[#12] Feat: Add 외판원 순회 2

10971.py

@@ -0,0 +1,30 @@
+# 외판원 순회 2
+
+N = int(input())
+weightList = [list(map(int, input().split())) for _ in range(N)]
+visited = [False for _ in range(N)]
+
+answer = float('inf')
+
+
+def travelCity(start, now, count, sumWeight):
+    global answer
+    if (N == count+1):
+        sumWeight += weightList[now][start]
+        answer = min(answer, sumWeight)
+        return
+
+    for i in range(N):
+        if not visited[i] and weightList[now][i] > 0:
+            visited[i] = True
+            sumWeight += weightList[now][i]
+            travelCity(start, i, count+1, sumWeight)
+            visited[i] = False
+            sumWeight -= weightList[now][i]
+
+
+for i in range(N):
+    visited[i] = True
+    travelCity(i, i, 0, 0)
+
+print(answer)