diff --git "a/LiiNi-coder/202508/03 BOJ \355\203\234\354\203\201\354\235\264\354\235\230 \355\233\210\353\240\250\354\206\214 \354\203\235\355\231\234.md" "b/LiiNi-coder/202508/03 BOJ \355\203\234\354\203\201\354\235\264\354\235\230 \355\233\210\353\240\250\354\206\214 \354\203\235\355\231\234.md"
new file mode 100644
index 00000000..17998e09
--- /dev/null
+++ "b/LiiNi-coder/202508/03 BOJ \355\203\234\354\203\201\354\235\264\354\235\230 \355\233\210\353\240\250\354\206\214 \354\203\235\355\231\234.md"	
@@ -0,0 +1,49 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.StringTokenizer;
+
+public class Main {
+	private static int M;
+	private static int N;
+	private static BufferedReader br;
+	private static int[] A;
+	private static int[] diffArr;
+
+	public static void main(String[] args) throws IOException {
+		br = new BufferedReader(new InputStreamReader(System.in));
+		String[] temp = br.readLine().split(" ");
+		N = Integer.parseInt(temp[0]);
+		M = Integer.parseInt(temp[1]);
+		diffArr = new int[N+1]; // 차분배
+		A = new int[N];
+		StringTokenizer st = new StringTokenizer(br.readLine());
+		for(int i = 0; i<N; i++)
+			A[i] = Integer.parseInt(st.nextToken());
+		for(int m = 0; m<M; m++) {
+			st = new StringTokenizer(br.readLine());
+			int a = Integer.parseInt(st.nextToken())-1;
+			int b = Integer.parseInt(st.nextToken()) ;
+			int diff = Integer.parseInt(st.nextToken());
+			diffArr[a] += diff;
+			diffArr[b] += -diff;
+		}
+		for(int i = 1; i<N; i++) {
+			diffArr[i] += diffArr[i-1];
+		}
+		//System.out.println(Arrays.toString(diffArr));
+		StringBuilder sb = new StringBuilder();
+		for(int i = 0; i<N;i++) {
+			A[i] += diffArr[i];
+			sb.append(A[i]);
+			sb.append(" ");
+		}
+		System.out.println(sb.toString());
+		br.close();
+	}
+
+}
+```