problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p02791
s415175231
Accepted
N=int(input()) List=list(map(int,input().split())) counter=0 mj=N for i in range(N): if mj>List[i]: mj=List[i] if List[i]==mj: counter+=1 print(counter)
p02714
s147796334
Accepted
N = int(input()) S = input() r = 0 g = 0 b = 0 for s in S: if s == "R": r += 1 if s == "G": g += 1 if s == "B": b += 1 res = r * g * b for i in range(N): for j in range(i + 1, N): if S[i] != S[j]: if j * 2 - i < N: if S[j * 2 - i] != S[i] and S[j * 2 - i] != S[j]: res -= 1 print(res)
p03416
s925371084
Accepted
a, b = map(int, input().split()) cnt = 0 for i in range(a, b+1): si = str(i) if si[0] == si[4] and si[1] == si[3]: cnt += 1 print(cnt)
p03835
s138716217
Accepted
k, s = map(int, input().split()) ans = 0 for i in range(k+1): for j in range(k+1): z = (s - i - j) if 0<= z <= k: ans += 1 print(ans)
p03137
s516078481
Accepted
N, M = map(int, input().split()) X = list(map(int, input().split())) if N >= M: print(0) exit() X = sorted(X) # print(X) d = [X[i + 1] - X[i] for i in range(len(X) - 1)] d = sorted(d) # print('d', d) if N == 1: print(sum(d)) else: print(sum(d[:-N + 1]))
p03433
s202956594
Accepted
try: N = int(input()) A = int(input()) if N%500!=0: mod = N%500 print('Yes' if A>mod else 'No') else: print('Yes') except EOFError: pass
p03759
s629289968
Wrong Answer
a, b, c = map(int,input().split()) print("YES" if abs(b-a) == abs(c-b) else "NO")
p03998
s085217940
Accepted
A = input() B = input() C = input() check = A[0] A = A[1:] while True: if check == "a": if len(A) == 0: print("A") exit() check = A[0] A = A[1:] elif check == "b": if len(B) == 0: print("B") exit() check = B[0] B = B[1:] elif check == "c": if len(C) == 0: print("C") exit() check = C[0] C = C[1:]
p03254
s165507117
Accepted
n,x=map(int,input().split()) a=sorted(list(map(int,input().split()))) ans=0 for i in range(n): if x>=a[i]: ans+=1 x-=a[i] else: break if ans == n: if x!=0: ans-=1 print(ans)
p02744
s520660429
Wrong Answer
n = int(input()) arr= ['a','b','c','d','e','f','g','h','i','j'] def f(x, s): if x == n: print(s) return for i in range(n): f(x+1, s+arr[i]) if s+arr[i] == "".join(arr[:i+1]): break f(0, "")
p03417
s266164828
Accepted
n, m = map(int, input().split()) if n > 1 and m > 1: ans = n * m - 2 * (n + m) + 4 elif n > 1: ans = n - 2 elif m > 1: ans = m - 2 else: ans = 1 print(ans)
p04012
s067636602
Wrong Answer
import sys def input(): return sys.stdin.readline().strip() def resolve(): w=list(input()) w.sort() if len(w)%2!=0: print('No') else: for i in range(0,len(w)-2,2): if w[i]!=w[i+1]: print('No') break print('Yes') resolve()
p03817
s986726883
Wrong Answer
x = int(input()) if x / 11 < 1: ans = 1 if x / 5 >= 1: ans = 2 else: ans = x // 11 * 2 + 1 print(ans)
p02661
s704275819
Accepted
n = int(input()) A, B = [0] * n, [0] * n for i in range(n): A[i],B[i] = map(int, input().split()) A.sort() B.sort() ans = 0 if n % 2 == 1: ans = B[n // 2] - A[n // 2] + 1 else: large = B[n // 2] + B[n // 2 - 1] small = A[n // 2] + A[n // 2 - 1] ans = large - small + 1 print(ans)
p02682
s271993959
Accepted
a, b, c, k = list(map(int, input().split())) print(min(a, k) - max((k - (a + b), 0)))
p03611
s173660746
Wrong Answer
import sys input = sys.stdin.readline def main(): n = int(input()) a = list(map(int, input().split())) l = [0]*(10**5 + 10) for i in set(a): for j in a: if j - 1 <= i <= j + 1: l[j] += 1 print(max(l)) main()
p03493
s155968575
Accepted
s = input() cnt = 0 for i in range(3): if(s[i] == "1"): cnt += 1 print(cnt)
