diff --git a/QUSTOJ/1911.cpp b/QUSTOJ/1911.cpp
new file mode 100644
index 0000000..d66cb3f
--- /dev/null
+++ b/QUSTOJ/1911.cpp
@@ -0,0 +1,44 @@
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <vector>
+#include <algorithm>
+using namespace std;
+vector<int> dvec;
+int vs[100];
+vector<int> vec[100];
+bool cmp(const int& a,const int& b)
+{
+    return a<b;
+}
+int main()
+{
+    int n,m;
+    scanf("%d %d",&n,&m);
+    for(int i=0;i<n;i++)
+    {
+        int temp;
+        scanf("%d",&temp);
+        vs[temp]=i;
+        dvec.push_back(temp);
+    }
+    for(int i=0;i<m;i++)
+    {
+        int a,b,c;
+        scanf("%d %d %d",&a,&b,&c);
+        vec[vs[a]].push_back(vs[b]);
+        vec[vs[b]].push_back(vs[a]);
+    }
+    for(int i=0;i<n;i++)
+    {
+        printf("%d",dvec.at(i));
+        sort(vec[i].begin(),vec[i].end(),cmp);
+        int sz=vec[i].size();
+        for(int j=0;j<sz;j++)
+        {
+            printf(" -> %d",dvec.at(vec[i].at(j)));
+        }
+        printf(" -> NULL\n");
+    }
+    return 0;
+}