Merge pull request #57 from AlgorithmWithGod/khj20006

[20250206] BOJ / 골드3 / 데스노트 / 권혁준

Author: ShinHeeEul

khj20006/202502/06 BOJ G3 데스노트.md

@@ -0,0 +1,90 @@
+```java
+
+import java.util.*;
+import java.io.*;
+
+class Edge{
+	int x;
+	long c;
+	Edge(int x, long c){
+		this.x = x;
+		this.c = c;
+	}
+}
+
+class Element {
+	long dist, cnt;
+	int node;
+	Element(long dist, long cnt, int node){
+		this.dist = dist;
+		this.cnt = cnt;
+		this.node = node;
+	}
+}
+
+class Main {
+	
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st;
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+	static long nextLong() {return Long.parseLong(st.nextToken());}
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+	
+	// Additional field
+	static long[] dp;
+	static int[] A;
+	static int N, M;
+	
+	
+	public static void main(String[] args) throws Exception {
+		
+		ready();
+		solve();
+		
+		bwEnd();
+	}
+	
+	static void ready() throws Exception{
+
+		nextLine();
+		N = nextInt();
+		M = nextInt();
+		dp = new long[M+1];
+		Arrays.fill(dp, -1);
+		A = new int[N];
+		for(int i=0;i<N;i++) A[i] = Integer.parseInt(br.readLine());
+		
+	}
+	
+	static void solve() throws Exception{
+		
+		dp[A[0]] = 0;
+		for(int i=1;i<N;i++) {
+			long[] ndp = new long[M+1];
+			Arrays.fill(ndp, -1);
+			for(int j=1;j<=M;j++) {
+				if(dp[j] != -1) {
+					if(j + 1 + A[i] <= M) {
+						if(ndp[j+1+A[i]] == -1) ndp[j+1+A[i]] = dp[j];
+						else ndp[j+1+A[i]] = Math.min(ndp[j+1+A[i]], dp[j]);
+					}
+					if(ndp[A[i]] == -1) ndp[A[i]] = dp[j] + (M-j)*(M-j);
+					else ndp[A[i]] = Math.min(ndp[A[i]], dp[j] + (M-j)*(M-j));
+				}
+			}
+			dp = ndp;
+		}
+		
+		long ans = Long.MAX_VALUE;
+		for(int i=1;i<=M;i++) if(dp[i] != -1) ans = Math.min(ans, dp[i]);
+		bw.write(ans+"\n");
+		
+	}
+	
+}
+
+```