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_ = eval(input()) seq = list(map(int,input().split())) seq1 = seq[::2] seq2 = seq[1::2] if len(set(seq)) == 1: print((min(len(seq1),len(seq2)))) exit() def count_dictonary(seq): ret_dict={} for item in seq: if item not in ret_dict: ret_dict[item] = 1 e...
_ = eval(input()) seq = list(map(int,input().split())) seq1 = seq[::2] seq2 = seq[1::2] if len(set(seq)) == 1: print((len(seq2))) exit() def count_dictonary(seq): ret_dict={} for item in seq: if item not in ret_dict: ret_dict[item] = 1 else: ...
p03244
_ = eval(input()) seq = list(map(int,input().split())) seq1 = seq[::2] seq2 = seq[1::2] if len(set(seq)) == 1: print((len(seq2))) exit() def count_dictonary(seq): ret_dict={} for item in seq: if item not in ret_dict: ret_dict[item] = 1 else: ...
def count_char_occurrence(seq): # count how many times characters occur and return results as a dictionary ret = {} for char in seq: if char in ret: ret[char] += 1 else: ret[char] = 1 return ret def accum_char_frequency(seq): """ accumulate ...
p03244
# coding: utf-8 # hello worldと表示する #dpでできないかな? import sys input = sys.stdin.readline sys.setrecursionlimit(10**7) from collections import Counter, deque from collections import defaultdict from itertools import combinations, permutations, accumulate, groupby, product from bisect import bisect_left,bisect_right...
# coding: utf-8 # hello worldと表示する #float型を許すな #numpyはpythonで import sys input = sys.stdin.readline sys.setrecursionlimit(10**7) from collections import Counter, deque from collections import defaultdict from itertools import combinations, permutations, accumulate, groupby, product from bisect import bisect_l...
p03244
import collections n = int(eval(input())) odd = [] even = [] for i, j in enumerate(map(int, input().split())): if i % 2 == 0: even += [j] else: odd += [j] odd = sorted(list(collections.Counter(odd).items()), reverse=True, key=lambda x: x[1]) even = sorted(list(collections.Counter(eve...
import collections n = int(eval(input())) odd = [] even = [] for i,j in enumerate(map(int,input().split())): if i % 2 == 0: even += [j] else: odd += [j] odd = sorted(list(collections.Counter(odd).items()),key=lambda x:(x[1]),reverse=True) even = sorted(list(collections.Counter(even...
p03244
def main(): from collections import Counter n = int(eval(input())) V = list(map(int,input().split())) odds = [] evens = [] for i,v in enumerate(V): if i & 1: evens.append(v) else: odds.append(v) odds_counter = list(Counter(odds).items(...
def main(): from collections import Counter n = int(eval(input())) V = list(map(int,input().split())) odds = [] evens = [] for i,v in enumerate(V): if i & 1: evens.append(v) else: odds.append(v) odds_modes= Counter(odds).most_common(2)...
p03244
n = int(eval(input())) v = list(map(int, input().split())) v1 = v[0::2] v2 = v[1::2] m1, m2 = {}, {} for vi in v1: if vi in m1: m1[vi] += 1 else: m1[vi] = 1 for vi in v2: c = m2[vi] if vi in m2 else 0 m2[vi] = c + 1 p1 = [(k, m1[k]) for k in list(m1.keys())] p2 = [(k,...
n = int(eval(input())) v = list(map(int, input().split())) va = v[0::2] vb = v[1::2] ma, mb = {None: 0}, {None: 0} for vi in va: c = ma[vi] if vi in ma else 0 ma[vi] = c + 1 for vi in vb: c = mb[vi] if vi in mb else 0 mb[vi] = c + 1 # items() is [(k, m[k]) for k in m.keys()] pa = list(...
p03244
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) odd = v[::2] even = v[1::2] c_even = Counter(even).most_common(2) c_odd = Counter(odd).most_common(2) if(c_even[0][0] != c_odd[0][0]): print((n - c_even[0][1] - c_odd[0][1])) else: if(len(c_e...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) odd = v[::2] even = v[1::2] c_even = Counter(even).most_common(2) c_odd = Counter(odd).most_common(2) if(c_even[0][0] != c_odd[0][0]): print((n - c_even[0][1] - c_odd[0][1])) else: if(len(c_e...
p03244
# ABC111C - /\/\/\/ from collections import Counter def main(): N, *V = list(map(int, open(0).read().split())) even, odd = Counter(V[::2]).most_common(2), Counter(V[1::2]).most_common(2) if even[0][0] != odd[0][0]: # replace except the modes of both parities ans = N - even[0][1] - odd[0][...
# ABC111C - /\/\/\/ from collections import Counter def main(): N, *V = open(0).read().split() N = int(N) even, odd = Counter(V[::2]).most_common(2), Counter(V[1::2]).most_common(2) if even[0][0] != odd[0][0]: # replace except the modes of both parities ans = N - even[0][1] - odd[0][...
p03244
def main(): n = int(eval(input())) v = input_list() evens = [] odds = [] vs = v[:] kind = len(set(vs)) if kind == 1: print((n//2)) exit(0) for i, vv in enumerate(v): if i % 2 == 0: evens.append(vv) else: odds.append(vv) ec = collections.Counter(evens) ...
import math import fractions from functools import reduce def main(): n = int(eval(input())) a = input_list() if len(set(a)) == 1: print((n//2)) exit(0) evens = {} odds = {} for i, v in enumerate(a): if i % 2 == 0: if v in evens: ...
p03244
import sys input = sys.stdin.readline from collections import Counter def main(): N = int(eval(input())) V = [int(x) for x in input().split()] a = [] b = [] for i in range(N): if i & 1: a.append(V[i]) else: b.append(V[i]) ac = Counte...
import sys input = sys.stdin.readline from collections import Counter def main(): N = int(eval(input())) V = [int(x) for x in input().split()] ac = Counter() bc = Counter() for i in range(N): if i & 1: ac[V[i]] += 1 else: bc[V[i]] += 1 ...
p03244
from collections import Counter n = int(eval(input())) li = list(map(int,input().split())) a = [l for i,l in enumerate(li) if i % 2 == 0] b = [l for i,l in enumerate(li) if i % 2 == 1] se_a = list(set(a)) se_b = list(set(b)) all_lis = [] for aa in se_a: tmp_cnt = len(a) - Counter(a)[aa] #print(tmp_c...
from collections import Counter n = int(eval(input())) li = list(map(int,input().split())) a = [l for i,l in enumerate(li) if i % 2 == 0] b = [l for i,l in enumerate(li) if i % 2 == 1] se_a = list(set(a)) se_b = list(set(b)) if Counter(a).most_common()[0][0] != Counter(b).most_common()[0][0]: a_change = len...
p03244
n = int(eval(input())) l = list(map(int, input().split())) a = [] b = [] ca = [] cb = [] for i in range(n // 2): a.append(l[i * 2]) b.append(l[i * 2 + 1]) while (len(a) > 0): ca.append([a[0], a.count(a[0])]) a = [s for s in a if not(s == a[0])] while (len(b) > 0): cb.append([b[0], b.cou...
n = int(eval(input())) l = list(map(int, input().split())) a = {} b = {} for i in range(n // 2): key_a = l[i * 2] key_b = l[i * 2 + 1] if key_a in a: a[key_a] = a[key_a] + 1 else: a[l[i * 2]] = 1 if key_b in b: b[key_b] = b[key_b] + 1 else: b[key_b] ...
p03244
n = int(eval(input())) l = list(map(int, input().split())) a = {} b = {} for i in range(n // 2): key_a = l[i * 2] key_b = l[i * 2 + 1] if key_a in a: a[key_a] = a[key_a] + 1 else: a[l[i * 2]] = 1 if key_b in b: b[key_b] = b[key_b] + 1 else: b[key_b] ...
n = int(eval(input())) l = list(map(int, input().split())) a = {} b = {} for i in range(n // 2): key_a = l[i * 2] key_b = l[i * 2 + 1] if key_a in a: a[key_a] = a[key_a] + 1 else: a[l[i * 2]] = 1 if key_b in b: b[key_b] = b[key_b] + 1 else: b[key_b] ...
p03244
n = int(eval(input())) V = list(map(int, input().split())) A = V[::2] B = V[1::2] set_A = set(A) set_B = set(B) max_a = 0 max_b = 0 for a in set_A: cnt_a = A.count(a) max_a = max(max_a, cnt_a) for b in set_B: cnt_b = B.count(b) max_b = max(max_b, cnt_b) ans = (len(A) - max_a) + (len(B) - max_b) ...
n = int(eval(input())) V = list(map(int, input().split())) A = {} B = {} for i in range(n): if i % 2 == 0:#A A[V[i]] = A.get(V[i], 0) + 1 else:#B B[V[i]] = B.get(V[i], 0) + 1 A = sorted(list(A.items()), key=lambda x:x[1], reverse=True) B = sorted(list(B.items()), key=lambda x:x[1], reverse=True)...
