INF = 10 ** 18
n, m = map(int, input().split())
mat = [[INF * 2] * n for _ in range(n)]
for _ in range(m):
    s, t, d = map(int, input().split())
    mat[s - 1][t - 1] = d
for i in range(n):
    mat[i][i] = 0
for i in range(n):
    for j in range(n):
        for k in range(n):
            d = mat[i][k] + mat[k][j]
            if mat[i][j] > d:
                mat[i][j] = d
for i in range(n):
    for j in range(n):
        for k in range(n):
            d = mat[i][k] + mat[k][j]
            if mat[i][j] > d:
                mat[i][j] = d
for i in range(n):
    for j in range(n):
        for k in range(n):
            d = mat[i][k] + mat[k][j]
            if mat[i][j] > d:
                mat[i][j] = d
for row in mat:
    ans = 0
    for x in row:
        if x < INF:
            ans += x
    print(ans)