N,Q=map(int,input().split())
L=[]
v=[0]*(10**5+1)
for i in range(Q):
  t,l,r=map(int,input().split())
  v[l]+=1
  v[r]-=1
  L.append((t,l,r))
for i in range(1,10**5+1):
  v[i]=v[i-1]+v[i]
for i in range(10**5+1):
  if v[i]>0:
    v[i]=1/v[i]
for i in range(1,10**5+1):
  v[i]=v[i-1]+v[i]
result=[0]*N
for i in range(Q):
  t,l,r=L[i][:]
  result[t-1]+=v[r-1]
  if l>0:
    result[t-1]-=v[l-1]
for i in range(N):
  print(result[i])