Submission #18,235

2025-10-15 18:59:17

pypy3

Accepted 75/75

64ms

22252 KiB

N = int(input())
A = input()
B = input()
db = 1
if A[0] != B[0]:
    allapot = 1
else:
    allapot = 0
for i in range(1,N):
    if A[i] != B[i] and allapot == 0:
        allapot = 1
        db += 1
    elif A[i] == B[i] and allapot == 1:
        allapot = 0
        db += 1
if db == 1 and allapot == 0:
    print(0)
elif db == 1 and allapot == 1:
    print(1)
elif db > 1 and A[-1] == B[-1]:
    print(db-1)
else:
    print(db)

	Sum	Test	Verdict		Time	Memory
base	75/75
		1	Accepted	0/0	41ms	19580 KiB
		2	Accepted	0/0	54ms	21716 KiB
		3	Accepted	5/5	43ms	19392 KiB
		4	Accepted	5/5	39ms	19384 KiB
		5	Accepted	5/5	39ms	19428 KiB
		6	Accepted	5/5	37ms	19368 KiB
		7	Accepted	5/5	43ms	19492 KiB
		8	Accepted	5/5	45ms	19692 KiB
		9	Accepted	5/5	46ms	19632 KiB
		10	Accepted	5/5	39ms	19876 KiB
		11	Accepted	5/5	37ms	19680 KiB
		12	Accepted	5/5	61ms	22060 KiB
		13	Accepted	5/5	61ms	22252 KiB
		14	Accepted	5/5	54ms	21992 KiB
		15	Accepted	5/5	54ms	21964 KiB
		16	Accepted	5/5	64ms	21992 KiB
		17	Accepted	5/5	54ms	21996 KiB