from heapq import heappop, heappush def dijkstra(start, dist, path): candidate = [(0, start)] while candidate: cost, i = heappop(candidate) if cost > dist[i]: continue for c, j in path[i]: if cost+c >= dist[j]: continue dist[j] = cost+c heappush(candidate, (cost+c, j)) def dijkstra2(start, dist, path): candidate = [(0, start, 0)] while candidate: cost, i, k = heappop(candidate) if cost > dist[i]: continue for c, j in path[i]: if k == 0: if cost >= dist[j + n]: continue dist[j + n] = cost heappush(candidate, (cost, j, 1)) if cost+c >= dist[j]: continue dist[j] = cost+c heappush(candidate, (cost+c, j, 0)) else: if cost+c >= dist[j + n]: continue dist[j + n] = cost+c heappush(candidate, (cost+c, j, 1)) inf = 10**18+1 n, m = map(int, input().split(" ")) EDGES = [set() for _ in range(n)] for _ in range(m): a, b, c = [int(x)-1 for x in input().split(" ")] c += 1 EDGES[a].add((c, b)) EDGES[b].add((c, a)) to_ = [inf]*n to_[0] = 0 to2 = [inf]*(2 * n) to2[0] = 0 to2[n] = 0 dijkstra(0, to_, EDGES) dijkstra2(0, to2, EDGES) for i in range(n): print(to_[i] + to2[i + n])