax
movl (%esi,%edx,4),%ecx #ecx=p1[l+j]
movl l,%eax
movl (%esi,%eax,4),%ebx
popl %eax
cmp %ebx,%ecx
je zero_sol
movl j,%edx
movl l,%ecx
caz2:
//l-j>0
movl %edx,j
movl %ecx,l
movl %ecx,%edx
subl j,%edx #edx=l-j
cmp $0,%edx
jle continuare_for_j
//l-j>0
pushl %eax
movl (%esi,%edx,4),%ecx
movl l,%eax
movl (%esi,%eax,4),%ebx
popl %eax
cmp %ebx,%ecx
je zero_sol
jmp continuare_for_j
continuare_for_j:
movl j,%edx
movl l,%ecx
incl %edx
jmp for_j
continuare_for_l:
incl %ecx
jmp for_l
zero_sol:
movl $0,%eax
jmp final_sol
final_sol:
popl %esi
popl %ebx
popl %edi
popl %ebp
ret
//0xf7f0f27d
//0xf7f0f2a0 __sigismember
//0xf7f0f2d0 __sigaddset
main:
pushl $str
pushl $formatScanf
call scanf
popl %ebx
popl %ebx
pushl $delim
pushl $str
call strtok
popl %ebx
popl %ebx
//movl %eax,res
et:
pushl %eax
call atoi
popl %ebx
movl %eax,n
pushl $delim
pushl $0
call strtok
popl %ebx
popl %ebx
//movl %eax,res
pushl %eax
call atoi
popl %ebx
movl %eax,m
movl m,%eax
movl n, %ebx
cmp %ebx,%eax
jge nu_exista
cmp $1,%ebx
jl nu_exista
cmp $1,%eax
jl nu_exista
cmp $30,%eax
jg nu_exista
cmp $30,%ebx
jg nu_exista
et2:
//3*n
xorl %edx,%edx
movl n,%eax
movl $3,%ebx
mull %ebx
movl %eax,trein
incl trein
//incepe pt permutarea p1
movl $1,%ecx
for_vector:
cmp %ecx,trein
je final_vector
pushl %ecx
pushl $delim
pushl $0
call strtok
popl %ebx
popl %ebx
//movl %eax,res
//cmp $0, %eax
/je final_vector
pushl %eax
call atoi
popl %ebx
popl %ecx
lea p1,%edi
lea fr,%esi
cmp $0,%eax
je elem_nul
movl %eax, (%edi,%ecx,4)
movl (%esi,%eax,4),%ebx
//ebx= fr[p1[i]]
incl %ebx
movl %ebx,(%esi,%eax,4)
cmp $4,%ebx
je nu_exista
incl %ecx
jmp for_vector
elem_nul:
movl %eax, (%edi,%ecx,4)
incl %ecx
jmp for_vector
//3 1 1 0 0 0 0 1 0 0 3
final_vector:
et3:
movl $1,k
movl $1,%eax
movl n,%ecx
movl m,%edx
movl trein,%ebx
incl n
pushl %ebx
pushl %ecx
pushl %edx
pushl sol
pushl k
pushl m
pushl n
pushl trein
pushl $p1
pushl $fr
call back
popl %ebx
popl %ebx
popl %ebx
popl %ebx
popl %ebx
popl %ebx
popl %ebx
popl %edx
popl %ecx
popl %ebx
movl %edx,m
movl %ecx,n
movl %ebx,trein
// if(solutie(fr,n,m,P1)==0 || afisat==0)
// cout<<"nu s a gasit sol "<<-1;
movl SOL,%eax
cmp $0,%eax
je nu_exista
//exista sol
//eax=1
afisare:
lea p1,%esi
movl $1,%ecx
for_afisare:
cmp trein,%ecx
je exit
movl (%esi,%ecx,4),%ebx
pushl %ecx
pushl %ebx
pushl $formatPrintf
call printf
popl %ebx
popl %ebx
popl %ecx
incl %ecx
jmp for_afisare
nu_exista:
pushl $minusUNU
pushl $formatPrintN
call printf
popl %ebx
popl %ebx
jmp exit_2
exit:
pushl $newline
pushl $format
call printf
popl %ebx
popl %ebx
exit_2:
pushl $0
call fflush
popl %ebx
movl $1, %eax
xorl %ebx, %ebx
int $0x80