diff --git a/Luogu/problem/P1105/P1105.cpp b/Luogu/problem/P1105/P1105.cpp
new file mode 100644
index 00000000..7f3f6eac
--- /dev/null
+++ b/Luogu/problem/P1105/P1105.cpp
@@ -0,0 +1,41 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, ans[20005];
+
+struct node {
+    int id, h, l, r;
+    struct {
+        int l, r;
+    } ans;
+} a[1005];
+
+bool cmp1(node a, node b) {
+    return a.h == b.h ? a.id > b.id : a.h < b.h;
+}
+
+bool cmp2(node a, node b) {
+    return a.id < b.id;
+}
+
+int main() {
+    cin >> n;
+    for (int i = 0; i < n; i++) {
+        a[i].id = i + 1;
+        cin >> a[i].h >> a[i].l >> a[i].r;
+    }
+    sort(a, a + n, cmp1);
+    for (int i = 0; i < n; i++) {
+        a[i].ans.l = ans[a[i].l];
+        a[i].ans.r = ans[a[i].r];
+        for (int j = a[i].l + 1; j <= a[i].r - 1; j++) {
+            ans[j] = a[i].id;
+        }
+    }
+    sort(a, a + n, cmp2);
+    for (int i = 0; i < n; i++) {
+        cout << a[i].ans.l << ' ' << a[i].ans.r << endl;
+    }
+    return 0;
+}