Bittipeli

#!/dev/null
def group(s):
    r = [s[0]]
    for c in s[1:]:
        if c!=r[-1][0]:r.append("")
        r[-1]+=c
    return [len(q) for q in r]
def rm1(b,i):
    if i==0:        return b[1:]
    if i==len(b)-1: return b[:i]
    return b[:i-1]+[b[i-1]+b[i+1]]+b[i+2:]

# brute force
bits = group(raw_input())
res = []
stack = [[bits, []]]
while stack:
    b,p = stack.pop(0)
    if len(b) == 1:
        if b[0] > 1:
            res.append(p+[0])
            break
        continue
    c=0
    s=[]
    for i,w in enumerate(b):
        if w < 2:
            continue
        s.append((abs(i-(len(b)-1)/2), [rm1(b,i), p+[c]]))
        c+=1
    stack+=[q[1] for q in sorted(s)]
if res:
    print len(res[0])
    print " ".join([str(q+1) for q in res[0]])
else:
    print "QAQ"

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 1

Verdict: ACCEPTED

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 1

Verdict: ACCEPTED

Test 9

Group: 1

Verdict: ACCEPTED

Test 10

Group: 1

Verdict: ACCEPTED

Test 11

Group: 1

Verdict: ACCEPTED

Test 12

Group: 1

Verdict: ACCEPTED

Test 13

Group: 1

Verdict: ACCEPTED

Test 14

Group: 1

Verdict: ACCEPTED

Test 15

Group: 1

Verdict: ACCEPTED

Test 16

Group: 1

Verdict: ACCEPTED

Test 17

Group: 1

Verdict: ACCEPTED

Test 18

Group: 1

Verdict: ACCEPTED

Test 19

Group: 1

Verdict: ACCEPTED

Test 20

Group: 1

Verdict: ACCEPTED

Test 21

Group: 2

Verdict: ACCEPTED

Test 22

Group: 2

Verdict: ACCEPTED

Test 23

Group: 2

Verdict: ACCEPTED

Test 24

Group: 2

Verdict: ACCEPTED

Test 25

Group: 2

Verdict: ACCEPTED

Test 26

Group: 2

Verdict: ACCEPTED

Test 27

Group: 2

Verdict: ACCEPTED

Test 28

Group: 2

Verdict: ACCEPTED

Test 29

Group: 2

Verdict: ACCEPTED

Test 30

Group: 2

Verdict: ACCEPTED

Test 31

Group: 2

Verdict: ACCEPTED

Test 32

Group: 2

Verdict: ACCEPTED

Test 33

Group: 2

Verdict: ACCEPTED

Test 34

Group: 2

Verdict: ACCEPTED

Test 35

Group: 2

Verdict: ACCEPTED

Test 36

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 37

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 38

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 39

Group: 2

Verdict: ACCEPTED

Test 40

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 41

Group: 3

Verdict: ACCEPTED

Test 42

Group: 3

Verdict: ACCEPTED

Test 43

Group: 3

Verdict: ACCEPTED

Test 44

Group: 3

Verdict: ACCEPTED

Test 45

Group: 3

Verdict: ACCEPTED

Test 46

Group: 3

Verdict: ACCEPTED

Test 47

Group: 3

Verdict: ACCEPTED

Test 48

Group: 3

Verdict: ACCEPTED

Test 49

Group: 3

Verdict: ACCEPTED

Test 50

Group: 3

Verdict: ACCEPTED

Test 51

Group: 3

Verdict: ACCEPTED

Test 52

Group: 3

Verdict: ACCEPTED

Test 53

Group: 3

Verdict: ACCEPTED

Test 54

Group: 3

Verdict: ACCEPTED

Test 55

Group: 3

Verdict: ACCEPTED

Test 56

Group: 3

Verdict: RUNTIME ERROR

Test 57

Group: 3

Verdict: RUNTIME ERROR

Test 58

Group: 3

Verdict: RUNTIME ERROR

Test 59

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 60

Group: 3

Verdict: RUNTIME ERROR

Test 61

Group: 4

Verdict: ACCEPTED

Test 62

Group: 4

Verdict: ACCEPTED

Test 63

Group: 4

Verdict: ACCEPTED

Test 64

Group: 4

Verdict: ACCEPTED

Test 65

Group: 4

Verdict: ACCEPTED

Test 66

Group: 4

Verdict: ACCEPTED

Test 67

Group: 4

Verdict: ACCEPTED

Test 68

Group: 4

Verdict: ACCEPTED

Test 69

Group: 4

Verdict: ACCEPTED

Test 70

Group: 4

Verdict: ACCEPTED

Test 71

Group: 4

Verdict: ACCEPTED

Test 72

Group: 4

Verdict: ACCEPTED

Test 73

Group: 4

Verdict: ACCEPTED

Test 74

Group: 4

Verdict: ACCEPTED

Test 75

Group: 4

Verdict: ACCEPTED

Test 76

Group: 4

Verdict: RUNTIME ERROR

Test 77

Group: 4

Verdict: RUNTIME ERROR

Test 78

Group: 4

Verdict: RUNTIME ERROR

Test 79

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 80

Group: 4

Verdict: RUNTIME ERROR