Submission #1306892

#	Time	Username	Problem	Language	Result	Execution time	Memory
1306892		Double_Slash	Lamps (JOI19_lamps)	Pypy 3	4 / 100	175 ms	53740 KiB

lamp

input()
input()
b = input()
last = '0'
ans = 0
for c in b:
    if last == '0' and c == '1':
        ans += 1
    last = c
print(ans)

Compilation message (stdout)

Compiling 'lamp.py'...

=======
  adding: __main__.pyc (deflated 20%)

=======

• Subtask 1: 0 / 6
• Subtask 2: 0 / 41
• Subtask 3: 4 / 4
• Subtask 4: 0 / 49