diff --git "a/Ukj0ng/202509/9 BOJ G3 \355\214\214\354\235\274 \355\225\251\354\271\230\352\270\260.md" "b/Ukj0ng/202509/9 BOJ G3 \355\214\214\354\235\274 \355\225\251\354\271\230\352\270\260.md" new file mode 100644 index 00000000..bfbbd353 --- /dev/null +++ "b/Ukj0ng/202509/9 BOJ G3 \355\214\214\354\235\274 \355\225\251\354\271\230\352\270\260.md" @@ -0,0 +1,53 @@ +``` +import java.io.*; +import java.util.*; + +public class Main { + private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + private static int[][] dp; + private static int[] file, sum; + private static int K; + + public static void main(String[] args) throws IOException { + int T = Integer.parseInt(br.readLine()); + while (T-- > 0) { + init(); + DP(); + bw.write(dp[1][K] + "\n"); + } + bw.flush(); + bw.close(); + br.close(); + + } + + private static void init() throws IOException { + K = Integer.parseInt(br.readLine()); + StringTokenizer st = new StringTokenizer(br.readLine()); + + file = new int[K+1]; + sum = new int[K+1]; + dp = new int[K+1][K+1]; + + for (int i = 1; i <= K; i++) { + file[i] = Integer.parseInt(st.nextToken()); + sum[i] = sum[i-1] + file[i]; + } + } + + private static void DP() { + for (int i = 2; i <= K; i++) { + for (int j = 1; j <= K-i+1; j++) { + int k = i+j-1; + dp[j][k] = Integer.MAX_VALUE; + + for (int l = j; l < k; l++) { + int cost = dp[j][l] + dp[l+1][k] + sum[k] - sum[j-1]; + dp[j][k] = Math.min(cost, dp[j][k]); + } + } + } + } +} +```