diff --git a/code_study/Baekjoon/c/10775.c b/code_study/Baekjoon/c/10775.c
new file mode 100644
index 0000000..ebadb68
--- /dev/null
+++ b/code_study/Baekjoon/c/10775.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+
+#define MAX 100000
+
+int G, P, gi, res;
+int parent[MAX+1];
+
+void init_uf();
+int find(int x);
+void Union(int x);
+
+int main() {
+    scanf("%d %d", &G, &P);
+    init_uf();
+
+    for(int i=0; i<P; i++) {
+        scanf("%d",&gi);
+        
+        if(find(gi) == 0) break;
+
+        Union(gi);
+        res++;
+    }
+
+    printf("%d\n", res);
+
+    return 0;
+}
+
+void init_uf() {
+    for(int i=0; i<=G; i++) parent[i] = i;
+}
+
+int find(int x) {
+    if(x != parent[x]) return parent[x] = find(parent[x]);
+    return parent[x];
+}
+
+void Union(int x) {
+    parent[find(x)] = find(x)-1;
+}
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/3047.py b/code_study/Baekjoon/python/3047.py
new file mode 100644
index 0000000..0f8613b
--- /dev/null
+++ b/code_study/Baekjoon/python/3047.py
@@ -0,0 +1,2 @@
+a = sorted(list(map(int, input().split())))
+print(*[a[ord(c) - ord('A')] for c in input()])
\ No newline at end of file