Submission #31063560

Source Code Expand

n = int(input())
s = input()
answer = 0
for i in range(n):
    if (i % 2 == 0) and (s[i] != "I"):
        answer += 1
    if (i % 2 == 1) and (s[i] != "O"):
        answer += 1
print(answer)

Submission Info

Submission Time
Task B - IOI 文字列 (IOI String)
User Pro_ktmr
Language PyPy3 (7.3.0)
Score 100
Code Size 198 Byte
Status AC
Exec Time 60 ms
Memory 61752 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 4
AC × 42
Set Name Test Cases
Sample sample-01.txt, sample-02.txt, sample-03.txt, sample-04.txt
All 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 01-27.txt, 01-28.txt, 01-29.txt, 01-30.txt, 01-31.txt, 01-32.txt, 01-33.txt, 01-34.txt, 01-35.txt, 01-36.txt, 01-37.txt, 01-38.txt, sample-01.txt, sample-02.txt, sample-03.txt, sample-04.txt
Case Name Status Exec Time Memory
01-01.txt AC 60 ms 61716 KiB
01-02.txt AC 46 ms 61676 KiB
01-03.txt AC 46 ms 61676 KiB
01-04.txt AC 49 ms 61404 KiB
01-05.txt AC 47 ms 61576 KiB
01-06.txt AC 48 ms 61588 KiB
01-07.txt AC 45 ms 61512 KiB
01-08.txt AC 47 ms 61752 KiB
01-09.txt AC 48 ms 61612 KiB
01-10.txt AC 49 ms 61692 KiB
01-11.txt AC 48 ms 61596 KiB
01-12.txt AC 47 ms 61680 KiB
01-13.txt AC 48 ms 61664 KiB
01-14.txt AC 48 ms 61688 KiB
01-15.txt AC 51 ms 61700 KiB
01-16.txt AC 49 ms 61676 KiB
01-17.txt AC 48 ms 61412 KiB
01-18.txt AC 47 ms 61700 KiB
01-19.txt AC 48 ms 61700 KiB
01-20.txt AC 47 ms 61480 KiB
01-21.txt AC 46 ms 61708 KiB
01-22.txt AC 48 ms 61392 KiB
01-23.txt AC 47 ms 61684 KiB
01-24.txt AC 43 ms 61480 KiB
01-25.txt AC 50 ms 61428 KiB
01-26.txt AC 48 ms 61648 KiB
01-27.txt AC 48 ms 61496 KiB
01-28.txt AC 48 ms 61504 KiB
01-29.txt AC 47 ms 61468 KiB
01-30.txt AC 48 ms 61672 KiB
01-31.txt AC 47 ms 61692 KiB
01-32.txt AC 47 ms 61532 KiB
01-33.txt AC 48 ms 61700 KiB
01-34.txt AC 47 ms 61612 KiB
01-35.txt AC 49 ms 61512 KiB
01-36.txt AC 48 ms 61676 KiB
01-37.txt AC 50 ms 61732 KiB
01-38.txt AC 46 ms 61432 KiB
sample-01.txt AC 47 ms 61408 KiB
sample-02.txt AC 46 ms 61700 KiB
sample-03.txt AC 47 ms 61672 KiB
sample-04.txt AC 50 ms 61496 KiB