N,M=map(int,input().split())
INF=10**18
D=[[INF]*N for i in range(N)]
for i in range(N):
  D[i][i]=0
for i in range(M):
  s,t,d=map(int,input().split())
  D[s-1][t-1]=min(D[s-1][t-1],d)
for k in range(N*5):
  k%=N
  for i in range(N):
    for j in range(N):
      D[i][j]=min(D[i][j],D[i][k]+D[k][j])
P=0
for i in range(N):
  for j in range(N):
    if D[i][j]<INF:
      P+=D[i][j]
  print(P)
  P=0