[BOJ] 1106 호텔 (G4)

Author: jihostudy

김지호/10주차/260303.py

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+# https://www.acmicpc.net/problem/1106
+# 호텔, 골드4
+
+import sys
+import copy
+sys.stdin = open("../../../input.txt",'r')
+
+C, N = map(int,input().split(" ")) # C(도달 최종직원 수), N(도시의 개수)
+
+costs = []
+
+for i in range(N):
+  cost,customer = map(int,input().split(" "))
+  costs.append([cost,customer])
+
+costs.sort(key=lambda x:(x[0],-x[1]))
+
+min_cost, min_customer = costs[0]
+
+
+dp = [0] * (C+1)
+
+for curr in range(1,C+1):
+  # 최소 대입
+  if curr <= min_customer:
+    dp[curr] = min_cost
+    continue
+  
+  
+  candidates = []
+  for cost,customer in costs:
+    if curr-customer >= 0:
+      candidates.append(dp[curr-customer] + cost)
+
+  if(len(candidates) == 0):
+    dp[curr] = min_cost
+  else:
+    dp[curr] = min(candidates)
+  
+# print(f"최소 비용 : {min_cost}")
+# print(f"최소 고객수 : {min_customer}")
+# print(dp)
+print(dp[C])