[백한결] 94차 라이브 코테 제출

live9/test94/문제1/백한결.py

@@ -0,0 +1,18 @@
+def solution(dirs):
+    visited = set()
+    current = (0, 0)
+
+    move = {'U': (0, 1), 'D': (0, -1), 'R': (1, 0), 'L': (-1, 0)}
+
+    for dir in dirs:
+        x = current[0] + move[dir][0]
+        y = current[1] + move[dir][1]
+
+        if -5 <= x <= 5 and -5 <= y <= 5:
+            visited.add(tuple(sorted([current, (x, y)])))
+            print(visited)
+            current = (x, y)
+
+    count = len(visited)
+
+    return count

live9/test94/문제2/백한결.py

@@ -0,0 +1,30 @@
+import heapq
+
+def solution(book_time):
+
+    book_time.sort()
+
+    start = []
+    end = []
+
+    for time in book_time:
+        start.append(hourToMinute(time[0]))
+        end.append(hourToMinute(time[1]) + 10)
+
+    rooms = []
+    heapq.heapify(rooms)
+
+    for i in range(len(book_time)):
+        if rooms and rooms[0] <= start[i]:
+            heapq.heappop(rooms)
+
+        heapq.heappush(rooms, end[i])
+
+    return len(rooms)
+
+def hourToMinute(time):
+    hour, minute = time.split(":")
+
+    minutes = int(hour) * 60 + int(minute)
+
+    return minutes

live9/test94/문제3/백한결.py

@@ -0,0 +1,31 @@
+def solution(stones, k):
+    start = 1
+    end = max(stones)
+    max_friends = 0
+
+    while start <= end:
+        mid = (start + end) // 2
+
+        if checkUnderZero(stones, k, mid):
+            max_friends = mid
+            start = mid + 1
+        else:
+            end = mid - 1
+
+    return max_friends
+
+
+# 징검다리 수에서 건너는 사람 수를 빼서 연속된 0이하의 수가 k를 초과하는지 검사
+def checkUnderZero(stones, k, friends):
+    count = 0
+
+    for stone in stones:
+        if stone - friends < 0:
+            count += 1
+        else:
+            count = 0
+
+        if count >= k:
+            return False
+
+    return True