bpt = Bipartite(es)
bpt.analize()
a = len(bpt.isolated_vertiecs)
b = len(bpt.bipartite_ccs)
c = len(bpt.not_bipartite_ccs)
ans = 2*N*a - a**2
ans += 2*b*b
ans += 2*b*c
ans += c*c
print(ans)
bpt = Bipartite(es)
bpt.analize()
B = 1000
dp = set([0])
for x inrange(len(bpt.bipartite_ccs)):
b,w = bpt.bipartite_distribution(x)
ndp = set()
for v in dp:
pb,pw = v//B,v%B
if pb+b <= c1 and pw+w <= c2:
ndp.add((pb+b)*B + pw+w)
if pb+w <= c1 and pw+b <= c2:
ndp.add((pb+w)*B + pw+b)
dp |= ndp
iso = len(bpt.isolated_vertiecs)
for v in dp:
pb,pw = v//B,v%B
if (c1-pb) + (c2-pw) <= iso:
exit(print('Yes'))
print('No')
A,M,L,R = map(int,input().split())
L -= A
R -= A
from decimal import Decimal
L = Decimal(L) / Decimal(M)
R = Decimal(R) / Decimal(M)
from math import ceil,floor
L = ceil(L)
R = floor(R)
print(R - L + 1)
A,M,L,R = map(int,input().split())
L -= A
R -= A
from fractions import Fraction
L = Fraction(L, M)
R = Fraction(R, M)
from math import ceil,floor
L = ceil(L)
R = floor(R)
print(R - L + 1)
from heapq import heappop,heappush,heapify
classMex:
def__init__(self, arr=[], MAX=10**6) -> None:
self.MAX = MAX + 5
self.hist = [0] * (self.MAX+1)
for a in arr:
if a > self.MAX: continue
self.hist[a] += 1
self.q = []
self.d = []
for i inrange(self.MAX+1):
if self.hist[i] == 0:
heappush(self.q, i)
defget(self):
while self.q and self.d and self.q[0]==self.d[0]:
heappop(self.q)
heappop(self.d)
return self.q[0] if self.q elseNonedefadd(self, x):
if x > self.MAX: return
self.hist[x] += 1if self.hist[x] == 1:
heappush(self.d, x)
defremove(self, x):
if x > self.MAX: return
self.hist[x] -= 1if self.hist[x] == 0:
heappush(self.q, x)