complete 30868.py and uncomplete 1717.py 1806.py 30869.py

zeta_python/30869.py

@@ -0,0 +1,40 @@
+import sys
+import heapq
+
+input = sys.stdin.readline
+
+if __name__ == "__main__":
+    N, M, K = map(int, input().split())
+    L = [[] for _ in range(M + 1)]
+    for _ in range(M):
+        s, e, t, g = map(int, input().split())
+        L[s].append((e, t, g))
+    res = 100000000000
+
+    D = []
+    vis_tmp = [0] * (N + 1)
+    vis_tmp[1] = 1
+    heapq.heappush(
+        D,
+        (0, 1, K, vis_tmp),
+    )
+    while D:
+        now_t, now_stop, now_k, vis = heapq.heappop(D)
+        vis[now_stop] = 1
+        if now_stop == N:
+            res = min(res, now_t)
+            break
+
+        for e, t, g in L[now_stop]:
+            if vis_tmp[e]:
+                continue
+            if now_t % g == 0:
+                heapq.heappush(D, (now_t + t, e, now_k, vis.copy()))
+            else:
+                heapq.heappush(D, (now_t + -now_t % g + g + t, e, now_k, vis.copy()))
+                # 버스 소환술 사용
+                if now_k >= 1:
+                    heapq.heappush(D, (now_t + t, e, now_k - 1, vis.copy()))
+    else:
+        res = -1
+    print(res)