diff --git "a/\354\235\264\355\213\260\354\234\240\354\247\204/10026_\354\240\201\353\241\235\354\203\211\354\225\275.py" "b/\354\235\264\355\213\260\354\234\240\354\247\204/10026_\354\240\201\353\241\235\354\203\211\354\225\275.py"
new file mode 100644
index 0000000..b8e1f30
--- /dev/null
+++ "b/\354\235\264\355\213\260\354\234\240\354\247\204/10026_\354\240\201\353\241\235\354\203\211\354\225\275.py"
@@ -0,0 +1,44 @@
+import sys
+from collections import deque
+
+n = int(sys.stdin.readline())
+visited = [[False] * n for _ in range(n)]
+grid = [list(map(str, input())) for _ in range(n)]
+queue = deque()
+
+dx = [-1, 1, 0, 0]
+dy = [0, 0, -1, 1]
+
+def bfs(x, y):
+    queue.append([x, y])
+    while queue:
+        x, y = queue.popleft()
+        for i in range(4):
+            nx = x + dx[i]
+            ny = y + dy[i]
+            if 0 <= nx < n and 0 <= ny < n and not visited[nx][ny] and grid[nx][ny] == grid[x][y]:
+                queue.append([nx, ny])
+                visited[nx][ny] = True
+
+count = 0
+for i in range(n):
+    for j in range(n):
+        if not visited[i][j]:
+            bfs(i, j)
+            count += 1
+print(count, end=' ')
+
+for i in range(n):
+    for j in range(n):
+        if grid[i][j] == 'R':
+            grid[i][j] = 'G'
+
+visited = [[False] * n for _ in range(n)]
+
+count = 0
+for i in range(n):
+    for j in range(n):
+        if not visited[i][j]:
+            bfs(i, j)
+            count += 1
+print(count)
\ No newline at end of file
diff --git "a/\354\235\264\355\213\260\354\234\240\354\247\204/15723_n\353\213\250 \353\205\274\353\262\225.py" "b/\354\235\264\355\213\260\354\234\240\354\247\204/15723_n\353\213\250 \353\205\274\353\262\225.py"
new file mode 100644
index 0000000..a4398c5
--- /dev/null
+++ "b/\354\235\264\355\213\260\354\234\240\354\247\204/15723_n\353\213\250 \353\205\274\353\262\225.py"	
@@ -0,0 +1,27 @@
+import sys
+
+input = sys.stdin.readline
+INF = int(1e9)
+
+N = int(sys.stdin.readline())
+
+alphabet = "abcdefghijklmnopqrstuvwxyz"
+n = len(alphabet)
+graph = [[INF] * n for _ in range(n)]
+
+for _ in range(N):
+    a, b = map(alphabet.index, input().rstrip().split(" is "))
+    graph[a][b] = 1
+
+for k in range(n):
+    for i in range(n):
+        for j in range(n):
+            graph[i][j] = min(graph[i][j], graph[i][k] + graph[k][j])
+
+M = int(input())
+for _ in range(M):
+    a, b = map(alphabet.index, input().rstrip().split(" is "))
+    if graph[a][b] == INF:
+        print("F")
+    else:
+        print("T")