回答編集履歴
1
修正
answer
CHANGED
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@@ -1,9 +1,7 @@
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1
1
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```python
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2
2
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while "W" in s:
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3
3
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t = s.index("W")
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4
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-
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4
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+
tmp_1 += s[:t].count("B")
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5
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-
tmp_1 += tmp_2
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6
5
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ans += tmp_1
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7
6
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s = s[t+1:]
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8
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-
print(t)
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9
7
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```
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