perl, 35 bytes

Result

AC

Duration

486ms

Code [DL]

$=*=2;print$|=$=>$_&&($==$_)while<>

stdin

84
50
79
40
11
42
30
22
70
21
89
38
16
78
75
64
93
76
43
28
68
51
10
35
96
45
48
34
14
95
59
41
74
55
47
32
25
27
99
65
49
90
46
19
94
26
13
98
77
37

stdout

11011000000000000000001000000000000000000000000000

stderr

strace

13    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe569d4d88 /* 7 vars */) = 0
15    execve("/usr/bin/perl", ["/usr/bin/perl", "/volume/CODE"], 0x7fdfe4d0a240 /* 7 vars */ <unfinished ...>
14    execve("/bin/cat", ["cat", "-"], 0x7fdfe4d0a230 /* 7 vars */) = 0
15    <... execve resumed>)             = 0
14    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
15    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++