Merge pull request #216 from AlgoLeadMe/63-tgyuuAn

63-tgyuuAn

tgyuuAn/BFS/로고.py

@@ -0,0 +1,59 @@
+import sys
+from collections import deque
+
+def input(): return sys.stdin.readline().rstrip()
+
+N = int(input())
+
+can_visit = set()
+for _ in range(N):
+    x1, y1, x2, y2 = map(int,input().split())
+
+    x1 *= 2
+    y1 *= 2
+    x2 *= 2
+    y2 *= 2
+
+    for draw_x in range(x1, x2+1):
+        can_visit.add((draw_x, y1))
+        can_visit.add((draw_x, y2))
+
+    for draw_y in range(y1, y2+1):
+        can_visit.add((x1, draw_y))
+        can_visit.add((x2, draw_y))
+
+
+dx = [0, 0, -1, 1]
+dy = [-1, 1, 0, 0]
+can_visit.add((0, 0))
+draw_coordinate = deque(can_visit)
+answer = 0
+while draw_coordinate:
+    deq = deque()
+
+    if (0, 0) in can_visit: 
+        deq.append((0, 0))
+        can_visit.discard((0, 0))
+
+    else:
+        now_x, now_y = draw_coordinate.popleft()
+        if (now_x, now_y) not in can_visit: continue
+
+        deq.append((now_x, now_y))
+        can_visit.discard((now_x, now_y))
+
+    while deq:
+        now_x, now_y = deq.popleft()
+
+        for dir in range(4):
+            new_x = now_x + dx[dir]
+            new_y = now_y + dy[dir]
+
+            if (new_x, new_y) not in can_visit: continue
+
+            can_visit.discard((new_x, new_y))
+            deq.append((new_x, new_y))
+
+    answer += 1
+
+print(answer-1)

tgyuuAn/README.md

@@ -66,5 +66,6 @@
 | 59차시 | 2024.06.03 |  다익스트라 + 이분 탐색  | <a href="https://www.acmicpc.net/problem/14942">개미</a> | https://github.com/AlgoLeadMe/AlgoLeadMe-1/pull/207
 | 60차시 | 2024.06.07 |  그리디  | <a href="https://www.acmicpc.net/problem/14939">불 끄기</a> | https://github.com/AlgoLeadMe/AlgoLeadMe-1/pull/209
 | 61차시 | 2024.06.20 |  크루스칼  | <a href="https://www.acmicpc.net/problem/1774">우주신과의 교감</a> | https://github.com/AlgoLeadMe/AlgoLeadMe-1/pull/212
-| 62차시 | 2024.07.01 |  DP  | <a href="https://www.acmicpc.net/problem/1949">우수 마을</a> | https://github.com/AlgoLeadMe/AlgoLeadMe-1/pull/214
+| 62차시 | 2024.07.01 |  DP  | <a href="https://www.acmicpc.net/problem/1949">우수 마을</a> | https://github.com/AlgoLeadMe/AlgoLeadMse-1/pull/214
+| 63차시 | 2024.07.08 |  BFS  | <a href="https://www.acmicpc.net/problem/3108">로고</a> | https://github.com/AlgoLeadMe/AlgoLeadMe-1/pull/216
 ---