from heapq import heappop, heappush N, M = map(int, input().split()) INF = float('inf') isOnePath = [False] * N edges = [[] for _ in range(N)] for _ in range(M): A, B, C = map(int, input().split()) A -= 1 B -= 1 edges[A].append((B, C)) edges[B].append((A, C)) minDist = [[INF] * N for _ in range(2)] que = [(0, (0, 0))] while que: dist, (now, height) = heappop(que) if minDist[height][now] <= dist: continue minDist[height][now] = dist if height == 0: for to, cost in edges[now]: if minDist[0][to] > dist + cost: heappush(que, (dist + cost, (to, 0))) if minDist[1][to] > dist: heappush(que, (dist, (to, 1))) else: for to, cost in edges[now]: if minDist[1][to] > dist + cost: heappush(que, (dist + cost, (to, 1))) reverseDist = [INF] * N que = [(0, 0)] while que: dist, now = heappop(que) if reverseDist[now] <= dist: continue reverseDist[now] = dist for to, cost in edges[now]: if reverseDist[to] > dist + cost: heappush(que, (dist + cost, to)) print(0) for i in range(1, N): ans = minDist[1][i] + reverseDist[i] print(ans)