p03244
n = int(eval(input())) l = list(input().split()) ll,lr = l[::2],l[1::2] dl,dr = {},{} for i in ll: dl[i] = dl.get(i,0)+1 for j in lr: dr[j] = dr.get(j,0)+1 ltl = sorted(list(dl.items()),key=lambda k:-k[1]) ltr = sorted(list(dr.items()),key=lambda k:-k[1]) if ltl[0][0] != ltr[0][0]: print((n-ltl[0][1]-ltr[0][...
n = int(eval(input())) v = list(input().split()) def f(b): h = v[b::2] d = {0:0} for i in h: d[i] = d.get(i,0)+1 return sorted(list(d.items()),key=lambda k:-k[1]) l,r = f(0),f(1) print((n-l[0][1]-[r[0][1],max(l[1][1],r[1][1])][l[0][0] == r[0][0]]))
p03244
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) gu = v[::2] ki = v[1::2] ans = 0 k,g = False,False if v.count(v[0]) == n:#全部同じ ans += n // 2 else: kic = Counter(ki) guc = Counter(gu) k1 = kic.most_common(2) g1 = guc.most_common(2) if k1[...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) gu = v[::2] ki = v[1::2] ans = 0 k,g = False,False ###全部同じなら全長の半分, # 最頻値が同じなら2番目を比べる if v.count(v[0]) == n: ans += n // 2 else: kic = Counter(ki) guc = Counter(gu) k1 = kic.most_common(2) g1 =...
p03244
import sys stdin = sys.stdin ni = lambda: int(ns()) na = lambda: list(map(int, stdin.readline().split())) ns = lambda: stdin.readline().rstrip() # ignore trailing spaces n = ni() vvv = na() d = {} for i in range(n): if vvv[i] not in list(d.keys()): d[vvv[i]] = 1 else: d[vvv[i]...
import sys stdin = sys.stdin ni = lambda: int(ns()) na = lambda: list(map(int, stdin.readline().split())) ns = lambda: stdin.readline().rstrip() # ignore trailing spaces n = ni() vvv = na() even = vvv[::2] odd = vvv[1::2] d_even = {} d_odd = {} for i in range(n//2): if even[i] not in list(d_even....
p03244
from collections import Counter n = int(eval(input())) v = list(map(int ,input().split())) o = Counter(v[::2]).most_common() # 偶数列の最頻値の順に並べる e = Counter(v[1::2]).most_common() # 奇数列の最頻値の順に並べる if o[0][0] == e[0][0]: # 最頻値が偶数列と奇数列で同じかどうか判定 if len(o) == 1: print((n//2)) # 値のバリエーションが最頻値のみの場合は片方の数列を書き換えて終わり e...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) o = Counter(v[::2]).most_common() e = Counter(v[1::2]).most_common() if o[0][0] == e[0][0]: if len(o) == 1: print((e[0][1])) else: o1,o2 = e[0][1], e[1][1] e1,e2 = o[0][1], o[1][1] ans = min(n-o1-o...
p03244
from collections import Counter n = int(eval(input())) lis = list(map(int, input().split())) a = Counter(lis[::2]) b = Counter(lis[1::2]) aa = sorted(list(a.items()), key=lambda x:x[1], reverse=True) bb = sorted(list(b.items()), key=lambda x:x[1], reverse=True) if aa[0][0] == bb[0][0]: if len(aa) > 1 ...
from collections import Counter n = int(eval(input())) lis = list(map(int, input().split())) a = Counter(lis[::2]) b = Counter(lis[1::2]) aa = sorted(list(a.items()), key=lambda x:x[1], reverse=True) bb = sorted(list(b.items()), key=lambda x:x[1], reverse=True) aa.append((0, 0)) bb.append((0, 0)) if aa...
p03244
from collections import Counter n = int(eval(input())) v = list(map(int,input().split())) v1 = v[0::2] v2 = v[1::2] count1 = Counter(v1) count2 = Counter(v2) count1[0] = 0 MAX = 0 for i in list(count1.keys()): for j in list(count2.keys()): if i != j and MAX < count1[i] + count2[j]: M...
from collections import Counter n = int(eval(input())) v = list(map(int,input().split())) v1 = v[0::2] v2 = v[1::2] count1 = Counter(v1) count2 = Counter(v2) count1[0] = 0 count2[0] = 0 items1 = [] items2 = [] key1 = max(list(count1.keys()), key = count1.get) items1.append([key1, count1[key1]]) del count1[...
p03244
#!/usr/bin/env python3 #ABC111 C import sys import math import bisect sys.setrecursionlimit(1000000000) from heapq import heappush, heappop from collections import defaultdict from itertools import accumulate from collections import Counter from collections import deque from operator import itemgetter fro...
#!/usr/bin/env python3 import sys import math from bisect import bisect_right as br from bisect import bisect_left as bl sys.setrecursionlimit(2147483647) from heapq import heappush, heappop,heappushpop from collections import defaultdict from itertools import accumulate from collections import Counter from...
p03244
from collections import defaultdict ODD = defaultdict(int) EVEN = defaultdict(int) ALL = set([]) N = int(eval(input())) A = list(map(int,input().split())) for i in range(N): ALL.add(A[i]) if i%2 == 0: EVEN[A[i]] += 1 else: ODD[A[i]] += 1 if len(ALL) == 1: ans = N//2 print(ans) exit(...
from collections import defaultdict ODD = defaultdict(int) EVEN = defaultdict(int) ALL = set([]) N = int(eval(input())) A = list(map(int,input().split())) for i in range(N): ALL.add(A[i]) if i%2 == 0: EVEN[A[i]] += 1 else: ODD[A[i]] += 1 if len(ALL) == 1: ans = N//2 print(ans) exit(...
p03244
from collections import defaultdict n = int(eval(input())) v = [int(x) for x in input().split()] even_ocr = defaultdict(int) # v[0], v[2], ..., で各数が何回現れるか odd_ocr = defaultdict(int) # v[1], v[3], ..., で各数が何回現れるか for i in range(n // 2): even_ocr[v[2 * i]] += 1 odd_ocr[v[2 * i + 1]] += 1 even_max_n...
from collections import defaultdict, Counter n = int(eval(input())) v = [int(x) for x in input().split()] cnt_even = Counter(v[0::2]) cnt_odd = Counter(v[1::2]) # [(要素, 出現回数), (要素, 出現回数), ....] common_even = cnt_even.most_common() common_odd = cnt_odd.most_common() if len(common_even) == 1: # 1種類の数しかない ...
p03244
#!/usr/bin/env python3 import sys from math import * from itertools import * from collections import * from functools import * try: from math import gcd except Exception: from fractions import gcd def solve(n: int, v: "List[int]"): e = [(len(v[0::2]) - vv, k, 0) for k, vv in list(Counter(v[0:...
#!/usr/bin/env python3 import sys from math import * from itertools import * from collections import * from functools import * try: from math import gcd except Exception: from fractions import gcd def solve(n: int, v: "List[int]"): e = v[0::2] o = v[1::2] ec = sorted([(vv, k) for ...
p03244
# -*- coding: utf-8 -*- import collections def search_b(a_char, a_count, b_most_common, fixed_count): thres = fixed_count - a_count for (b_char, b_count) in [b for b in b_most_common if b[1] > thres]: if a_char != b_char: return a_count + b_count return fixed_count def search(a_most_co...
# -*- coding: utf-8 -*- import collections def search_b(a_char, a_count, b_most_common, fixed_count): thres = fixed_count - a_count for (b_char, b_count) in [b for b in b_most_common if b[1] > thres]: if a_char != b_char: return a_count + b_count return fixed_count def search(a_most_co...
p03244
n = int(eval(input())) v = list(map(int,input().split())) b = [] c = [] for i, vv in enumerate(v): if i%2 == 0: b.append(vv) else: c.append(vv) b_set = [] c_set = [] for bb in set(b): b_set.append((b.count(bb), bb)) for cc in set(c): c_set.append((c.count(cc), cc)) ...
n = int(eval(input())) v = list(map(int,input().split())) b = [] c = [] for i, vv in enumerate(v): if i%2 == 0: b.append(vv) else: c.append(vv) b_set = {} c_set = {} for bb in b: if not bb in list(b_set.keys()): b_set[bb] = 1 else: b_set[bb] += 1 f...
p03244
from collections import Counter n, *v = list(map(int, open(0).read().split())) vo = Counter(v[::2]) ve = Counter(v[1::2]) vo_mc = vo.most_common()[0] ve_mc = ve.most_common()[0] if vo_mc[0] == ve_mc[0]: if vo_mc[1] > ve_mc[1]: ans = n//2 - vo_mc[1] if ve_mc[1] != n//2: ans +=...
from collections import Counter n, *v = list(map(int, open(0).read().split())) vo = Counter(v[::2]) ve = Counter(v[1::2]) vo_mc = vo.most_common()[0] ve_mc = ve.most_common()[0] if vo_mc[0] == ve_mc[0]: ans = n if ve_mc[1] != n//2: ans = min(n//2 - vo_mc[1] + n//2 - ve.most_common()[1][1], an...
p03244
# 2019-11-10 17:11:42(JST) import sys import collections # import math # from string import ascii_lowercase, ascii_uppercase, digits # from bisect import bisect_left as bi_l, bisect_right as bi_r # import itertools # from functools import reduce import operator as op # from scipy.misc import comb # float # im...
import sys from collections import Counter n, *v = list(map(int, sys.stdin.read().split())) def main(): c1 = sorted(list(Counter(v[::2]).items()), reverse=True, key=lambda x: x[1]) c2 = sorted(list(Counter(v[1::2]).items()), reverse=True, key=lambda x: x[1]) if c1[0][0] != c2[0][0]: ...
p03244
import collections N = int(eval(input())) v = list(map(int, input().split())) if len(set(v)) == 1: print((int(len(v)/2))) exit() ov = [v[i] for i in range(1,len(v),2)] ev = [v[i] for i in range(0, len(v), 2)] cov = collections.Counter(ov) cev = collections.Counter(ev) mov = cov.most_common()[0][0] mev ...
import collections N = int(eval(input())) v = list(map(int, input().split())) if len(set(v)) == 1: print((int(len(v)/2))) exit() cov = collections.Counter(v[1::2]) cev = collections.Counter(v[::2]) mov = cov.most_common()[0][0] mev = cev.most_common()[0][0] ans = len(v) - cov[mov] - cev[mev] if mov == ...
p03244
from collections import Counter from collections import deque if __name__ == '__main__': n = int(eval(input())) vs0 = [] vs1 = [] for i,v in enumerate(map(int, input().split())): if i % 2 == 0: vs0.append(v) else: vs1.append(v) vs0 = deque(sorted(...
from collections import Counter if __name__ == '__main__': n = int(eval(input())) vs = [int(s) for s in input().split()] counter0 = list(Counter(vs[0::2]).items()) + [(100001, 0)] counter1 = list(Counter(vs[1::2]).items()) + [(100001, 0)] v0, c0 = max(counter0, key=lambda t: t[1]) v1, c...
p03244
n = int(eval(input())) V = list(map(int,input().split())) a = [0]*10000000 b = [0]*10000000 v1=[] v2=[] if len(set(V)) == 1: print((n//2)) else: for i in range(n): if i%2 == 0: a[V[i]-1] += 1 v1.append(V[i]) else: b[V[i]-1] += 1 ...
n = int(eval(input())) V = list(map(int,input().split())) a = [0]*100000 b = [0]*100000 v1=[] v2=[] if len(set(V)) == 1: print((n//2)) else: for i in range(n): if i%2 == 0: a[V[i]-1] += 1 v1.append(V[i]) else: b[V[i]-1] += 1 v2.a...
p03244
n = int(eval(input())) V = list(map(int,input().split())) a = [0]*100000 b = [0]*100000 v1=[] v2=[] if len(set(V)) == 1: print((n//2)) else: for i in range(n): if i%2 == 0: a[V[i]-1] += 1 v1.append(V[i]) else: b[V[i]-1] += 1 v2.a...
from collections import Counter N = int(eval(input())) V = list(map(int,input().split())) zero = Counter(V[::2]).most_common() one = Counter(V[1::2]).most_common() if zero[0][0] != one[0][0]: print((N-zero[0][1]-one[0][1])) else: if len(zero) == 1 and len(one) == 1: print((N//2)) elif len(...
p03244
import collections n = int(eval(input())) v = list(map(int, input().split())) v_odd = [] v_even = [] for i, v in enumerate(v): if i % 2: v_even.append(v) else: v_odd.append(v) # Counterに入れて、valueの降順にソート v_odd_c = collections.Counter(v_odd) v_odd_c = sorted(list(v_odd_c.items(...
import collections n = int(eval(input())) v = list(map(int, input().split())) v_odd = [] v_even = [] for i, v in enumerate(v): if i % 2: v_even.append(v) else: v_odd.append(v) # Counterに入れて、valueの降順にソート v_odd_c = collections.Counter(v_odd) v_odd_c = sorted(list(v_odd_c.items(...
p03244
from collections import Counter N = int(eval(input())) a = list(map(int,input().split())) even = [[0,0]] + sorted([v,k] for k,v in list(Counter(a[1::2]).items())) odd = [[0,0]] + sorted([v,k] for k,v in list(Counter(a[0::2]).items())) if even[-1][1] != odd[-1][1]: print((N - even[-1][0] - odd[-1][0])) else...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) a = [v[i] for i in range(n) if i % 2] b = [v[i] for i in range(n) if i % 2 == 0] aa = Counter(a) bb = Counter(b) ans = 0 aas = sorted(list(aa.keys()), key=lambda key:aa[key], reverse=True) bbs = sorted(list(bb.keys()...
p03244
import collections def main(): n = int(eval(input())) v = list(map(int,input().split())) if len(set(v)) == 1: print((n//2)) elif len(set(v)) == 2: cnt1 = 0 cnt2 = 0 tmp1 = list(set(v)) tmp2 = [tmp1[1], tmp1[0]] # even = v[::2] # odd =...
import collections def main(): n = int(eval(input())) v = list(map(int,input().split())) even = v[::2] odd = v[1::2] count_e = collections.Counter(even) count_o = collections.Counter(odd) ce = count_e.most_common() co = count_o.most_common() if ce[0][0] != co[0][0]: ...
p03244
from collections import Counter n = int(eval(input())) array = list(map(int,input().split())) if len(set(array)) == 1: print((n//2)) exit() gu = [] ki = [] for i in range(n): if i % 2 == 0: gu.append(array[i]) else: ki.append(array[i]) gu_c = Counter(gu) ki_c = Counter(ki) ...
from collections import Counter n = int(eval(input())) array = list(map(int,input().split())) if len(set(array)) == 1: print((n//2)) exit() gu = [] ki = [] for i in range(n): if i % 2 == 0: gu.append(array[i]) else: ki.append(array[i]) gu_c = Counter(gu) ki_c = Counter(ki) ...
p03244
import collections N=int(eval(input())) V=list(map(int,input().split())) l=N//2 V_odd=[] V_eve=[] for i in range(N): if i%2==0: V_odd.append(V[i]) else: V_eve.append(V[i]) p_odd = list(collections.Counter(V_odd).most_common()) p_eve = list(collections.Counter(V_eve).most_common()) p_odd.appen...
import collections N=int(eval(input())) V=list(map(int,input().split())) l=N//2 V_odd=[] V_eve=[] for i in range(N): if i%2==0: V_odd.append(V[i]) else: V_eve.append(V[i]) p_odd = list(collections.Counter(V_odd).most_common()) p_eve = list(collections.Counter(V_eve).most_common()) p_odd.appen...
p03244
from collections import Counter n = int(eval(input())) v = list(map(int,input().split())) v1 = v[::2] v2 = v[1::2] v1_n = Counter(v1) v1_N =v1_n.most_common() v2_n = Counter(v2) v2_N = v2_n.most_common() if len(v1_N) == 1 and len(v2_N) == 1 and v1_N[0][0] == v2_N[0][0]: print((int(n/2))) elif len(([k[0...
from collections import Counter n = int(eval(input())) v = list(map(int,input().split())) v1 = v[::2] v2 = v[1::2] v1_N = Counter(v1).most_common() v2_N = Counter(v2).most_common() if len(v1_N) == 1 and len(v2_N) == 1 and v1_N[0][0] == v2_N[0][0]: print((int(n/2))) elif v1_N[0] == v2_N[0]: print((mi...
p03244
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) v1 = sorted(list(Counter(v[::2]).items()), key=lambda x: x[1], reverse=True) v2 = sorted(list(Counter(v[1::2]).items()), key=lambda x: x[1], reverse=True) v1.append((0, 0)) v2.append((0, 0)) if v1[0][0] != v2[0][0]: ...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) v1 = Counter(v[::2]).most_common() v2 = Counter(v[1::2]).most_common() v1.append((0, 0)) v2.append((0, 0)) if v1[0][0] != v2[0][0]: print((n - v1[0][1] - v2[0][1])) else: print((min(n - v1[0][1] - v2[1][1], n ...
p03244
N=int(eval(input())) *V,=list(map(int,input().split())) from collections import* C1=Counter(V[::2]) C1=sorted(list(C1.items()),key=lambda x:x[1]) C2=Counter(V[1::2]) C2=sorted(list(C2.items()),key=lambda x:x[1]) K1=C1[-1][0] V1=C1[-1][1] K2=C2[-1][0] V2=C2[-1][1] if V1>V2: if K1==K2: V2=C2[...
N=int(eval(input())) *V,=list(map(int,input().split())) from collections import* C1=Counter(V[::2]).most_common()+[(0,0)] C2=Counter(V[1::2]).most_common()+[(0,0)] K1=C1[0][0] V1=C1[0][1] K2=C2[0][0] V2=C2[0][1] if K1==K2: if V1>V2: V2=C2[1][1] elif V2>V1: V1=C[1][1] else: ...
p03244
n = int(eval(input())) vl = list(map(int,input().split())) v1 = vl[::2] v2 = vl[1::2] def count(a): d = dict() for i in a: if i not in d: d[i] = 1 else: d[i] += 1 l = [] for i in d: l.append([d[i],i]) l.append([0,0]) l.sort(reverse=1) return l v1 = count(v1) v...
n = int(eval(input())) vl = list(map(int,input().split())) v1 = vl[::2] v2 = vl[1::2] def count(a): d = dict() for i in a: if i not in d: d[i] = 1 else: d[i] += 1 l = [] for i in d: l.append([d[i],i]) l.append([0,0]) l.sort(reverse=1) return l v1 = count(v1) v...
p03244
from collections import Counter n = int(eval(input())) lst_v = list(map(int, input().split())) lst_o = lst_v[::2] lst_e = lst_v[1::2] cnt_o = Counter(lst_o).most_common() + [(0, 0)] cnt_e = Counter(lst_e).most_common() + [(0, 0)] if cnt_o[0][0] == cnt_e[0][0]: rem_number = max(cnt_o[0][1] + cnt_...
from collections import Counter n = int(eval(input())) ls = list(map(int, input().split())) ac = Counter(ls[::2]).most_common(2) bd = Counter(ls[1::2]).most_common(2) if ac[0][0] != bd[0][0]: print((n-ac[0][1]-bd[0][1])) else: if len(ac) == 1 or len(bd) == 1: print((n//2)) else: ...
p03244
import sys input = sys.stdin.readline from collections import Counter from operator import itemgetter def mpsort(m): ary = sorted([[k, v] for (k, v) in list(m.items())], key=itemgetter(1), reverse=True) if len(ary) == 1: return ary[0], [0, 0] return ary[0], ary[1] def main(): n = int(input().strip()...
import sys input = sys.stdin.readline from collections import Counter from operator import itemgetter def mpsort(m): ary = sorted([[k, v] for (k, v) in list(m.items())], key=itemgetter(1), reverse=True) if len(ary) == 1: return ary[0], [0, 0] return ary[0], ary[1] def main(): n = int(input().strip()...
p03244
#!/usr/bin/env python3 n = int(eval(input())) a = list(map(int,input().split())) cnt_odd = [0]*(10**5+1)# a[2k]での個数 cnt_even = [0]*(10**5+1) for i in range(n): if i %2: cnt_odd[a[i]] += 1 else: cnt_even[a[i]] += 1 odd,idx_odd=list(zip(*sorted(zip(cnt_odd,list(range(10**5+1)))))) even,idx_even=list(z...
n = int(eval(input())) v = list(map(int, input().split())) freq_odd = [0] * (10 ** 5 + 1) freq_even = [0] * (10 ** 5 + 1) for i in range(n // 2): freq_odd[v[2 * i]] += 1 freq_even[v[2 * i + 1]] += 1 # print(freq_odd[:10], freq_even[:10]) freq_even, id_even = list(zip(*sorted(zip(freq_even, list(range(10...
p03244
n=int(eval(input())) V=list(map(int,input().split())) from collections import Counter V_1=V[::2] V_2=V[1::2] V_1_counter=Counter(V_1).most_common() V_2_counter=Counter(V_2).most_common() c1 = V_1_counter c2 = V_2_counter if c1[0][0]!=c2[0][0]: print((n-c1[0][1]-c2[0][1])) if c1[0][0]==c2[0][0]: ...
N=int(eval(input())) V=list(map(int,input().split())) from collections import Counter V_1=V[::2] V_2=V[1::2] V_1_counter=Counter(V_1).most_common() V_2_counter=Counter(V_2).most_common() # print(V_1_counter,V_2_counter) V_1_max_1 = V_1_counter[0] V_1_max_2=(0,0) if len(V_1_counter)>1: V_1_max_2 = V...
p03244
N=int(eval(input())) lv=list(map(int,input().split())) dev={} dod={} #cev=0#devの種類数 #cod=0#dodの種類数 max1_ev=[0,0]#数字,個数 max2_ev=[0,0] max1_od=[0,0]#数字,個数 max2_od=[0,0] for i in range(N): if i%2==0:#even #max1_ev=[0,0]#数字,個数 #max2_ev=[0,0] #毎回初期化していた!! if lv[i] in de...
N=int(eval(input())) lv=list(map(int,input().split())) dev={} dod={} for i in range(N): if i%2==0:#even if lv[i] in dev: dev[lv[i]]+=1 else: dev[lv[i]]=1 else:#odd if lv[i] in dod: dod[lv[i]]+=1 else: dod[lv[i]]=1 m...
p03244
import collections N = int(eval(input())) V = [int(x) for x in input().split()] Va, Vb = [], [] for i in range(N): if i % 2 == 0: Va.append(V[i]) else: Vb.append(V[i]) Va_most = collections.Counter(Va).most_common() Vb_most = collections.Counter(Vb).most_common() if N == colle...
import itertools from collections import Counter N = int(eval(input())) V = [int(x) for x in input().split()] EV_cnt = Counter(V[::2]) OD_cnt = Counter(V[1::2]) EV_cnt[-1] = 0 OD_cnt[-2] = 0 EV = EV_cnt.most_common(2) OD = OD_cnt.most_common(2) ans = N for (k1,v1), (k2,v2) in itertools.product(EV,OD)...
p03244
import collections n = int(eval(input())) V = [int(i) for i in input().split()] E,O = [],[] E_cnt2,O_cnt2 = 0,0 for i in range(n): if i%2: E.append(V[i]) else: O.append(V[i]) e = collections.Counter(E) tmp = e.most_common() E_mode,E_cnt = tmp[0][0],tmp[0][1] if len(tmp)>=2: E_c...
import collections n = int(eval(input())) v = [int(i) for i in input().split()] kisu = [] gusu = [] kisu = v[::2] gusu = v[1::2] kisu_cnt = collections.Counter(kisu) gusu_cnt = collections.Counter(gusu) kisu_cnt = kisu_cnt.most_common(2)#引数にnを用意すると,出現回数の多い順にn子だけ呼び出せる gusu_cnt = gusu_cnt.most_common(2) ...
p03244
# coding: utf-8 # Your code here! n=int(eval(input())) v=[int(x) for x in input().split()] if len(set(v))==1: print((n//2)) import sys sys.exit() from collections import Counter v1=[] v2=[] for i in range(n): if i%2==0: v1.append(v[i]) else: v2.append(v[i]) v1=Counter...
# coding: utf-8 # Your code here! n=int(eval(input())) v=[int(x) for x in input().split()] if len(set(v))==1: print((n//2)) import sys sys.exit() from collections import Counter v1=[] v2=[] for i in range(n): if i%2==0: v1.append(v[i]) else: v2.append(v[i]) v1=Counter...
p03244
from collections import Counter n = int(input()) V = list(map(int, input().split())) Odd, Evn = [], [] for i in range(n): Evn.append(V[i]) if i%2 == 0 else Odd.append(V[i]) Evn = sorted( dict(Counter(Evn)).items(), key = lambda x:x[1]) Odd = sorted( dict(Counter(Odd)).items(), key = lambda x:x[1]) cnt =...
from collections import Counter n = int(input()) V = list(map(int, input().split())) Odd, Evn = [], [] for i in range(n): Evn.append(V[i]) if i%2 == 0 else Odd.append(V[i]) Evn = sorted( dict(Counter(Evn)).items(), key = lambda x:x[1], reverse=True) Odd = sorted( dict(Counter(Odd)).items(), key = lambda x:...
p03244
n = int(eval(input())) v = list(map(int,input().split())) v_odd = [] v_even = [] for i in range(n//2): v_odd.append(v[2*i]) v_even.append(v[2*i+1]) p1 = 0 p2 = 0 q1 = 0 q2 = 0 o_max = -1 e_max = -1 for i in range(n//2): a = v_odd[i] b = v_even[i] x = v_odd.count(a) y = v_even.co...
n = int(eval(input())) v = list(map(int,input().split())) v_odd = [] v_even = [] d_odd = {} d_even = {} o = [] e = [] for i in range(n//2): a = v[2*i] b = v[2*i+1] if a in d_odd: d_odd[a] += 1 else: d_odd[a] = 1 o.append(a) if b in d_even: d_even[b] +...
p03244
from collections import Counter from operator import itemgetter n = int(eval(input())) v = tuple(map(int, input().split())) evens = Counter(v[::2]) odds = Counter(v[1::2]) evens = list(sorted(list(evens.items()), key=itemgetter(1), reverse=True)) odds = list(sorted(list(odds.items()), key=itemgetter(1), re...
from collections import Counter from itertools import product NUM = 0 CNT = 1 n = int(eval(input())) v = tuple(map(int, input().split())) c_odd = Counter(v[1::2]) c_even = Counter(v[0::2]) odd_12 = c_odd.most_common()[:2] even_12 = c_even.most_common()[:2] # [(num, cnt),(num, cnt)] ans = n for o, ...
p03244
import sys sys.setrecursionlimit(10 ** 6) # input = sys.stdin.readline #### int1 = lambda x: int(x) - 1 def II(): return int(eval(input())) def MI(): return list(map(int, input().split())) def MI1(): return list(map(int1, input().split())) def LI(): return list(map(int, input().split())) def LI1(): retur...
import sys sys.setrecursionlimit(10 ** 6) # input = sys.stdin.readline #### int1 = lambda x: int(x) - 1 def II(): return int(eval(input())) def MI(): return list(map(int, input().split())) def MI1(): return list(map(int1, input().split())) def LI(): return list(map(int, input().split())) def LI1(): retur...
p03244
from collections import Counter from itertools import product N=int(eval(input())) V=list(map(int,input().split())) # 出現回数 O_cnt,E_cnt=Counter(V[::2]),Counter(V[1::2]) O_cnt[-1]=0 E_cnt[-2]=0 # 出現回数順 O_key,E_key=O_cnt.most_common(2),E_cnt.most_common(2) ans=float('inf') for O_k,E_k in product(O_key...
from collections import Counter N=int(eval(input())) V=list(map(int,input().split())) v1=V[::2] v2=V[1::2] cntV1,cntV2=Counter(v1),Counter(v2) cntV1,cntV2=cntV1.most_common(2),cntV2.most_common(2) cntV1.append((0,0)) cntV2.append((0,0)) if cntV1[0][0]!=cntV2[0][0]: ans=N-(cntV1[0][1]+cntV2[0][1]) ...
p03244
from collections import Counter n = int(eval(input())) v=list(map(int,input().split())) a=Counter(v[0::2]).most_common() b=Counter(v[1::2]).most_common() a.append([0,0]) b.append([0,0]) if a[0][0]!=b[0][0]: print((n-(a[0][1]+b[0][1]))) else: print((min(n-(a[1][1]+b[0][1]),n-(a[0][1]+b[1][1]))))
from collections import Counter def resolve(): N = int(eval(input())) A = list(map(int, input().split())) O = Counter(A[::2]) E = Counter(A[1::2]) most_O = O.most_common(2) most_E = E.most_common(2) # 番兵 most_O.append((0, 0)) most_E.append((0, 0)) cnt = 0 ...
p03244
# -*- coding: utf-8 -*- N = int(eval(input())) vN = list(map(int, input().split())) even = {} odd = {} # 奇数番目と偶数番目に分けて集計 for i in range(N): if i % 2 == 0: even[vN[i]] = even.get(vN[i], 0) + 1 else: odd[vN[i]] = odd.get(vN[i], 0) + 1 # 集計数の多い順ソート even_sorted = sorted(list(even.i...
# -*- coding: utf-8 -*- N = int(eval(input())) vN = list(map(int, input().split())) even = {} odd = {} # 奇数番目と偶数番目に分けて集計 for i in range(N): if i % 2 == 0: even[vN[i]] = even.get(vN[i], 0) + 1 else: odd[vN[i]] = odd.get(vN[i], 0) + 1 # 集計数の多い順ソート even_sorted = sorted(list(even.i...
p03244
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) v1, v2 = [], [] for i in range(n): if i%2: v1.append(v[i]) else: v2.append(v[i]) vv1 = Counter(v1).most_common() vv2 = Counter(v2).most_common() if vv1[0] != vv2[0]: print((n - vv1[0][1] - ...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) v1, v2 = v[::2], v[1::2] vv1 = Counter(v1).most_common() vv2 = Counter(v2).most_common() if len(set(v)) == 1: print((n//2)) elif vv1[0] != vv2[0]: print((n - vv1[0][1] - vv2[0][1])) else: print((n - max(v...
p03244
from collections import Counter N = int(eval(input())) V = list(map(int, input().split())) if len(set(V)) == 1: print((len(V)//2)) exit() V_odd = [i for i in V[::2]] V_even = [i for i in V[1::2]] V_odd_counter = Counter(V_odd) V_even_counter = Counter(V_even) vodd = V_odd_counter.most_common()...
from collections import Counter N = int(eval(input())) V = list(map(int, input().split())) if len(set(V)) == 1: print((len(V)//2)) exit() V_odd = [i for i in V[::2]] V_even = [i for i in V[1::2]] V_odd_counter = Counter(V_odd) V_even_counter = Counter(V_even) vodd = V_odd_counter.most_common()...
p03244
from collections import Counter N = int(eval(input())) V = list(map(int, input().split())) s1 = Counter(V).most_common(2)[0] s2 = Counter(V).most_common(2)[0] V1 = V[0::2] V2 = V[1::2] c1 = c2 = c3 = c4 = 0 Z1 = Counter(V1) Z2 = Counter(V2) x1, c1 = Z1.most_common(1)[0] x2, c2 = Z2.most_common(1)[0] if ...
# coding: utf-8 import sys from collections import Counter sr = lambda: sys.stdin.readline().rstrip() ir = lambda: int(sr()) lr = lambda: list(map(int, sr().split())) # 奇数番目の最頻値と偶数番目の最頻値が同じ時に注意 N = ir() V = lr() odd = V[::2] even = V[1::2] cnt_odd = Counter(odd) cnt_even = Counter(even) cnt_odd_most = ...
p03244
from bisect import bisect_left as bl from bisect import bisect_right as br n = int(eval(input())) v = list(map(int, input().split())) ev = [] od = [] for i in range(n): if i % 2 == 0: ev.append(v[i]) else: od.append(v[i]) ev.sort() od.sort() m = 0 oo = [[0, 0]] ii = [[0, 0]] whil...
n = int(eval(input())) v = list(map(int, input().split())) ev = [0]*(max(v)+1) od = [0]*(max(v)+1) for i in range(n): if i % 2 == 0: ev[v[i]-1] += 1 else: od[v[i] - 1] += 1 e = sorted(ev) o = sorted(od) if ev.index(e[-1]) == od.index(o[-1]) and e[-2] != e[-1] and o[-2] != o[-1]: ...
p03244
from collections import Counter N = int(eval(input())) a = list(map(int,input().split())) E = [] O = [] for k in range(N): if k%2 == 0: E.append(a[k]) else: O.append(a[k]) e = Counter(E).most_common() o = Counter(O).most_common() if e[0][0] != o[0][0]: print((N-e[0][1]-o[0][1]...
from collections import Counter n = int(eval(input())) a = list(map(int,input().split())) e = [a[k] for k in range(0,n,2)] o = [a[k] for k in range(1,n,2)] C = Counter(e).most_common() D = Counter(o).most_common() if C[0][0] != D[0][0]: print((n-C[0][1]-D[0][1])) else: if len(C) == len(D) == 1: ...
p03244
n = int(eval(input())) li = list(map(int,input().split())) li2 = li[::2] li3 = li[1::2] max2,max22,max3,max33 = [0,0,0,0] for i in li2: a = li2.count(i) if a > max2: max22 = max2 max2 = a b = i elif a > max22 and i != b: max22 = a for i in li3: a = li3...
n = int(eval(input())) v = list(map(int,input().split())) cnt1 = {} cnt2 = {} for i in range(n): if i % 2 == 0: if v[i] in cnt1: cnt1[v[i]] += 1 else: cnt1[v[i]] = 1 else: if v[i] in cnt2: cnt2[v[i]] += 1 else: cnt...
p03244
N=int(eval(input())) *V,=list(map(int,input().split())) import collections import collections c1=collections.Counter(V[0::2]) c1=sorted(list(c1.items()), key=lambda x: x[1], reverse=True) e=c1[0][0] c2=collections.Counter(V[1::2]) c2=sorted(list(c2.items()), key=lambda x: x[1], reverse=True) o=c2[0][0] ...
N=int(eval(input())) *V,=list(map(int,input().split())) import collections c1=collections.Counter(V[0::2]).most_common() c2=collections.Counter(V[1::2]).most_common() c1.append([0,0]) c2.append([0,0]) if c1[0][0]!=c2[0][0]: print((N-c1[0][1]-c2[0][1])) else: print((min(N-c1[0][1]-c2[1][1],N-c1[1][1]...
p03244
import sys from collections import Counter readline = sys.stdin.readline readlines = sys.stdin.readlines ns = lambda: readline().rstrip() # input string ni = lambda: int(readline().rstrip()) # input int nm = lambda: list(map(int, readline().split())) # input multiple int nl = lambda: list(map(int, readline()....
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) odd = Counter(v[0::2]) even = Counter(v[1::2]) odd["$"] = 0 even["#"] = 0 ans = 0 if odd.most_common()[0][0] == even.most_common()[0][0]: if odd.most_common()[1][1] > even.most_common()[1][1]: ans = n - od...
p03244
import collections def main(): n = int(eval(input())) *v, = list(map(int, input().split())) v0 = count(v[::2]) v1 = count(v[1::2]) if len(v0) == 1 and len(v1) == 1: if v0[0][0] == v1[0][0]: print((n // 2)) else: print((0)) return ...
import collections def main(): n = int(eval(input())) *v, = list(map(int, input().split())) v0 = count(v[::2]) v1 = count(v[1::2]) if len(v0) == 1 and len(v1) == 1: if v0[0][0] == v1[0][0]: print((n // 2)) else: print((0)) return ...
p03244
import math,fractions from collections import Counter n = int(eval(input())) v = [int(i) for i in input().split()] a = [v[i] for i in range(n) if i%2] b = [v[i] for i in range(n) if i%2==0] cnt_a = Counter(a) cnt_b = Counter(b) max_a = cnt_a.most_common()[0][1] max_b = cnt_b.most_common()[0][1] str_a = cnt_...
import math,fractions from collections import Counter n = int(eval(input())) v = [int(i) for i in input().split()] a = Counter(v[1::2]).most_common() b = Counter(v[0::2]).most_common() a.append((0,0)) b.append((0,0)) if a[0][0] != b[0][0]: print((n//2 - a[0][1] + n//2 - b[0][1])) else: tmp_x = n//2...
p03244
import collections as coll n = int(eval(input())) v = list(map(int,input().split())) even = [] odd = [] for i in range(n): if i % 2 == 0: even.append(v[i]) else: odd.append(v[i]) oddc = coll.Counter(odd).most_common()[:2] evenc = coll.Counter(even).most_common()[:2] if(len(oddc) == 1): oddc....
import collections as coll n = int(eval(input())) v = list(map(int,input().split())) even = v[0::2] odd = v[1::2] oddc = coll.Counter(odd).most_common()[:2] evenc = coll.Counter(even).most_common()[:2] if(len(oddc) == 1): oddc.append((0,0)) if(len(evenc) == 1): evenc.append((0,0)) if(oddc[0][0] !...
p03244
import itertools from collections import Counter N = int(eval(input())) V = [int(x) for x in input().split()] EV_counter = Counter(V[::2]) OD_counter = Counter(V[1::2]) # 1種類しかないとき対策 EV_counter[-1] = 0 OD_counter[-2] = 0 # 上位2種しか使う必要がない EV = EV_counter.most_common(2) OD = OD_counter.most_common(2) a...
from collections import Counter n=int(eval(input())) v=list(map(int,input().split())) a=Counter(v[0::2]).most_common() b=Counter(v[1::2]).most_common() a.append([0,0]) b.append([0,0]) if a[0][0]!=b[0][0]: print((n-(a[0][1]+b[0][1]))) else: print((min(n-(a[1][1]+b[0][1]),n-(a[0][1]+b[1][1]))))
p03244
# -*- coding: utf-8 -*- from collections import defaultdict from operator import itemgetter def solve(): n = int(eval(input())) V = list(map(int, input().split())) l = defaultdict(int) u = defaultdict(int) for i in range(0,n,2): l[V[i]] += 1 u[V[i+1]] += 1 l = sorted...
# -*- coding: utf-8 -*- from collections import Counter from operator import itemgetter def solve(): eval(input()) V = list(map(int, input().split())) l = sorted(list(Counter(V[::2]).items())+[(0,0)], key=itemgetter(1), reverse=True) u = sorted(list(Counter(V[1::2]).items())+[(0,0)], key=itemgett...
p03244
import itertools import math import fractions import functools import copy n = int(eval(input())) v = list(map(int, input().split())) kisu = [0]*(10**6) gusu = [0]*(10**6) for i in range(n): if i % 2 == 0: gusu[v[i]] += 1 else: kisu[v[i]] += 1 count = 0 gusu_m = gusu.index(m...
n = int(eval(input())) v = list(map(int, input().split())) kisu = [0]*(10**6) gusu = [0]*(10**6) for i in range(n): if i % 2 == 0: gusu[v[i]] += 1 else: kisu[v[i]] += 1 count = 0 gusu_m = gusu.index(max(gusu)) kisu_m = kisu.index(max(kisu)) if gusu_m == kisu_m: gusu[gu...
p03244
n = int(eval(input())) v = list(map(int, input().split())) kisu = [0]*(10**6) gusu = [0]*(10**6) for i in range(n): if i % 2 == 0: gusu[v[i]] += 1 else: kisu[v[i]] += 1 count = 0 gusu_m = gusu.index(max(gusu)) kisu_m = kisu.index(max(kisu)) if gusu_m == kisu_m: gusu[gu...
def main(): n = int(eval(input())) # n, k = map(int, input().split()) v = list(map(int, input().split())) # s = input() even = [0] * (10 ** 5 + 100) odd = [0] * (10 ** 5 + 100) for i in range(n): if i % 2 == 0: even[v[i]] += 1 else: odd[...
p03244
from collections import Counter import heapq N = int(eval(input())) Vs = list(map(int,input().split())) if len(set(Vs)) == 1: print((N//2)) exit() Veve, Vodd = [],[] idx = 0 for v in Vs: if idx%2 == 0: Veve.append(v) else: Vodd.append(v) idx += 1 Veve_cnt, Vodd_cnt = [], [] [heapq.heappu...
N = int(eval(input())) V = list(map(int, input().split())) even_idx_cnt = {} odd_idx_cnt = {} for idx, v in enumerate(V): if idx % 2 == 0: if v not in even_idx_cnt: even_idx_cnt[v] = 0 even_idx_cnt[v] += 1 else: if v not in odd_idx_cnt: odd_idx_cnt[v]...
p03244
N = int(eval(input())) V = list(map(int,input().split())) from collections import Counter def get_counter(X): counter = Counter(X) X = sorted(list(counter.items()), key = lambda x:x[1], reverse = True) X.append((0,0)) return X V1 = get_counter(V[::2]) V2 = get_counter(V[1::2]) if V1[0][0] != V...
N = int(eval(input())) V = list(map(int,input().split())) from collections import Counter def get_counter(X): counter = Counter(X) X = counter.most_common() X.append((0,0)) return X V1 = get_counter(V[::2]) V2 = get_counter(V[1::2]) if V1[0][0] != V2[0][0]: print((N - (V1[0][1] + V2[0][1]))...
p03244
from collections import* n,*v=list(map(int,open(0).read().split())) a,b=[Counter(i).most_common()+[(0,0)]for i in(v[::2],v[1::2])] i,j=a[0][1],b[0][1] print((min(n-i-b[1][1],n-a[1][1]-j)*(a[0][0]==b[0][0])or n-i-j))
from collections import*;n,*v=list(map(int,open(0).read().split()));a,b=[Counter(v[i::2]).most_common()+[(0,0)]for i in(0,1)];i,x=a[0];j,y=b[0];print((n-[x+y,max(x+b[1][1],y+a[1][1])][i==j]))
p03244
import collections import itertools n = int(eval(input())) v = list(map(int,input().split())) #n = len(v) c = collections.Counter(v).most_common() if len(c) == 1: print((n//2)) exit() values, counts = list(zip(*c)) k = sorted(list(set(counts)),reverse=True)[:2] pairs = [] for vcnt in c: val = v...
from collections import Counter n = int(eval(input())) v = list(map(int,input().split())) o = Counter(v[::2]).most_common() o.append((0,0)) e = Counter(v[1::2]).most_common() e.append((0,0)) if o[0][0] == e[0][0]: ans = min(n - o[0][1] - e[1][1], n - o[1][1] - e[0][1]) else: ans = n - o[0][1] - e[0][1...
p03244
import sys sys.setrecursionlimit(10**8) def ii(): return int(sys.stdin.readline()) def mi(): return list(map(int, sys.stdin.readline().split())) def li(): return list(map(int, sys.stdin.readline().split())) def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)] def dp2(ini, i, j): ret...
