#include 
using namespace std
;
const
int
SecondsPerMinute
=
60
;
const
int
SecondsPerHour
=
3600
;
const
int
SecondsPerDay
=
86400
;
const
int
DaysOfMonth
[
12
]
=
{
31
,
28
,
31
,
30
,
31
,
30
,
31
,
31
,
30
,
31
,
30
,
31
}
;
bool
IsLeapYear
(
short
year
)
{
if
(
year
%
4
!=
0
)
return
false
;
if
(
year
%
100
!=
0
)
return
true
;
return
(
year
%
400
)
==
0
;
}
time_t
mkgmtime
(
short
year
,
short
month
,
short
day
,
short
hour
,
short
minute
,
short
second
)
{
time_t secs
=
0
;
for
(
short
y
=
1970
;
y
<
year
;
++
y
)
secs
+=
(
IsLeapYear
(
y
)
?
366
:
365
)
*
SecondsPerDay
;
for
(
short
m
=
1
;
m
<
month
;
++
m
)
{
secs
+=
DaysOfMonth
[
m
-
1
]
*
SecondsPerDay
;
if
(
m
==
2
&&
IsLeapYear
(
year
)
)
secs
+=
SecondsPerDay
;
}
secs
+=
(
day
-
1
)
*
SecondsPerDay
;
secs
+=
hour
*
SecondsPerHour
;
secs
+=
minute
*
SecondsPerMinute
;
secs
+=
second
;
return
secs
;
}
int
main
(
)
{
time_t seed
=
mkgmtime
(
2024
,
5
,
1
,
5
,
41
,
7
)
;
unsigned
int
d
=
(
(
unsigned
int
*
)
&
seed
)
[
0
]
;
srand
(
d
)
;
char
bytes
[
65
]
;
for
(
int
x
=
0
;
x
<
64
;
x
++
)
{
bytes
[
x
]
=
rand
(
)
%
26
+
65
;
}
bytes
[
64
]
=
0
;
printf
(
"%s\n"
,
bytes
)
;
return
0
;
}