Submission #4069368

---

Source Code Expand

a,b = map(int,input().split(" "))
ar = list(input())
for j in range(b):
    i = 0
    g = "R"
    while True:
        if i < 0 or i == a:
            break
        else:
            if ar[i] == "A":
                ar[i] = "B"
                if g == "R":
                    i -= 1
                    g = "L"
                else:
                    i += 1
                    g = "R"
            else:
                ar[i] = "A"
                if g == "R":
                    i += 1
                else:
                    i -= 1
print("".join(ar))    

Submission Info

Judge Result