#include <stdio.h>
#include <utility>
void
NhapMaTran
(
int
a
[
]
[
100
]
,
int
m
,
int
n
)
{
for
(
int
i
=
0
;
i
<
m
;
i
++
)
for
(
int
j
=
0
;
j
<
n
;
j
++
)
{
printf
(
“A[%d][%d] = “
,
i
,
j
)
;
scanf
(
“%d”
,
&a[i][j]);
}
}
void
XuatMaTran
(
int
a
[
]
[
100
]
,
int
m
,
int
n
)
{
for
(
int
i
=
0
;
i
<
m
;
i
++
)
{
for
(
int
j
=
0
;
j
<
n
;
j
++
)
printf
(
“%d\t”
,
a
[
i
]
[
j
]
)
;
printf
(
“\n”
)
;
}
}
std
:
:
pair
<
int
,
int
>
TimKiem
(
int
a
[
]
[
100
]
,
int
m
,
int
n
,
int
v
)
{
for
(
int
i
=
0
;
i
<
m
;
i
++
)
{
for
(
int
j
=
0
;
j
<
n
;
j
++
)
if
(
a
[
i
]
[
j
]
==
v
)
return
{
i
,
j
}
;
}
return
{
–
1
,
–
1
}
;
}
int
main
(
)
{
int
a
[
100
]
[
100
]
;
int
m
,
n
;
printf
(
“nhap so hang n = “
)
;
scanf
(
“%d”
,
&n);
printf
(
“nhap so cot m = “
)
;
scanf
(
“%d”
,
&m);
printf
(
“nhap vao ma tran:\n”
)
;
NhapMaTran
(
a
,
m
,
n
)
;
XuatMaTran
(
a
,
m
,
n
)
;
int
v
;
printf
(
“\nNhap vao gia tri can tim: “
)
;
scanf
(
“%d”
,
&v);
std
:
:
pair
<
int
,
int
>
rs
=
TimKiem
(
a
,
m
,
n
,
v
)
;
printf
(
“\nTim thay so %d tai hang %d, cot %d!”
,
v
,
rs
.
first
,
rs
.
second
)
;
}
