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More problems from the Colombian National Contest 2010. Only two to go.
[and.git]
/
305 - Joseph
/
2robado305.cpp
blob
0ca039cbb2a65a04fcc0b05a38c938255860d1b1
1
/* Código robado del foro DESPUÉS de haberlo resuelto yo.
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http://acm.uva.es/board/viewtopic.php?t=8570
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*/
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#include <iostream>
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using namespace
std
;
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int
f
(
int
k
)
13
{
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int
m
,
n
,
p
,
r
;
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for
(
n
=
2
*
k
,
m
=
2
;;
m
++) {
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for
(
p
=
0
,
r
=
n
;
r
>
k
;
r
--)
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if
((
p
= (
p
+
m
-
1
) %
r
) <
k
)
break
;
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if
(
r
==
k
)
return
m
;
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}
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}
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int
main
(
void
)
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{
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int
k
;
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while
((
cin
>>
k
)&&
k
)
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cout
<<
f
(
k
) <<
endl
;
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return
0
;
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}