From 371e636d4c2db8b002fbff9f25a76d661f63a3ae Mon Sep 17 00:00:00 2001
From: songyc macbook <gitea@gitea>
Date: Tue, 19 Aug 2025 20:55:43 +0900
Subject: [PATCH] 20250819 baekjoon

---
 code_study/Baekjoon/python/10815.py | 5 +++++
 code_study/Baekjoon/ts/10815.ts     | 5 +++++
 code_study/Baekjoon/ts/1427.ts      | 2 ++
 code_study/Baekjoon/ts/25305.ts     | 4 ++++
 4 files changed, 16 insertions(+)
 create mode 100644 code_study/Baekjoon/python/10815.py
 create mode 100644 code_study/Baekjoon/ts/10815.ts
 create mode 100644 code_study/Baekjoon/ts/1427.ts
 create mode 100644 code_study/Baekjoon/ts/25305.ts

diff --git a/code_study/Baekjoon/python/10815.py b/code_study/Baekjoon/python/10815.py
new file mode 100644
index 0000000..8590d53
--- /dev/null
+++ b/code_study/Baekjoon/python/10815.py
@@ -0,0 +1,5 @@
+from collections import Counter
+input()
+counter = Counter(input().split())
+input()
+print(' '.join(str(counter[n]) for n in input().split()))
\ No newline at end of file
diff --git a/code_study/Baekjoon/ts/10815.ts b/code_study/Baekjoon/ts/10815.ts
new file mode 100644
index 0000000..55692b6
--- /dev/null
+++ b/code_study/Baekjoon/ts/10815.ts
@@ -0,0 +1,5 @@
+export {};
+const input:string[] = require("fs").readFileSync(0,"utf8").toString().trim().split('\n');
+let counter:Map<number, number> = new Map<number, number>();
+for(let n of input[1].split(' ').map(Number)) counter.set(n,1);
+console.log(input[3].split(' ').map(Number).map((n=> counter.get(n) || 0)).join(' '));
diff --git a/code_study/Baekjoon/ts/1427.ts b/code_study/Baekjoon/ts/1427.ts
new file mode 100644
index 0000000..e3840ed
--- /dev/null
+++ b/code_study/Baekjoon/ts/1427.ts
@@ -0,0 +1,2 @@
+export {};
+console.log(require("fs").readFileSync(0,"utf8").toString().trim().split('').sort((a:string,b:string)=>b.charCodeAt(0)-a.charCodeAt(0)).join(''));
\ No newline at end of file
diff --git a/code_study/Baekjoon/ts/25305.ts b/code_study/Baekjoon/ts/25305.ts
new file mode 100644
index 0000000..d3bef8f
--- /dev/null
+++ b/code_study/Baekjoon/ts/25305.ts
@@ -0,0 +1,4 @@
+export {};
+const input:string[] = require("fs").readFileSync(0,"utf8").toString().trim().split('\n');
+const [N,k]: number[] = input[0].split(" ").map(Number);
+console.log(input[1].split(' ').map(Number).sort((a,b)=>b-a)[k-1]);
\ No newline at end of file