create dev channel

zeta/py/completed/5582.py

@@ -0,0 +1,18 @@
+def LCS(s1, s2) -> int:
+    MAXSP = (0, 0, 0)
+    DP = [[0 for _ in range(len(s2))] for _ in range(len(s1))]
+    for i, c1 in enumerate(s1):
+        for j, c2 in enumerate(s2):
+            if c1 == c2:
+                if i >= 1 and j >= 1:
+                    DP[i][j] = DP[i - 1][j - 1] + 1
+                else:
+                    DP[i][j] = 1
+                if MAXSP[0] < DP[i][j]:
+                    MAXSP = (DP[i][j], i, j)
+    return MAXSP[0]
+
+
+if __name__ == "__main__":
+    s1, s2 = input(), input()
+    print(LCS(s1, s2))