97차 1번 문제풀이

Author: Yujin-Baek

live9/test97/문제1/백유진.py

@@ -0,0 +1,32 @@
+def solution(board, skill):
+    n = len(board)
+    m = len(board[0])
+    
+    acc = [[0] * (m + 1) for _ in range(n + 1)]
+    
+    # skill 명령 누적합 배열에 저장
+    for t, r1, c1, r2, c2, degree in skill:
+        diff = degree if t == 2 else -degree
+        acc[r1][c1] += diff
+        acc[r1][c2 + 1] -= diff
+        acc[r2 + 1][c1] -= diff
+        acc[r2 + 1][c2 + 1] += diff
+    
+    # 가로 누적합
+    for i in range(n):
+        for j in range(1, m):
+            acc[i][j] += acc[i][j - 1]
+    
+    # 세로 누적합
+    for j in range(m):
+        for i in range(1, n):
+            acc[i][j] += acc[i - 1][j]
+    
+    answer = 0
+    for i in range(n):
+        for j in range(m):
+            board[i][j] += acc[i][j]
+            if board[i][j] > 0:
+                answer += 1
+    
+    return answer