import os import sys import heapq N, M = map(int, input().split(' ')) e={} for i in range(N): for j in range(N): e[(i,j)] = sys.maxsize for i in range(M): v1, v2, cost = [int(x) for x in input().split(' ')] e[(v1 -1, v2 -1)] = cost e[(v2 -1, v1 -1)] = cost d = [sys.maxsize] * N d_exe = [sys.maxsize] * N d[0] = 0 d_exe[0] = 0 h = [] for i in range(N): heapq.heappush(h, (d[i],i)) while len(h) > 0: p = heapq.heappop(h) for idx, (_, i) in enumerate(h): if e[(p[1], i)] < sys.maxsize: alt = p[0] + e[(p[1], i)] if d[i] < alt : continue d[i] = alt h[idx] = (alt, i) heapq.heapify(h) h = [] for i in range(N): heapq.heappush(h, (d_exe[i],i)) while len(h) > 0: p = heapq.heappop(h) for idx, (_, i) in enumerate(h): if e[(p[1], i)] < sys.maxsize: alt = min(p[0] + e[(p[1], i)], d[p[1]]) if d_exe[i] < alt : continue d_exe[i] = alt h[idx] = (alt, i) heapq.heapify(h) for i in range(N): print(d[i] + d_exe[i])