diff --git a/.gitignore b/.gitignore
index c6127b3..8d1cafc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,3 +50,7 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+# config
+fame.cpp
+.cph/
\ No newline at end of file
diff --git a/「USACO3.2」Sweet Butter.cpp b/「USACO3.2」Sweet Butter.cpp
new file mode 100644
index 0000000..42430f1
--- /dev/null
+++ b/「USACO3.2」Sweet Butter.cpp	
@@ -0,0 +1,84 @@
+#include <bits/stdc++.h>
+#define lo long long
+#define INF INT_MAX
+#define LLM LONG_LONG_MAX
+
+using namespace std;
+const int N = 1e7 + 10;
+/*
+    toothless. #17
+    @fredcss_dev
+*/
+
+int n;
+int p;
+int c;
+int mp[800][805];
+int d[805][805];
+int mark[805];
+const int inf = 9999999;
+int res = inf;
+
+signed main()
+{
+    cin >> n >> p >> c;
+    for (int i = 0; i < p; i++)
+    {
+        for (int j = 0; j < p; j++)
+        {
+            if (i == j)
+            {
+                mp[i][j] = 0;
+                d[i][j] = 0;
+            }
+            else
+            {
+                mp[i][j] = inf;
+                d[i][j] = inf;
+            }
+        }
+    }
+    for (int i = 0; i < n; i++)
+    {
+        int t;
+        scanf("%d", &t);
+        mark[t - 1]++;
+    }
+    for (int i = 0; i < c; i++)
+    {
+        int u;
+        int v;
+        int val;
+        scanf("%d%d%d", &u, &v, &val);
+        mp[u - 1][v - 1] = val;
+        mp[v - 1][u - 1] = val;
+        d[u - 1][v - 1] = val;
+        d[v - 1][u - 1] = val;
+    }
+    for (int k = 0; k < p; k++)
+    {
+        for (int i = 0; i < p; i++)
+        {
+            for (int j = 0; j < i; j++)
+            {
+                if (d[i][j] > d[i][k] + d[k][j])
+                {
+                    d[i][j] = d[i][k] + d[k][j];
+                    d[j][i] = d[i][j];
+                }
+            }
+        }
+    }
+    for (int i = 0; i < p; i++)
+    {
+        int sum = 0;
+        for (int j = 0; j < p; j++)
+        {
+            sum += d[i][j] * mark[j];
+        }
+        if (res > sum)
+            res = sum;
+    }
+    printf("%d", res);
+    return 0;
+}
\ No newline at end of file