local n, q = io.read("*n", "*n")
local p, s, t = {}, {}, {}
local a = {}
local lim = 100001
for i = 1, lim do
  a[i] = 0
end
for i = 1, q do
  local pi, si, ti = io.read("*n", "*n", "*n")
  si = si + 1
  ti = ti + 1
  p[i], s[i], t[i] = pi, si, ti
  a[si] = a[si] + 1
  a[ti] = a[ti] - 1
end
for i = 2, lim do
  a[i] = a[i - 1] + a[i]
end
for i = 1, lim do
  if 0 < a[i] then
    a[i] = 1 / a[i]
  end
end
for i = 2, lim do
  a[i] = a[i - 1] + a[i]
end
local ans = {}
for i = 1, n do
  ans[i] = 0
end
for i = 1, q do
  local pi, si, ti = p[i], s[i], t[i]
  ans[pi] = ans[pi] + a[ti - 1]
  if 1 < si then
    ans[pi] = ans[pi] - a[si - 1]
  end
end
print(table.concat(ans, "\n"))