diff --git a/code_study/Baekjoon/c/1676.c b/code_study/Baekjoon/c/1676.c
new file mode 100644
index 0000000..92c3f88
--- /dev/null
+++ b/code_study/Baekjoon/c/1676.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main() {
+    int N;
+    scanf("%d",&N);
+
+    int res = 0;
+    for(int i=5; i<=N; i=i*5){
+        res += N/i;
+    }
+
+    printf("%d\n",res);
+
+    return 0;
+}
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/10814.py b/code_study/Baekjoon/python/10814.py
new file mode 100644
index 0000000..28063ed
--- /dev/null
+++ b/code_study/Baekjoon/python/10814.py
@@ -0,0 +1,7 @@
+member = []
+for _ in range(int(input())):
+    _age, _name = input().split()
+    member.append((int(_age), _name))
+
+for m in sorted(member,key = lambda x:x[0]):
+    print(m[0], m[1])
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/1181.py b/code_study/Baekjoon/python/1181.py
new file mode 100644
index 0000000..fb02e83
--- /dev/null
+++ b/code_study/Baekjoon/python/1181.py
@@ -0,0 +1,8 @@
+arr = set()
+for _ in range(int(input())) :
+    arr.add(input())
+arr = sorted(list(arr))
+arr = sorted(arr, key=len)
+
+for r in arr:
+    print(r)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/7568.py b/code_study/Baekjoon/python/7568.py
new file mode 100644
index 0000000..c8a3b92
--- /dev/null
+++ b/code_study/Baekjoon/python/7568.py
@@ -0,0 +1,12 @@
+arr = []
+for _ in range(int(input())) :
+    a, b = map(int,input().split())
+    arr.append((a,b))
+
+for tup in arr :
+    k=0
+    for temp in arr:
+        if temp[0]>tup[0] and temp[1]>tup[1] :
+            k += 1
+    print(k+1,end=" ")
+print()
\ No newline at end of file
diff --git a/code_study/Baekjoon/ts/11650.ts b/code_study/Baekjoon/ts/11650.ts
new file mode 100644
index 0000000..9cfff63
--- /dev/null
+++ b/code_study/Baekjoon/ts/11650.ts
@@ -0,0 +1,13 @@
+export {};
+const input: string[] = require("fs").readFileSync(0,"utf8").toString().trim().split('\n');
+let arr:[number, number][] = [];
+for(let i=1; i<=Number(input[0]); i++){
+    let [x, y] = input[i].split(' ').map(Number);
+    arr.push([x,y]);
+}
+arr.sort((a,b)=>{
+    if(a[0]!==b[0]) return a[0] - b[0];
+    else return a[1]-b[1];
+})
+
+arr.forEach(v => console.log(v[0],v[1]));
\ No newline at end of file
diff --git a/code_study/Baekjoon/ts/2751.ts b/code_study/Baekjoon/ts/2751.ts
new file mode 100644
index 0000000..564c590
--- /dev/null
+++ b/code_study/Baekjoon/ts/2751.ts
@@ -0,0 +1,4 @@
+export {};
+const input: string[] = require("fs").readFileSync(0,"utf8").toString().trim().split('\n');
+let arr:number[] = input.slice(1).map(Number).sort((a,b)=>a-b);
+console.log(arr.join('\n'));
\ No newline at end of file