回答編集履歴
2
コメントを受けて修正
answer
CHANGED
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@@ -122,16 +122,16 @@
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122
122
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# [0, 0, 0, 0, 1, 2, 3, 3, 3]], dtype=int8)
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123
123
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124
124
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c1D = np.convolve(b1D, np.array([1, 1, 1]))[:-1].reshape(arr.shape)[:, 2:-1]
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125
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-
# array([[1, 2, 3, 2, 1, 0, 1
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125
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+
# array([[1, 2, 3, 2, 1, 0, 1],
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126
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-
# [1, 0, 1, 2, 3, 2, 1
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126
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+
# [1, 0, 1, 2, 3, 2, 1],
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127
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-
# [0, 0, 0, 1, 1, 1, 0
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127
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+
# [0, 0, 0, 1, 1, 1, 0],
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128
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-
# [1, 2, 3, 2, 1, 0, 0
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128
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+
# [1, 2, 3, 2, 1, 0, 0],
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129
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# [1, 1, 1, 0, 0, 0, 0
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129
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+
# [1, 1, 1, 0, 0, 0, 0],
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130
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-
# [1, 1, 1, 2, 2, 2, 1
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130
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+
# [1, 1, 1, 2, 2, 2, 1],
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131
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-
# [3, 2, 2, 1, 2, 1, 1
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131
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+
# [3, 2, 2, 1, 2, 1, 1],
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132
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-
# [1, 1, 1, 1, 2, 2, 3
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132
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+
# [1, 1, 1, 1, 2, 2, 3],
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133
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-
# [1, 1, 0, 0, 0, 0, 0
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133
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+
# [1, 1, 0, 0, 0, 0, 0],
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134
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-
# [0, 0, 0, 1, 2, 3, 3
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134
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# [0, 0, 0, 1, 2, 3, 3]])
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135
135
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```
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136
136
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137
137
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上記の配列で`3`がある箇所は、連番が4つ続いているということです。
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1
コメントを受けて修正
answer
CHANGED
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@@ -28,7 +28,7 @@
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28
28
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# [ 1, 3, 6, 8, 11, 21, 22, 23, 24, 25]])
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29
29
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30
30
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# その1
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31
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-
idx = np.all(np.convolve(np.ediff1d(arr.ravel()) == 1, np.array([1, 1, 1]))[:-1].reshape(arr.shape)[:, 2:] != 3, 1)
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31
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+
idx = np.all(np.convolve(np.ediff1d(arr.ravel()) == 1, np.array([1, 1, 1]))[:-1].reshape(arr.shape)[:, 2:-1] != 3, 1)
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32
32
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# その2
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33
33
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idx = np.all(ndimage.convolve((np.diff(arr) == 1).view(np.int8), np.array([[1, 1, 1]])) != 3, 1)
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34
34
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@@ -121,7 +121,7 @@
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121
121
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# [1, 1, 1, 0, 0, 0, 0, 0, 0],
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122
122
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# [0, 0, 0, 0, 1, 2, 3, 3, 3]], dtype=int8)
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123
123
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124
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-
c1D = np.convolve(b1D, np.array([1, 1, 1]))[:-1].reshape(arr.shape)[:, 2:]
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124
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+
c1D = np.convolve(b1D, np.array([1, 1, 1]))[:-1].reshape(arr.shape)[:, 2:-1]
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125
125
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# array([[1, 2, 3, 2, 1, 0, 1, 1],
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126
126
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# [1, 0, 1, 2, 3, 2, 1, 0],
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127
127
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# [0, 0, 0, 1, 1, 1, 0, 0],
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