From 39923f164b12f475ce03b2ec2c64924246c42bec Mon Sep 17 00:00:00 2001
From: JHLEE325 <82587652+JHLEE325@users.noreply.github.com>
Date: Fri, 5 Sep 2025 08:23:01 +0900
Subject: [PATCH] =?UTF-8?q?[20250905]=20BOJ=20/=20G1=20/=20=EA=B5=AC?=
 =?UTF-8?q?=EA=B0=84=20=EA=B3=B1=20=EA=B5=AC=ED=95=98=EA=B8=B0=20/=20?=
 =?UTF-8?q?=EC=9D=B4=EC=A4=80=ED=9D=AC?=
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---
 ...1 \352\265\254\355\225\230\352\270\260.md" | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 "JHLEE325/202509/05 BOJ G1 \352\265\254\352\260\204 \352\263\261 \352\265\254\355\225\230\352\270\260.md"

diff --git "a/JHLEE325/202509/05 BOJ G1 \352\265\254\352\260\204 \352\263\261 \352\265\254\355\225\230\352\270\260.md" "b/JHLEE325/202509/05 BOJ G1 \352\265\254\352\260\204 \352\263\261 \352\265\254\355\225\230\352\270\260.md"
new file mode 100644
index 00000000..d5b41421
--- /dev/null
+++ "b/JHLEE325/202509/05 BOJ G1 \352\265\254\352\260\204 \352\263\261 \352\265\254\355\225\230\352\270\260.md"	
@@ -0,0 +1,77 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        StringBuilder sb = new StringBuilder();
+
+        int n = Integer.parseInt(st.nextToken());
+        int m = Integer.parseInt(st.nextToken());
+        int k = Integer.parseInt(st.nextToken());
+
+        long[] arr = new long[n];
+        long[] tree = new long[4 * n];
+
+        for (int i = 0; i < n; i++) {
+            arr[i] = Integer.parseInt(br.readLine());
+        }
+
+        init(arr, tree, 1, 0, n - 1);
+
+        for (int i = 0; i < m + k; i++) {
+            st = new StringTokenizer(br.readLine());
+            int op = Integer.parseInt(st.nextToken());
+            int a = Integer.parseInt(st.nextToken());
+            int b = Integer.parseInt(st.nextToken());
+
+            if (op == 2) {
+                sb.append(query(tree, 1, 0, n - 1, a - 1, b - 1) + "\n");
+            } else {
+                update(arr, tree, 1, 0, n - 1, a - 1, b);
+            }
+        }
+
+        System.out.println(sb.toString());
+    }
+
+    static void init(long[] arr, long[] tree, int node, int start, int end) {
+        if (start == end) {
+            tree[node] = arr[start];
+        } else {
+            init(arr, tree, node * 2, start, (start + end) / 2);
+            init(arr, tree, node * 2 + 1, (start + end) / 2 + 1, end);
+            tree[node] = tree[node * 2] * tree[node * 2 + 1] % 1000000007;
+        }
+    }
+
+    static void update(long[] arr, long[] tree, int node, int start, int end, int index, long val) {
+        if (index < start || index > end) {
+            return;
+        }
+        if (start == end) {
+            arr[index] = val;
+            tree[node] = val;
+            return;
+        }
+        update(arr, tree, node * 2, start, (start + end) / 2, index, val);
+        update(arr, tree, node * 2 + 1, (start + end) / 2 + 1, end, index, val);
+        tree[node] = tree[node * 2] * tree[node * 2 + 1] % 1000000007;
+    }
+
+    static long query(long[] tree, int node, int start, int end, int left, int right) {
+        if (left > end || right < start) {
+            return 1;
+        }
+        if (left <= start && end <= right) {
+            return tree[node];
+        }
+        long lmul = query(tree, node * 2, start, (start + end) / 2, left, right);
+        long rmul = query(tree, node * 2 + 1, (start + end) / 2 + 1, end, left, right);
+        return lmul * rmul % 1000000007;
+    }
+}
+```