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 e={} for i in range(N): e[i] = {} 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 = [] heapq.heappush(h, (0,0)) while len(h) > 0: p = heapq.heappop(h) for i in e[p[1]].keys(): alt = p[0] + e[p[1]][i] if d[i] < alt : continue d[i] = alt heapq.heappush(h,(alt, i)) h = [] heapq.heappush(h, (0,0)) while len(h) > 0: p = heapq.heappop(h) for i in e[p[1]].keys(): alt = min(p[0] + e[p[1]][i],d[p[1]]) if d_exe[i] < alt : continue d_exe[i] = alt heapq.heappush(h,(alt, i)) for i in range(N): print(d[i] + d_exe[i])