주하진이 각성을 시작하기 시작하는 매우 중요한 사실.1.txt.md.jpeg.tar.gz.

zeta_python/completed/1018.py

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+N, M = map(int, input().split())
+T = [input() for i in range(N)]
+Min = 10000000000000
+
+for i in range(N-7):
+    for j in range(M-7):
+        temp = [t[j:j+8] for t in T[i:i+8]]
+        start = temp[0][0]
+        
+        C = 0
+        ifC = 0
+        for ki, k in enumerate(range(8)):
+            for l in range(k+1):
+                if ki%2 == 0:
+                    C += temp[k-l][l].count("B")
+                    ifC += temp[k-l][l].count("W")
+                else:
+                    C += temp[k-l][l].count("W")
+                    ifC += temp[k-l][l].count("B")
+        for ki, k in enumerate(range(7)):
+            for l in range(k+1):
+                if ki%2 == 0:
+                    C += temp[l-k+7][7-l] .count("B")
+                    ifC += temp[l-k+7][7-l] .count("W")
+                else:
+                    C += temp[l-k+7][7-l] .count("W")
+                    ifC += temp[l-k+7][7-l] .count("B")
+                
+        mine = min(C, ifC)
+        if mine < Min:
+            Min = mine
+print(Min)