Merge pull request #28 from AlgoLeadMe/6-fnzksxl

6-fnzksxl
AlgoLeadMe · Feb 18, 2024 · 838c5c6 · 838c5c6
2 parents 20bc426 + f7d84ee
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diff --git a/fnzksxl/DP/등굣길.py b/fnzksxl/DP/등굣길.py
@@ -0,0 +1,21 @@
+def solution(m, n, puddles):
+    dp = [[0 for i_ in range(m+1)] for j in range(n+1)]
+
+    dp[0][1] = 1
+
+    for puddle in puddles:
+        a,b = puddle
+        dp[b][a] = -1
+
+    for j in range(1,m+1):
+        for i in range(1,n+1):
+            if dp[i][j] == -1:
+                continue
+            elif dp[i-1][j] == -1:
+                dp[i][j] = dp[i][j-1]
+            elif dp[i][j-1] == -1:
+                dp[i][j] = dp[i-1][j]
+            else:
+                dp[i][j] = (dp[i-1][j] + dp[i][j-1])
+
+    return dp[n][m]%1000000007
diff --git a/fnzksxl/README.md b/fnzksxl/README.md
@@ -7,4 +7,5 @@
 | 3차시 | 2024-01-24 | 그리디 | [소트](https://www.acmicpc.net/problem/1083) | [#15](https://github.com/AlgoLeadMe/AlgoLeadMe-6/pull/15) |
 | 4차시 | 2024-01-31 | 그리디 | [요격 시스템](https://school.programmers.co.kr/learn/courses/30/lessons/181188) | [#19](https://github.com/AlgoLeadMe/AlgoLeadMe-6/pull/19) |
 | 5차시 | 2024-02-06 | 다익스트라 | [최소비용 구하기 2](https://www.acmicpc.net/problem/11779) | [#21](https://github.com/AlgoLeadMe/AlgoLeadMe-6/pull/21) |
+| 6차시 | 2024-02-14 | DP | [등굣길](https://school.programmers.co.kr/learn/courses/30/lessons/42898) | [#28](https://github.com/AlgoLeadMe/AlgoLeadMe-6/pull/28)
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