提出 #4098603

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ソースコード 拡げる

N = int(input())
A = input()
B = input()
C = input()

ans = 0
for i in range(N):
    a = A[i]
    b = B[i]
    c = C[i]
    if a == b == c:
        continue
    else:
        if a == b and b != c:
            ans += 1
        elif a == c and b != c:
            ans += 1
        elif b == c and a != b:
            ans += 1
        else:
            ans += 2
print(ans)

提出情報

ジャッジ結果