Aita

# Algoritmi on vaan vaarin ajateltu, ei auta mikaan ;)

a, b = [int(x) for x in raw_input().split(" ")]     

def aita(n, k, left):
    QAQ=False
    lista = []
    for i in range(n,0,-1):
        lista.append(int(i))
        
    #print lista
    
    puu_lista = []
    puu_lista.append(int(lista[0]))
    lista.remove(lista[0])
    
    pituus=len(lista)
    puulistan_pituus=1
    #left = False
    goboth=False
    last_number_left = n
    last_number_right = n
    
    while(lista):
        found=False
        ko=int(k)
        if left==True:
            #print "left"
            while found==False and QAQ==False:
                if int(last_number_left-ko) in lista:
                    found=True
                    last_number_left=lista[lista.index(last_number_left-ko)]
                    lista.remove(last_number_left)
                    puu_lista.append(last_number_left)
                    
                elif int(last_number_left+ko) in lista:
                    found=True
                    last_number_left=lista[lista.index(last_number_left+ko)]
                    lista.remove(last_number_left)
                    puu_lista.append(last_number_left)
                    
                ko=ko+1
                
                
                
                if ko>pituus:
                    QAQ=True
                    break
        else:
            while found==False and QAQ==False:
                if int(last_number_right-ko) in lista:
                    found=True
                    last_number_right=lista[lista.index(last_number_right-ko)]
                    lista.remove(last_number_right)
                    puu_lista.insert(0,last_number_right)
                    
                elif int(last_number_right+ko) in lista:
                    found=True
                    last_number_right=lista[lista.index(last_number_right+ko)]
                    lista.remove(last_number_right)
                    puu_lista.insert(0,last_number_right)
                    
                ko=ko+1
                
                if ko>pituus:
                    QAQ=True
                    break
                
                
        left=not left #negate
        
        if QAQ==True:
            break
    
    if QAQ==True:
        print "QAQ"
    else:
        str_lista = "";
        for item in puu_lista:
            str_lista = str_lista + str(item) + " "
       
        print str_lista
    
aita(a, b, True)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED