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.data original_list: .space 100 sorted_list: .space 100 str0: .asciiz Enter size of list (between 1 and 25): str1: .asciiz Enter one list element:
.data
original_list: .space 100
sorted_list: .space 100
str0: .asciiz "Enter size of list (between 1 and 25): "
str1: .asciiz "Enter one list element: "
str2: .asciiz "Content of original list: "
str3: .asciiz "Enter a key to search for: "
str4: .asciiz "Content of sorted list: "
strYes: .asciiz "Key found!"
strNo: .asciiz "Key not found!"
.text
#This is the main program.
#It first asks user to enter the size of a list.
#It then asks user to input the elements of the list, one at a time.
#It then calls printList to print out content of the list.
#It then calls inSort to perform insertion sort
#It then asks user to enter a search key and calls bSearch on the sorted list.
#It then prints out search result based on return value of bSearch
main:
addi $sp, $sp -8
sw $ra, 0($sp)
li $v0, 4
la $a0, str0
syscall
li $v0, 5 #read size of list from user
syscall
move $s0, $v0
move $t0, $0
la $s1, original_list
loop_in:
li $v0, 4
la $a0, str1
syscall
sll $t1, $t0, 2
add $t1, $t1, $s1
li $v0, 5 #read elements from user
syscall
sw $v0, 0($t1)
addi $t0, $t0, 1
bne $t0, $s0, loop_in
move $a0, $s1
move $a1, $s0
jal inSort #Call inSort to perform insertion sort in original list
sw $v0, 4($sp)
li $v0, 4
la $a0, str2
syscall
la $a0, original_list
move $a1, $s0
jal printList #Print original list
li $v0, 4
la $a0, str4
syscall
lw $a0, 4($sp)
jal printList #Print sorted list
li $v0, 4
la $a0, str3
syscall
li $v0, 5 #read search key from user
syscall
move $a3, $v0
lw $a0, 4($sp)
jal bSearch #call bSearch to perform binary search
beq $v0, $0, notFound
li $v0, 4
la $a0, strYes
syscall
j end
notFound:
li $v0, 4
la $a0, strNo
syscall
end:
lw $ra, 0($sp)
addi $sp, $sp 8
li $v0, 10
syscall
#printList takes in a list and its size as arguments.
#It prints all the elements in one line.
printList:
#Your implementation of printList here
jr $ra
#inSort takes in a list and it size as arguments.
#It performs INSERTION sort in ascending order and returns a new sorted list
#You may use the pre-defined sorted_list to store the result
inSort:
#Your implementation of inSort here
jr $ra
#bSearch takes in a list, its size, and a search key as arguments.
#It performs binary search RECURSIVELY to look for the search key.
#It will return a 1 if the key is found, or a 0 otherwise.
#Note: you MUST NOT use iterative approach in this function.
bSearch:
#Your implementation of bSearch here
jr $ra
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