Submission #31375895

---

Source Code Expand

n, m = map(int, input().split())
s = [""] * n
for i in range(n):
    s[i] = input()
answer = 1000000000
for i in range(1, n):
    for j in range(i + 1, n):
        tmp = 0
        for k in range(0, i):
            for l in range(m):
                if s[k][l] != "W":
                    tmp += 1
        for k in range(i, j):
            for l in range(m):
                if s[k][l] != "B":
                    tmp += 1
        for k in range(j, n):
            for l in range(m):
                if s[k][l] != "R":
                    tmp += 1
        if answer > tmp:
            answer = tmp
print(answer)

Submission Info

Judge Result