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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| from collections import deque | ||
| import sys | ||
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| input = sys.stdin.readline | ||
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| T = int(input()) | ||
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| def command(register, cmd): | ||
| if cmd == 0: | ||
| return ((register * 2) % 10000, "D") | ||
| elif cmd == 1: | ||
| return (9999 if register == 0 else register - 1, "S") | ||
| elif cmd == 2: | ||
| return (register % 1000 * 10 + register // 1000, "L") | ||
| elif cmd == 3: | ||
| return (register // 10 + (register % 10) * 1000, "R") | ||
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| for _ in range(T): | ||
| A, B = map(int, input().split()) | ||
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| visited = [False] * 10000 | ||
| visited[A] = True | ||
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| queue = deque([(A, "")]) | ||
| while queue: | ||
| cur, result = queue.popleft() | ||
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| if cur == B: | ||
| print(result) | ||
| break | ||
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| for i in range(4): | ||
| register, cmd = command(cur, i) | ||
| if not visited[register]: | ||
| visited[register] = True | ||
| queue.append((register, result + cmd)) |
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