diff --git "a/2023/May/week5/\354\235\264\354\240\225\354\232\261/1956_\354\232\264\353\217\231.py" "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/1956_\354\232\264\353\217\231.py"
new file mode 100644
index 0000000..3ffcd76
--- /dev/null
+++ "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/1956_\354\232\264\353\217\231.py"
@@ -0,0 +1,30 @@
+import sys
+sys.setrecursionlimit(10 ** 5)
+input = sys.stdin.readline
+
+v,e = map(int,input().split())
+graph = [[] for _ in range(v+1)]
+
+for _ in range(e):
+    a,b,c = map(int,input().split())
+    graph[a].append((c,b))
+
+dist = [[1e10 for _ in range(v+1)] for _ in range(v+1)]
+
+for _from in range(1,v+1):
+    for _d, _to in graph[_from]:
+        dist[_from][_to] = _d
+
+for k in range(1,v+1):
+    for i in range(1,v+1):
+        for j in range(1,v+1):
+            dist[i][j] = min(dist[i][j],dist[i][k] + dist[k][j])
+
+res = 1e10
+
+for i in range(1,v+1):
+    res = min(res, dist[i][i])
+
+if res == 1e10:
+    print(-1)
+else: print(res)
\ No newline at end of file
diff --git "a/2023/May/week5/\354\235\264\354\240\225\354\232\261/21314_\353\257\274\352\262\270\354\210\230.py" "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/21314_\353\257\274\352\262\270\354\210\230.py"
new file mode 100644
index 0000000..38cc478
--- /dev/null
+++ "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/21314_\353\257\274\352\262\270\354\210\230.py"
@@ -0,0 +1,50 @@
+import sys
+import re
+sys.setrecursionlimit(10 ** 5)
+input = sys.stdin.readline
+
+_s = input().rstrip()
+
+def get_MK_num(s):
+    return  "5" + "0" * (len(s)-1)
+
+def applyMK(s):
+    regex = "[M]+K"
+    _list = re.compile(regex).findall(s)
+    sub = list(re.sub(regex,"*",s))
+    idx = 0
+
+    for i in range(len(sub)):
+        if sub[i] == "*":
+            sub[i] = get_MK_num(_list[idx])
+            idx += 1
+    return sub
+
+def get_MM_num(s):
+    return "1" + "0" * (len(s)-1)
+
+def applyMM(s):
+    regex = "M[M]+"
+    _list = re.compile(regex).findall(s)
+    sub = list(re.sub(regex,"*",s))
+    idx = 0
+
+    for i in range(len(sub)):
+        if sub[i] == "*":
+            sub[i] = get_MM_num(_list[idx])
+            idx += 1
+    return sub
+
+def go(l):
+    for i in range(len(l)):
+        if l[i] == "M":
+            l[i] = "1"
+        if l[i] == "K":
+            l[i] = "5"
+    return "".join(l)
+
+big = applyMK(_s)
+small = applyMM(_s)
+
+print(go(big))
+print(go(small))
\ No newline at end of file
diff --git "a/2023/May/week5/\354\235\264\354\240\225\354\232\261/2206_\353\262\275\353\266\200\354\210\230\352\263\240\354\235\264\353\217\231\355\225\230\352\270\260.py" "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/2206_\353\262\275\353\266\200\354\210\230\352\263\240\354\235\264\353\217\231\355\225\230\352\270\260.py"
new file mode 100644
index 0000000..aef9a81
--- /dev/null
+++ "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/2206_\353\262\275\353\266\200\354\210\230\352\263\240\354\235\264\353\217\231\355\225\230\352\270\260.py"
@@ -0,0 +1,37 @@
+import sys
+from collections import deque
+sys.setrecursionlimit(10 ** 5)
+input = sys.stdin.readline
+
+n,m = map(int,input().split())
+arr = [list(map(int,input().rstrip())) for _ in range(n)]
+dx = [-1,1,0,0]
+dy = [0,0,-1,1]
+visited = [[[1e10,1e10] for _ in range(m)] for _ in range(n)]
+
+q = deque()
+q.append((0,0,1))
+visited[0][0][1] = 1
+
+while q:
+    x,y,can = q.popleft()
+    for i in range(4):
+        nx = x + dx[i]
+        ny = y + dy[i]
+        if nx < 0 or ny < 0 or nx >= n or ny >= m: continue
+        if visited[nx][ny][can] != 1e10: continue
+        if arr[nx][ny] == 1:
+            if can:
+                visited[nx][ny][0] = visited[x][y][1] + 1
+                q.append((nx,ny,0))
+        else:
+            visited[nx][ny][can] = visited[x][y][can] + 1
+            q.append((nx,ny,can))
+
+# for e in visited:
+#     print(e)
+
+if min(visited[n-1][m-1]) == 1e10:
+    print(-1)
+else:
+    print(min(visited[n-1][m-1]))
\ No newline at end of file
diff --git "a/2023/May/week5/\354\235\264\354\240\225\354\232\261/22942_\353\215\260\354\235\264\355\204\260\354\262\264\354\273\244.py" "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/22942_\353\215\260\354\235\264\355\204\260\354\262\264\354\273\244.py"
new file mode 100644
index 0000000..7580771
--- /dev/null
+++ "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/22942_\353\215\260\354\235\264\355\204\260\354\262\264\354\273\244.py"
@@ -0,0 +1,24 @@
+# 답 봤습니다......
