From 97f863619f00779c323b8adc77bd9053ed7ca31e Mon Sep 17 00:00:00 2001
From: songyc macbook <gitea@gitea>
Date: Thu, 20 Nov 2025 20:45:19 +0900
Subject: [PATCH] 20251120 baekjoon

---
 code_study/Baekjoon/python/1005.py | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 code_study/Baekjoon/python/1005.py

diff --git a/code_study/Baekjoon/python/1005.py b/code_study/Baekjoon/python/1005.py
new file mode 100644
index 0000000..188666c
--- /dev/null
+++ b/code_study/Baekjoon/python/1005.py
@@ -0,0 +1,29 @@
+import sys
+sys.setrecursionlimit(10**6)
+input = sys.stdin.readline
+
+for _ in range(int(input())) :
+    N, K = map(int, input().split())
+    
+    build_time = [0] + list(map(int, input().split()))
+    
+    build_info = [[] for _ in range(N+1)]
+    for _ in range(K) :
+        x, y = map(int, input().split())
+        build_info[y].append(x)
+        
+    W = int(input())
+    
+    dp = [-1]*(N+1)
+    
+    def solve(target) :
+        if dp[target] == -1 :
+            max_build_time = 0
+            for prev in build_info[target] :
+                max_build_time = max(max_build_time, solve(prev))
+        
+            dp[target] = max_build_time + build_time[target]
+        
+        return dp[target]
+    
+    print(solve(W))
\ No newline at end of file