import sys sys.setrecursionlimit(10**8) def ii(): return int(sys.stdin.readline()) def mi(): return list(map(int, sys.stdin.readline().split())) def li(): return list(map(int, sys.stdin.readline().split())) def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)] def dp2(ini, i, j): ret...
p03244
from collections import Counter n = int(eval(input())) V = list(map(int,input().split())) E = [] O = [] for i,v in enumerate(V): if i%2==0: O.append(v) else: E.append(v) cO = Counter(O).most_common(); cO.append((-1,0)) cE = Counter(E).most_common(); cE.append((-1,0)) if cO[0][0]==c...
from collections import Counter n = int(eval(input())) V = list(map(int,input().split())) cv1 = Counter(V[::2]).most_common() cv2 = Counter(V[1::2]).most_common() cv1.append((-1,0)); cv2.append((-1,0)) if cv1[0][0] != cv2[0][0]: print((n-cv1[0][1]-cv2[0][1])) else: print((min(n-cv1[1][1]-cv2[0][1], n-c...
p03244
from collections import Counter N = int(eval(input())) V = list(map(int,input().split())) c1 = Counter(V[::2]) c2 = Counter(V[1::2]) m1 = c1.most_common() m2 = c2.most_common() t2 = N//2 t1 = N - t2 if len(m1) == len(m2) == 1: print((N//2 if m1[0][0] == m2[0][0] else 0)) elif len(m1) == 1: if m1...
from collections import Counter N = int(eval(input())) V = list(map(int,input().split())) c1 = Counter(V[::2]) c2 = Counter(V[1::2]) n1 = N//2 + N%2 n2 = N//2 if len(c1)==1 and len(c2)==1: if V[0]==V[1]: print(n2) else: print((0)) elif len(c1)==1: mc = c2.most_common() if...
p03244
import collections n = int(eval(input())) v = list(map(int, input().split())) a = v[::2] b = v[1::2] ac = collections.Counter(a) bc = collections.Counter(b) ac = sorted(list(ac.items()), key=lambda x: x[1], reverse=True) bc = sorted(list(bc.items()), key=lambda x: x[1], reverse=True) if ac[0][0] == bc[0][0]:...
import collections n = int(eval(input())) v = list(map(int, input().split())) a = v[::2] b = v[1::2] ac = collections.Counter(a).most_common(2) bc = collections.Counter(b).most_common(2) if ac[0][0] != bc[0][0]: print((n - ac[0][1] - bc[0][1])) else: if len(ac) == 1: print((n // 2)) el...
p03244
#python3 from collections import Counter n = int(eval(input())) a = list(map(int, input().split())) odd = [a[i] for i in range(n) if i%2==0] even = [a[i] for i in range(n) if i%2!=0] cntOdd = Counter(odd).most_common(2) cntEven = Counter(even).most_common(2) if cntOdd[0][0] != cntEven[0][0]: pri...
import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines from collections import Counter from collections import defaultdict def main(): n = int(readline()) a = [int(i) for i in readline().split()] odd = Counter(a[::2]).most_common(2) ...
p03244
from collections import Counter n = int(eval(input())) *v, = list(map(int, input().split())) odds = v[1::2] evens = v[::2] o = Counter(odds) e = Counter(evens) omx, *ol = sorted(list(o.items()), reverse=True, key=lambda x: x[1]) emx, *el = sorted(list(e.items()), reverse=True, key=lambda x: x[1]) if omx[0]...
from collections import Counter from itertools import product n = int(eval(input())) *v, = list(map(int, input().split())) o = Counter(v[1::2]) e = Counter(v[::2]) o[0] = 0 e[0] = 0 o_ls = o.most_common(2) e_ls = e.most_common(2) ans = n for (k1, v1), (k2, v2) in product(o_ls, e_ls): if k1 == k2: ...
p03244
from collections import * N = int(eval(input())) v_list = input().split() if len(set(v_list)) == 1: print((len(v_list) // 2)) exit() v1_list = v_list[::2] v2_list = v_list[1::2] v1_count_list = Counter(v1_list).most_common() v2_count_list = Counter(v2_list).most_common() if v1_count_list[0][...
from collections import * N = int(eval(input())) v_list = input().split() if len(set(v_list)) == 1: print((len(v_list) // 2)) exit() v1_count_list = Counter(v_list[::2]).most_common() v2_count_list = Counter(v_list[1::2]).most_common() if v1_count_list[0][0] != v2_count_list[0][0]: leave_va...
p03244
from collections import * N = int(eval(input())) v_list = input().split() if len(set(v_list)) == 1: print((len(v_list) // 2)) exit() v1_count_list = Counter(v_list[::2]).most_common() v2_count_list = Counter(v_list[1::2]).most_common() if v1_count_list[0][0] != v2_count_list[0][0]: leave_va...
from collections import * N = eval(input()) v_list = input().split() if len(set(v_list)) == 1: print((len(v_list) // 2)) exit() v1_count_list = Counter(v_list[::2]).most_common(2) v2_count_list = Counter(v_list[1::2]).most_common(2) if v1_count_list[0][0] != v2_count_list[0][0]: leave_value...
p03244
def main(): n, *v = list(map(int, open(0).read().split())) be = [0] * int(1e5) bo = [0] * int(1e5) for e, o in zip(*[iter(v)] * 2): be[e - 1] += 1 bo[o - 1] += 1 if be.index(max(be)) == bo.index(max(bo)): ve = max(be) vo = max(bo) be[be.index(ve)] = ...
def main(): n, *v = list(map(int, open(0).read().split())) be = [0] * int(1e5) bo = [0] * int(1e5) for e, o in zip(*[iter(v)] * 2): be[e - 1] += 1 bo[o - 1] += 1 ve = max(be) vo = max(bo) ke = be.index(ve) ko = bo.index(vo) if ke == ko: be[ke] = 0 ...
p03244
from collections import Counter n = int(eval(input())) s = list(map(int, input().split())) evenL = [] oddL = [] for i, v in enumerate(s): if i % 2 == 0: evenL.append(v) else: oddL.append(v) evenLc = Counter(evenL) oddLc = Counter(oddL) evenLcs = sorted(list(evenLc.items()), key=lambda x:...
from collections import Counter as C n = int(eval(input())) V = list(input().split()) V1 = C(V[::2]).most_common() V2 = C(V[1::2]).most_common() if V1[0][0] != V2[0][0]: ans = n - (V1[0][1] + V2[0][1]) else: l = V1[0][1] + V2[1][1] if len(V2) > 1 else V1[0][1] r = V1[1][1] + V2[0][1] if len(V1) > 1 e...
p03244
n = int(eval(input())) V = list(map(int, input().split())) E = {} O = {} n = 1 for i, v in enumerate(V): if n: if v in list(E.keys()): E[v] += 1 else: E[v] = 1 else: if v in list(O.keys()): O[v] += 1 else: O[v] = 1 ...
n = int(eval(input())) V = list(map(int, input().split())) E = {} O = {} now = 1 for i, v in enumerate(V): if now: if v in list(E.keys()): E[v] += 1 else: E[v] = 1 else: if v in list(O.keys()): O[v] += 1 else: O[v] = ...
p03244
import collections N = int(eval(input())) V = [int(_) for _ in input().split()] def calc(vs): r = dict(collections.Counter(vs)) r[0] = 0 ri = list(r.items()) return sorted(ri, key=lambda x:-x[1]) ve = calc(V[::2]) vo = calc(V[1::2]) result = 0 if ve[0][0] != vo[0][0]: result = ...
import collections N = int(eval(input())) V = [int(_) for _ in input().split()] def calc(vs): cs = collections.Counter(vs) cs[0] = 0 return cs.most_common() ve = calc(V[::2]) vo = calc(V[1::2]) result = 0 if ve[0][0] != vo[0][0]: result = N - ve[0][1] - vo[0][1] else: result =...
p03244
import sys def input(): return sys.stdin.readline().rstrip() from collections import Counter from operator import itemgetter def main(): n=int(eval(input())) V=[int(_) for _ in input().split()] even=V[0::2] odd=V[1::2] even_c=Counter(even) odd_c=Counter(odd) even_ci,odd_ci=list(ev...
import sys def input(): return sys.stdin.readline().rstrip() from collections import Counter from operator import itemgetter def main(): n=int(eval(input())) V=[int(_) for _ in input().split()] even,odd=V[0::2],V[1::2] even_c,odd_c=Counter(even),Counter(odd) even_ci,odd_ci=list(even_c.items...
p03244
import collections n = int(eval(input())) v = list(map(int, input().split())) even_odd_length = n / 2 replace_total = 0 list_odd = v[0::2] list_even = v[1::2] dict_c_odd = dict(collections.Counter(list_odd)) dict_c_even = dict(collections.Counter(list_even)) dict_c_even_bk = dict_c_even.copy() dict_c_od...
