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CI056 - Trabalho 1
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Matheus Horstmann
CI056 - Trabalho 1
Commits
41c6e763
Commit
41c6e763
authored
9 years ago
by
clm15@inf.ufpr.br
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biblioteca busca
parent
f7d5f107
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busca.c
+126
-0
126 additions, 0 deletions
busca.c
busca.h
+15
-0
15 additions, 0 deletions
busca.h
with
141 additions
and
0 deletions
busca.c
0 → 100644
+
126
−
0
View file @
41c6e763
#include
"busca.h"
int
pesqseq
(
int
*
vet
,
int
elem
,
int
N
)
{
int
i
;
vet
[
0
]
=
elem
;
for
(
i
=
N
;
vet
[
i
]
!=
elem
;
i
--
);
return
i
;
}
int
pesqbin
(
int
*
vet
,
int
elem
,
int
N
)
{
int
esq
=
1
,
dir
=
N
;
int
meio
=
(
esq
+
dir
)
/
2
;
do
{
if
(
vet
[
meio
]
==
elem
)
return
meio
;
else
if
(
vet
[
meio
]
>
elem
)
dir
=
meio
-
1
;
else
esq
=
meio
+
1
;
meio
=
(
esq
+
dir
)
/
2
;
}
while
(
esq
<
dir
);
return
0
;
}
void
menor
(
int
*
vet
,
int
*
pos
,
int
N
)
{
int
i
,
aux
=
vet
[
*
pos
];
for
(
i
=
*
pos
+
1
;
i
<=
N
;
i
++
)
if
(
vet
[
i
]
<
aux
)
{
aux
=
vet
[
i
];
*
pos
=
i
;
}
}
void
SelectSort
(
int
*
vet
,
int
N
)
{
int
i
,
aux
,
k
;
for
(
i
=
1
;
i
<=
N
;
i
++
)
{
k
=
i
;
menor
(
vet
,
&
k
,
N
);
aux
=
vet
[
i
];
vet
[
i
]
=
vet
[
k
];
vet
[
k
]
=
aux
;
}
}
void
BubbleSort
(
int
*
vet
,
int
N
)
{
int
i
,
j
,
aux
;
for
(
i
=
2
;
i
<=
N
;
i
++
)
for
(
j
=
N
;
j
>=
i
;
j
--
)
if
(
vet
[
j
]
<
vet
[
j
-
1
])
{
aux
=
vet
[
j
];
vet
[
j
]
=
vet
[
j
-
1
];
vet
[
j
-
1
]
=
aux
;
}
}
int
mediana
(
int
*
vet
,
int
esq
,
int
dir
)
{
int
med
=
(
esq
+
dir
)
/
2
;
if
(
vet
[
esq
]
<=
vet
[
dir
])
{
if
(
vet
[
esq
]
<=
vet
[
med
])
//descobrimos se esq é o menor elemento ou não
{
if
(
vet
[
med
]
<=
vet
[
dir
])
//se esq é menor elemento, o segundo menor é mediana
return
med
;
else
return
dir
;
}
else
//se esq não é menor elemento, ele é mediana
return
esq
;
}
else
//ja sabemos que esq não é menor elemento, tentamos dir
{
if
(
vet
[
dir
]
<=
vet
[
med
])
{
if
(
vet
[
med
]
<=
vet
[
esq
])
return
med
;
else
return
esq
;
}
else
return
dir
;
}
}
void
Particao
(
int
*
vet
,
int
esq
,
int
dir
,
int
*
pos_pivo
)
{
int
i
,
j
,
aux
,
pivo
,
med
=
mediana
(
vet
,
esq
,
dir
);
i
=
esq
;
j
=
dir
;
while
(
i
<
j
)
{
while
((
vet
[
i
]
<=
pivo
)
&&
(
i
<
dir
))
i
++
;
while
(
vet
[
j
]
>
pivo
)
j
--
;
if
(
i
<
j
)
{
aux
=
vet
[
i
];
vet
[
i
]
=
vet
[
j
];
vet
[
j
]
=
aux
;
}
}
vet
[
esq
]
=
vet
[
j
];
vet
[
j
]
=
pivo
;
*
pos_pivo
=
j
;
}
void
QuickSort
(
int
*
vet
,
int
esq
,
int
dir
)
{
int
pos_pivo
;
if
(
esq
<
dir
)
{
Particao
(
vet
,
esq
,
dir
,
&
pos_pivo
);
QuickSort
(
vet
,
esq
,
pos_pivo
-
1
);
QuickSort
(
vet
,
pos_pivo
+
1
,
dir
);
}
}
This diff is collapsed.
Click to expand it.
busca.h
0 → 100644
+
15
−
0
View file @
41c6e763
#ifndef BUSCA_H
#define BUSCA_H
#include
<stdio.h>
int
pesqseq
(
int
*
,
int
,
int
);
int
pesqbin
(
int
*
,
int
,
int
);
void
menor
(
int
*
,
int
*
,
int
);
void
SelectSort
(
int
*
,
int
);
void
BubbleSort
(
int
*
,
int
);
int
mediana
(
int
*
,
int
,
int
);
void
Particao
(
int
*
,
int
,
int
,
int
*
);
void
QuickSort
(
int
*
,
int
,
int
);
#endif
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