Submission #47608613

Source Code Expand

S=input()
ok=1
ng=len(S)+1
while ng-ok>1:
    mid=(ok+ng)//2
    cum=[0]*(len(S)+1)
    add=0
    for i in range(len(S)-mid+1):
        add+=cum[i]
        if add%2!=int(S[i]):
            add+=1
            cum[i]+=1
            cum[i+mid]-=1
    for i in range(len(S)):
        cum[i+1]+=cum[i]
        cum[i+1]%=2
    fl=1
    for i in range(mid):
        if cum[i]!=int(S[i]):
            fl=0
    if fl:
        ok=mid
    else:
        ng=mid
print(ok)

Submission Info

Submission Time
Task D - Wide Flip
User hirayuu_At
Language Python (PyPy 3.10-v7.3.12)
Score 500
Code Size 482 Byte
Status AC
Exec Time 113 ms
Memory 91540 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 30
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 112 ms 91408 KiB
02.txt AC 109 ms 90676 KiB
03.txt AC 113 ms 91376 KiB
04.txt AC 109 ms 90452 KiB
05.txt AC 110 ms 91176 KiB
06.txt AC 110 ms 90740 KiB
07.txt AC 112 ms 90768 KiB
08.txt AC 111 ms 90420 KiB
09.txt AC 111 ms 91200 KiB
10.txt AC 113 ms 90816 KiB
11.txt AC 113 ms 91204 KiB
12.txt AC 104 ms 90476 KiB
13.txt AC 109 ms 90776 KiB
14.txt AC 108 ms 91452 KiB
15.txt AC 112 ms 91540 KiB
16.txt AC 113 ms 91204 KiB
17.txt AC 94 ms 91428 KiB
18.txt AC 96 ms 91268 KiB
19.txt AC 95 ms 91096 KiB
20.txt AC 95 ms 91024 KiB
21.txt AC 60 ms 76504 KiB
22.txt AC 61 ms 76620 KiB
23.txt AC 61 ms 76508 KiB
24.txt AC 59 ms 76492 KiB
25.txt AC 61 ms 76268 KiB
26.txt AC 60 ms 76372 KiB
27.txt AC 61 ms 76480 KiB
s1.txt AC 60 ms 76268 KiB
s2.txt AC 60 ms 76496 KiB
s3.txt AC 60 ms 76448 KiB