n,q = map(int,input().split())
event = []
x = []
for i in range(q):
    e,s,t = map(int,input().split())
    event.append((e,s,1))
    event.append((e,t,-1))
    x.append((e,s,t))
table = [0 for i in range(100000+1)]
temp = 0
event.sort(lambda x:x[1])
i = 0
for e,s,f in event:
    if f == 1:
        while i != s:
            table[i] = 1/temp if temp != 0 else 0
            i += 1
        temp += 1
    else:
        while i != s:
            table[i] = 1/temp if temp != 0 else 0
            i += 1
        temp -= 1

import itertools
ta = list(itertools.accumulate(table))
ta.append(0)
ans = [0 for i in range(n)]
for e,s,t in x:
    e -= 1
    ans[e] += ta[t-1]-ta[s-1]
print(*ans,sep='\n')