+import sys
+sys.setrecursionlimit(10 ** 5)
+input = sys.stdin.readline
+
+n = int(input())
+circles = []
+
+for i in range(n):
+    x,r = map(int,input().split())
+    circles.append((x-r,i))
+    circles.append((x+r,i))
+circles.sort()
+
+st = []
+
+for x,i in circles:
+    if st and st[-1] == i:
+        st.pop()
+    else:
+        st.append(i)
+
+if not st: print("YES")
+else: print("NO")
\ No newline at end of file
diff --git "a/2023/May/week5/\354\235\264\354\240\225\354\232\261/2615_\354\230\244\353\252\251.py" "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/2615_\354\230\244\353\252\251.py"
new file mode 100644
index 0000000..3b3cdfa
--- /dev/null
+++ "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/2615_\354\230\244\353\252\251.py"
@@ -0,0 +1,42 @@
+import sys
+sys.setrecursionlimit(10 ** 5)
+input = sys.stdin.readline
+
+arr = [list(map(int,input().split())) for _ in range(19)]
+dx = [-1,1,0,0,-1,-1,1,1]
+dy = [0,0,-1,1,-1,1,-1,1]
+reverse = [1,0,3,2,7,6,5,4]
+
+def go(x,y,l,d):
+    nx = x + dx[d]
+    ny = y + dy[d]
+    if nx < 0 or ny < 0 or nx >= 19 or ny >= 19: 
+        return l
+    
+    if arr[nx][ny] != arr[l[0][1]][l[0][0]]:
+        return l
+    l.append((ny,nx))
+    return go(nx,ny,l,d)
+
+# one = go(2,1,[(2,1)],7)
+# two= go(2,1,[(2,1)],reverse[7])
+# res = one + two
+# res.sort()
+
+# print(res)
+
+for i in range(19):
+    for j in range(19):
+        for k in range(8):
+            if arr[i][j] == 0: continue
+            one = go(i,j,[(j,i)],k)
+            two = go(i,j,[(j,i)],reverse[k])
+            res = one + two
+            if len(res) == 6:
+                res.sort()
+                # print(res)
+                print(arr[res[0][1]][res[0][0]])
+                print(f"{res[0][1]+1} {res[0][0]+1}")
+                exit()
+
+print(0)
\ No newline at end of file
diff --git "a/2023/May/week5/\354\235\264\354\240\225\354\232\261/4256_\355\212\270\353\246\254.py" "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/4256_\355\212\270\353\246\254.py"
new file mode 100644
index 0000000..bca13c9
--- /dev/null
+++ "b/2023/May/week5/\354\235\264\354\240\225\354\232\261/4256_\355\212\270\353\246\254.py"
@@ -0,0 +1,28 @@
+import sys
+sys.setrecursionlimit(10 ** 5)
+input = sys.stdin.readline
+
+t = int(input())
+for _ in range(t):
+    n = int(input())
+    tree = {}
+    preorder = list(map(int,input().split()))
+    inorder = list(map(int,input().split()))
+    
+    def make_tree(here,_pre,_in):
+        if not _pre or not _in: return
+        tree[here] = _pre[0]
+        idx = _in.index(_pre[0])
+        make_tree(here*2,_pre[1:1+idx],_in[:idx])
+        make_tree(here*2+1,_pre[1+idx:],_in[idx+1:])
+        return 
+    make_tree(1,preorder,inorder)
+    res = []
+    def postorder(here):
+        if here*2 in tree:
+            postorder(here*2)
+        if here*2+1 in tree:
+            postorder(here*2+1)
+        res.append(tree[here])
+    postorder(1)
+    print(" ".join(map(str,res)))
\ No newline at end of file