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https://www.acmicpc.net/problem/12865
// 코드
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import java.util.*;
import java.io.*;
public class Main {
// main
public static void main( String[] args ) throws Exception {
// Please Enter Your Code Here
BufferedWriter bw = new BufferedWriter( new OutputStreamWriter( System.out ) );
BufferedReader br = new BufferedReader( new InputStreamReader( System.in ) );
StringTokenizer st = new StringTokenizer( br.readLine() );
int N = Integer.parseInt( st.nextToken() );
int K = Integer.parseInt( st.nextToken() );
int[][] arr = new int[N + 1][K + 1];
int[][] dp = new int[N + 1][K + 1];
for ( int i = 1; i < N + 1; ++i ) arr[i] = Arrays.stream(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
for ( int w = 1; w < K + 1; ++w ) {
for ( int i = 1; i < N + 1; ++i ) {
if (w - arr[i][0] < 0) dp[i][w] = dp[i - 1][w];
else dp[i][w] = Math.max( dp[i-1][w], dp[i-1][w - arr[i][0]] + arr[i][1]);
}
}
bw.write(String.valueOf( dp[N][K] ));
bw.flush();
bw.close();
br.close();
}
}
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cs |
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