import sys

# sys.setrecursionlimit(200005)
# sys.set_int_max_str_digits(1000005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()

dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
inf = -1-(-1 << 63)
# md = 10**9+7
md = 998244353

mx=100005
n,q=LI()
cs=[0]*mx
ist=[]
for _ in range(q):
    i,s,t=LI()
    cs[s+1]+=1
    cs[t+1]-=1
    ist.append((i-1,s,t))

for i in range(mx-1):cs[i+1]+=cs[i]
for i in range(mx):
    if cs[i]:cs[i]=1/cs[i]
for i in range(mx-1):cs[i+1]+=cs[i]

ans=[0]*n
for i,s,t in ist:
    ans[i]+=cs[t]-cs[s]

print(*ans,sep="\n")