diff --git a/week01/10942_chairoi.cpp b/week01/10942_chairoi.cpp
new file mode 100644
index 0000000..c6d0e5d
--- /dev/null
+++ b/week01/10942_chairoi.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <algorithm>
+
+using namespace std;
+
+int ifPalindrom[2001][2001];
+int num[2001];
+int N, M;
+int S, E;
+
+int main(void) {
+    cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false);
+
+    cin >> N;
+
+    for (int i = 1; i < N + 1; i++) {
+        cin >> num[i];
+
+        ifPalindrom[i][i] = 1;
+        if (i != 1 && num[i - 1] == num[i]) ifPalindrom[i - 1][i] = 1;
+        // 한 자리 수와 두 자리가 같은 경우의 ifPalindrom 값 저장
+    }
+
+    for (int i = 2; i < N; i++) {
+        for (int j = 1; i + j < N + 1; j++) {
+            if (num[j] == num[i + j] && ifPalindrom[j + 1][i + j - 1] == 1) {
+                ifPalindrom[j][i + j] = 1;
+            }
+        }
+    }
+
+    cin >> M;
+
+    for (int i = 0; i < M; i++) {
+        cin >> S >> E;
+        cout << ifPalindrom[S][E] << "\n";
+    }
+
+    return 0;
+}