From efa4132c3c86d118396163b744733d9039e01eae Mon Sep 17 00:00:00 2001
From: songyc macbook <gitea@gitea>
Date: Wed, 11 Jun 2025 18:35:00 +0900
Subject: [PATCH] 20250611 baekjoon python

---
 code_study/Baekjoon/python/11005.py | 10 ++++++++++
 code_study/Baekjoon/python/1193.py  | 13 +++++++++++++
 code_study/Baekjoon/python/2292.py  |  2 ++
 code_study/Baekjoon/python/2720.py  |  8 ++++++++
 code_study/Baekjoon/python/2745.py  |  9 +++++++++
 code_study/Baekjoon/python/2869.py  |  2 ++
 code_study/Baekjoon/python/2903.py  |  1 +
 7 files changed, 45 insertions(+)
 create mode 100644 code_study/Baekjoon/python/11005.py
 create mode 100644 code_study/Baekjoon/python/1193.py
 create mode 100644 code_study/Baekjoon/python/2292.py
 create mode 100644 code_study/Baekjoon/python/2720.py
 create mode 100644 code_study/Baekjoon/python/2745.py
 create mode 100644 code_study/Baekjoon/python/2869.py
 create mode 100644 code_study/Baekjoon/python/2903.py

diff --git a/code_study/Baekjoon/python/11005.py b/code_study/Baekjoon/python/11005.py
new file mode 100644
index 0000000..6b62cb3
--- /dev/null
+++ b/code_study/Baekjoon/python/11005.py
@@ -0,0 +1,10 @@
+N, B = map(int, input().split())
+res = []
+while(N):
+    val = N%B
+    if val>9:
+        res.append(chr(val+ord('A')-10))
+    else:
+        res.append(chr(val+ord('0')))
+    N//=B
+print(''.join(res[::-1]))
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/1193.py b/code_study/Baekjoon/python/1193.py
new file mode 100644
index 0000000..7833df4
--- /dev/null
+++ b/code_study/Baekjoon/python/1193.py
@@ -0,0 +1,13 @@
+x = int(input())
+val = ((1 + 8 * x) ** 0.5 - 1) / 2
+line = int(val) if val == int(val) else int(val) + 1
+m = int(line * (line + 1) / 2)
+
+if(line%2):
+    denum = line - m + x
+    num = line + 1 - denum
+else:
+    denum = m - x + 1
+    num = line + 1 - denum
+
+print(f"{num}/{denum}")
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2292.py b/code_study/Baekjoon/python/2292.py
new file mode 100644
index 0000000..391865e
--- /dev/null
+++ b/code_study/Baekjoon/python/2292.py
@@ -0,0 +1,2 @@
+x = (1+((4*int(input())-1)/3)**0.5) / 2
+print(int(x) if x==int(x) else int(x)+1)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2720.py b/code_study/Baekjoon/python/2720.py
new file mode 100644
index 0000000..29fd62b
--- /dev/null
+++ b/code_study/Baekjoon/python/2720.py
@@ -0,0 +1,8 @@
+coin = [25,10,5,1]
+for _ in range(int(input())):
+    n = int(input())
+    res = []
+    for c in coin:
+        res.append(n//c)
+        n%=c
+    print(*res)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2745.py b/code_study/Baekjoon/python/2745.py
new file mode 100644
index 0000000..b8f4627
--- /dev/null
+++ b/code_study/Baekjoon/python/2745.py
@@ -0,0 +1,9 @@
+N, B = input().split()
+# res = 0
+# for n in N:
+#     if ord(n)>=ord('0') and ord(n)<=ord('9'):
+#         res = res*int(B)+ord(n)-ord('0')
+#     else:
+#         res = res*int(B)+ord(n)-ord('A')+10
+# print(res)
+print(int(N,int(B)))
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2869.py b/code_study/Baekjoon/python/2869.py
new file mode 100644
index 0000000..196f95d
--- /dev/null
+++ b/code_study/Baekjoon/python/2869.py
@@ -0,0 +1,2 @@
+a, b, v = map(int, input().split())
+print((v-b-1)//(a-b)+1)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2903.py b/code_study/Baekjoon/python/2903.py
new file mode 100644
index 0000000..cc86b16
--- /dev/null
+++ b/code_study/Baekjoon/python/2903.py
@@ -0,0 +1 @@
+print((2**int(input())+1)**2)
\ No newline at end of file