import sys, time, random
from collections import deque, Counter, defaultdict
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353

n, q = mi()

start = [[] for _ in range(10 ** 5 + 1)]
end = [[] for _ in range(10 ** 5 + 1)]
for _ in range(q):
    i, s, t = mi()
    i -= 1
    start[s].append(i)
    end[t].append(i)

ans = [0] * n

counter = 0
now = 0
for t in range(10 ** 5 + 1):
    for v in start[t]:
        ans[v] -= counter
        now += 1
    for v in end[t]:
        ans[v] += counter
        now -= 1
    if now > 0:
        counter += 1 / now

for v in ans:
    print(v)