Submission #117004

#	Time	Username	Problem	Language	Result	Execution time	Memory
117004		emilem	Board (CEOI13_board)	Pypy 2	70 / 100	495 ms	15144 KiB

board

import sys
readline = lambda: sys.stdin.readline().rstrip("\r\n")
def Depth(a):
    depth = 0
    for dir in a:
        if dir == 'U':
            depth -= 1
        elif dir == '1' or dir == '2':
            depth += 1
    return depth
def Coord(a):
    coord = 0
    for dir in a:
        if dir == '1':
            coord <<= 1
        elif dir == '2':
            coord <<= 1
            coord += 1
        elif dir == 'L':
            coord -= 1
        elif dir == 'R':
            coord += 1
        elif dir == 'U':
            coord >>= 1
    return coord

path = readline()
aDepth = Depth(path)
aCoord = Coord(path)
path = readline()
bDepth = Depth(path)
bCoord = Coord(path)
if aDepth > bDepth:
    aDepth,bDepth = bDepth,aDepth
    aCoord,bCoord = bCoord,aCoord
depthSteps = bDepth - aDepth
while bDepth > aDepth:
    bDepth -= 1
    bCoord >>= 1
ans = depthSteps + abs(aCoord - bCoord)
while aDepth >= 1:
    aDepth -= 1
    depthSteps += 1
    depthSteps += 1
    aCoord >>= 1
    bCoord >>= 1
    ans = min(ans, depthSteps + abs(aCoord - bCoord))
print(ans)

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10