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17845. 수강 과목 - Useful Blog

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17845. 수강 과목

written by Useful·BOJ 17845


c
#include <bits/stdc++.h>

using namespace std;

int dp[1001][10001];
int I[10001];
int T[10001];

int main(){
    cin.tie(

NULL

)

;

cout

.

tie

(

NULL

)

;

ios_base

::

sync_with_stdio

(

false

)

;

int

N

,

K

;

cin

>>

N

>>

K

;

for

(

int

i

=

1

;

i

<=

K

;

i

++

)

{

cin

>>

I

[

i

]

>>

T

[

i

]

;

}

int

ans

=

0

;

for

(

int

i

=

1

;

i

<=

K

;

i

++

)

{

for

(

int

j

=

1

;

j

<=

N

;

j

++

)

{

if

(

j

-

T

[

i

]

>=

0

)

{

dp

[

i

]

[

j

]

=

max

(

dp

[

i

-

1

]

[

j

]

,

dp

[

i

-

1

]

[

j

-

T

[

i

]

]

+

I

[

i

]

)

;

}

else

{

dp

[

i

]

[

j

]

=

dp

[

i

-

1

]

[

j

]

;

}

ans

=

max

(

dp

[

i

]

[

j

]

,

ans

)

;

}

}

cout

<<

ans

<<

"\n"

;

return

0

;

}