diff --git a/src/P8865/plant/plant1.in b/src/P8865/plant/plant1.in
index aee3adb..4b3f138 100644
--- a/src/P8865/plant/plant1.in
+++ b/src/P8865/plant/plant1.in
@@ -1,18 +1,30 @@
 3 0
-4 3 1 1
-001
-010
-000
-000
-4 3 1 1
-001
-010
-000
-000
-6 6 1 1
+16 12 1 10
+000000000001
+011111111111
+000000000011
+011111111111
+010011111111
+010111100011
+010011101111
+011111100011
+111111111111
+000011111111
+011111111111
+000000111111
+011111000111
+011111011111
+011111000111
+011111011111
+6 6 1 10
 000010
 011000
 000110
 010000
 011000
 000000
+4 3 1 10
+001
+010
+000
+000
\ No newline at end of file
diff --git a/src/P9868/P9868.cpp b/src/P9868/P9868.cpp
new file mode 100644
index 0000000..3cbaadd
--- /dev/null
+++ b/src/P9868/P9868.cpp
@@ -0,0 +1,37 @@
+/*
+    start 2024.11.23 14:31
+    end ~
+*/
+#include <bits/stdc++.h>
+#include <execution>
+using namespace std;
+using ll = int64_t;
+
+const ll maxn{3000+5};
+ll n,m;
+string tmp,a[maxn],tmp1;
+multiset<string> b;
+
+int main(){
+    iostream::sync_with_stdio(0),cin.tie(0),cout.tie(0);
+    cin>>n>>m;
+    for(ll i{1};i<=n;i++){
+        cin>>tmp;
+        tmp1=tmp;
+        sort(execution::par,tmp1.begin(),tmp1.end());
+        a[i]=std::move(tmp1);
+        sort(execution::par,tmp.begin(),tmp.end(),greater());
+        b.emplace(std::move(tmp));
+    }
+
+    for(ll i{1};i<=n;i++){
+        //第i个是b中最大的或者b中不是最小的
+        if(auto it=b.lower_bound(a[i]);it==b.end()||it!=b.begin()){
+            cout<<'0';
+        }else{
+            cout<<'1';
+        }
+    }
+    cout<<'\n';
+    
+}
\ No newline at end of file