import collections n = int(eval(input())) v = list(map(int, input().split())) even_odd_length = n / 2 replace_total = 0 list_odd = v[0::2] list_even = v[1::2] dict_c_odd = dict(collections.Counter(list_odd)) dict_c_even = dict(collections.Counter(list_even)) dict_c_even_bk = dict_c_even.copy() replace...
p03244
from collections import Counter n=int(eval(input())) l=list(map(int,input().split())) f=l[0::2] s=l[1::2] ans=[] if len(list(Counter(l).values())) == 1: ans.append(len(f)) elif len(list(Counter(f).values())) == len(list(Counter(s).values())) == 1: ans.append(0) else: for fk,fv in list(Counter(f).items(...
from collections import Counter n=int(eval(input())) l=list(map(int,input().split())) f=l[0::2] s=l[1::2] fn=sorted(list(Counter(f).items()),key=lambda x:x[1],reverse=True) + [(0, 0)] sn=sorted(list(Counter(s).items()),key=lambda x:x[1],reverse=True) + [(0, 0)] if fn[0][0]!=sn[0][0]: ans=n-fn[0][1]-sn[0][1] ...
p03244
n = int(eval(input())) v = list(map(int, input().split())) va, ve = v[0::2], v[1::2] add, even = va[0], ve[0] for a in set(va): add = a if va.count(add) < va.count(a) else add for e in set(ve): even = e if ve.count(even) < ve.count(e) else even print((len(v)-va.count(add)-ve.count(even) if add!=even els...
n = int(eval(input())) v = list(map(int, input().split())) va, ve = v[0::2], v[1::2] da, de = {}, {} for a in va: da[a] = da.get(a, 0)+1 for e in ve: de[e] = de.get(e, 0)+1 add = sorted([(k,v) for k,v in list(da.items())], key=lambda x:-x[1])+[(0,0)] even = sorted([(k,v) for k,v in list(de.items())], key...
p03244
from collections import Counter iN = int(eval(input())) aV = [int(_) for _ in input().split()] oV0 = Counter(aV[0::2]).most_common(2) oV1 = Counter(aV[1::2]).most_common(2) oV0 += [(0,0)] oV1 += [(0,0)] if oV0[0][0] != oV1[0][0] : print((iN - oV0[0][1] - oV1[0][1])) else: print((iN - max(oV0[0][...
from collections import Counter def fParse(iN,aV): oV0 = Counter(aV[0::2]).most_common(2) oV1 = Counter(aV[1::2]).most_common(2) oV0 += [(0,0)] oV1 += [(0,0)] if oV0[0][0] != oV1[0][0] : return iN - oV0[0][1] - oV1[0][1] else: return iN - max(oV0[0][1],oV1[0][1]) - m...
p03244
N = int(eval(input())) V = list(map(int,input().split())) even = [0]*(10**5+10) odd = [0]*(10**5+10) for v in V[::2]: odd[v] += 1 for v in V[1::2]: even[v] += 1 omax = max(odd) emax = max(even) if(even.index(emax) != odd.index(omax)): print((N - emax - omax)) else: even.sort() odd.sort() prin...
def ans(): N = int(eval(input())) V = list(map(int,input().split())) even = [0]*100001 odd = [0]*100001 for v in V[1::2]: even[v] += 1 for v in V[::2]: odd[v] += 1 me = max(even) mo = max(odd) if(even.index(me) != odd.index(mo)): print((N - me - mo)) else: even.sort() ...
p03244
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) v_former = sorted([(v, k) for k, v in list(Counter(v[::2]).items())], reverse=True) + [(0, 0)] v_latter = sorted([(v, k) for k, v in list(Counter(v[1::2]).items())], reverse=True) + [(0, 0)] if v_former[0][1] != v_latter...
from collections import Counter n = int(eval(input())) v = list(map(int, input().split())) v_former = Counter(v[::2]).most_common() + [(0, 0)] v_latter = Counter(v[1::2]).most_common() + [(0, 0)] if v_former[0][0] != v_latter[0][0]: print((n - v_former[0][1] - v_latter[0][1])) else: print((n - max(v...
p03244
''' 問題文 数列 a1,a2,...,anが以下の条件を満たすとき、 /\/\/\/ と呼ぶことにします。 ・各 i=1,2,...,n−2について、ai=ai+2 ・数列に現れる数はちょうど 2種類 偶数長の数列 v1,v2,...,vnが与えられます。 要素をいくつか書き換えることでこの数列を /\/\/\/ にしたいです。 書き換える要素の数は最小でいくつになるか求めてください。 制約 2≤n≤105 nは偶数 1≤vi≤105 viは整数 ''' n=int(eval(input())) v=input().split() vodd=[] veven=[] for i i...
n=int(eval(input())) v=list(map(int,input().split())) vodd={-1:0} veven={-1:0} for i,vi in enumerate(v): if i%2: if(vi in veven): veven[vi]+=1 else: veven[vi]=1 else: if(vi in vodd): vodd[vi]+=1 else: vodd[vi]=1 veven...
p03244
from collections import Counter n = int(eval(input())) lst_v = list(map(int, input().split())) if len(set(lst_v)) == 1: ans = n // 2 else: lst_odd = lst_v[::2] lst_even = lst_v[1::2] cnt_odd = sorted(list(Counter(lst_odd).items()), key=lambda x: -x[1]) cnt_even = sorted(list(Counter...
# C import collections n = int(eval(input())) lst = list(map(int, input().split())) lst1 = lst[::2] lst2 = lst[1::2] dct1 = sorted(list(dict(collections.Counter(lst1)).items()), key=lambda x:-x[1]) dct2 = sorted(list(dict(collections.Counter(lst2)).items()), key=lambda x:-x[1]) ans = 0 if (len(dct1) == 1 a...
p03244
from collections import Counter n=int(eval(input())) V=list(map(int,input().split())) V_1=[(0,0)]+sorted(list(Counter([V[i] for i in range(n) if i%2==0]).items()), key=lambda x:x[1]) V_2=[(0,0)]+sorted(list(Counter([V[j] for j in range(n) if j%2==1]).items()), key=lambda x:x[1]) a,b=V_1[-1][0],V_2[-1][0] if...
from collections import Counter n=int(eval(input())) V=list(map(int,input().split())) even=[(0,0)]+sorted(list(Counter(V[::2]).items()), key=lambda x:x[1]) odd=[(0,0)]+sorted(list(Counter(V[1::2]).items()), key=lambda x:x[1]) if even[-1][0]==odd[-1][0]: if even[-2][1]>odd[-2][1]:even=even[-2][0];odd=odd[-...
p03244
from collections import Counter n = eval(input()) V = list(map(int, input().split(" "))) v1 = V[0::2] v2 = V[1::2] f1 = Counter(v1).most_common(2) f2 = Counter(v2).most_common(2) ans = 0 if len(set(v1)) == len(set(v2)) == 1: if v1 == v2: ans = min(len(v1), len(v2)) else: if f1[0][0] ...
from collections import Counter n = eval(input()) V = list(map(int, input().split(" "))) """ 9 1 1 1 1 2 2 2 4 1 1 1 1 3 3 4 4 """ #V = [1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 3, 2, 4, 4, 4] v1 = V[0::2] v2 = V[1::2] f1 = Counter(v1).most_common(2) f2 = Counter(v2).most_common(2) ans = 0 if len(set...
p03244
from collections import Counter n = int(eval(input())) v = [int(x) for x in input().split()] odd = sorted(list(Counter(v[0:n:2]).items()), reverse=True, key=lambda x: x[1]) even = sorted(list(Counter(v[1:n+1:2]).items()), reverse=True, key=lambda x: x[1]) if odd[0][0] != even[0][0]: res = n - odd[0][1] ...
from collections import Counter n = int(eval(input())) v = [int(x) for x in input().split()] v1 = Counter(v[0::2]).most_common() + [(0, 0)] v2 = Counter(v[1::2]).most_common() + [(0, 0)] if v1[0] != v2[0]: res = n - v1[0][1] - v2[0][1] else: res = min(n - v1[0][1] - v2[1][1], n - v1[1][1] - v2[0][...
p03244
from collections import Counter n = int(eval(input())) v_tmp = input().split() v = [int(_) for _ in v_tmp] v_count = Counter(v_tmp) # print(v_count) if len(v_count) == 1: print((n//2)) else: # print("hoge") v_keys = list(v_count.keys()) tmps = [] # print(v_keys) for _ in v_keys: ...
from collections import Counter n = int(eval(input())) v = [int(_) for _ in input().split()] v1 = [] v2 = [] for i in range(n): if i % 2 == 0: v1.append(v[i]) else: v2.append(v[i]) v_count = Counter(v) v1_count = Counter(v1) v2_count = Counter(v2) # print("v1_count", v1_count) # pr...
p03244