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-rw-r--r--w2lab/main.py66
1 files changed, 0 insertions, 66 deletions
diff --git a/w2lab/main.py b/w2lab/main.py
deleted file mode 100644
index 2914da3..0000000
--- a/w2lab/main.py
+++ /dev/null
@@ -1,66 +0,0 @@
-def naive(string):
- z = [0 for _ in string]
- z[0] = len(string)
- for i in range(1, len(string)):
- for j in range(0, len(string)):
- if i+j == len(string) or string[i+j] != string[j]:
- z[i] = j
- break
- return z
-
-
-def naive2(string):
- z = [0 for _ in string]
- z[0] = len(string)
- for i in range(1, len(string)):
- z[i] = compare(string, i, len(string))
- return z
-
-
-def compare(string, i, end):
- for j in range(end):
- if i+j == end or string[i+j] != string[j]:
- return j
-
-
-def gusfield(string):
- z = [0 for _ in string]
- z[0] = len(string)
- r = 0
- l = 0
- for i in range(1, len(string)):
- if i == 1: # base case
- z[1] = compare(string, i, len(string))
- if z[1] > 0:
- r = z[1] + 1
- l = 1
- elif i > r: # Case 1
- z[i] = compare(string, i, len(string))
- if z[i] > 0:
- q = i + z[i]
- r = q - 1
- l = i
- elif i <= r: # Case 2
- if z[i-l] < r-i: # 2a
- print(f"{i} is a case 2a")
- z[i] = z[i-l]
- else: # 2b
- print(f"{i} is a case 2b")
- q = compare(string, i, len(string))
- z[i] = q
- r = q
- l = i
-
- print(f"{l=}, {r=}")
- return z
-
-
-def main():
- string = "ababacababa"
- print(naive2(string))
- print("="*15)
- print(gusfield(string))
-
-if __name__ == '__main__':
- main()
-