p03760
s451360276
Accepted
def solve(): o = input() e = input() try: for i in range(max(len(o), len(e))): print(o[i], end='') print(e[i], end='') except: pass if __name__ == "__main__": solve()
p02801
s331128875
Wrong Answer
# -*- coding: utf-8 -*- import sys def main(): alist = [ "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", ] for s in sys.stdin: i = 0 for a in alist: if s == a: print(alist[i+1]) i += 1 if __name__ == '__main__': main()
p02647
s895276221
Wrong Answer
n,k=map(int,input().split()) d_ls=[int(z) for z in input().split()] b=[0]*n for kk in range(k): for i,d in enumerate(d_ls): i_front=i+d+0.5 i_back=i-d-0.5 for ii,dd in enumerate(d_ls): if i_front>=ii>=i_back: b[ii]+=1 for iii,bbb in enumerate(b): d_ls[iii]=bbb bl=[str(a) for a in b] bl=" ".join(bl) print(bl)
p03721
s332925911
Accepted
N,K = map(int,input().split()) List=[list(map(int,input().split())) for i in range(N)] List.sort() cnt = 0 for i in range(len(List)): cnt = cnt + List[i][1] if cnt >= K: ans = List[i][0] break print(ans)
p03607
s415059507
Wrong Answer
n = int(input()) ls = [] for i in range(n): a = int(input()) ls.append(a) ls.sort() ans = 0 k = -1 count = 0 for i in range(n): if ls[i] != k: if count % 2 == 1: ans += 1 count = 1 k = ls[i] else: count += 1 print(ans)
p02723
s959315237
Wrong Answer
s = str(input()) if s[2] == s[3]: if s[4] == s[5]: print("Yes") else: print("No")
p02702
s532429350
Accepted
import sys input = sys.stdin.readline from collections import * S = input()[:-1] cnt = defaultdict(int) cnt[0] = 1 now = 0 ans = 0 for i in range(len(S)-1, -1, -1): now = (int(S[i])*pow(10, len(S)-1-i, 2019)+now)%2019 ans += cnt[now] cnt[now] += 1 print(ans)
p02664
s404204008
Accepted
T = list(input()) if len(T) == 1: if T[0] == "?": print("D") else: print("".join(T)) else: for i in range(len(T)): if i > 0 and T[i] == "?" and T[i-1] == "P": T[i] = "D" elif i < len(T) -1 and T[i] == "?" and (T[i+1] == "D" or T[i+1] == "?"): T[i] = "P" elif T[i] == "?": T[i] = "D" print("".join(T))
p03211
s666112685
Accepted
S=input() diff=[0]*(len(S)-2) for i in range(len(S)-2): diff[i]=abs(753-int(S[i:i+3])) print(min(diff))
p02706
s747930535
Wrong Answer
n,m = list(map(int, input().split())) hoge = list(map(int, input().split())) wa = sum(hoge) if wa >= n: print(-1) else: print(n - wa)
p02873
s712660824
Accepted
S = input() ans = [0] * (len(S) + 1) for i in range(len(S)): if S[i] == '<': ans[i + 1] = ans[i] + 1 for i in range(len(S)-1, -1, -1): if S[i] == '>': ans[i] = max(ans[i + 1] + 1, ans[i]) print(sum(ans))
p02554
s734839946
Accepted
N = int(input()) ans = 10 ** N - (9 ** N + 9 ** N - 8 ** N) ans = ans % (10 ** 9 + 7) print(ans)
p02922
s783265940
Accepted
A, B = map(int, input().split()) if (B - 1) % (A - 1) == 0: ans = (B - 1) // (A - 1) else: ans = (B - 1) // (A - 1) + 1 print(ans)
p03799
s482098825
Accepted
n,m = map(int, input().split()) if n > (m+n)/3: print(m//2) exit() ans = n m -= 2*n ans += m//4 print(ans)
p02570
s322966683
Wrong Answer
try: D = int(input()) T = int(input()) S = int(input()) except: print('Error') else: tmp = T * S if D > tmp: print('No') else: print('Yes')
p02935
s979334251
Wrong Answer
import sys import itertools # import numpy as np read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines N, *H = map(int, read().split()) cnt = 1 H.sort() ans = H[0] print(H) for i in H[1:]: print(ans, cnt) ans += cnt * i cnt *= 2 print(ans, cnt) print(ans / cnt)
p02677
s665502781
Wrong Answer
import math a,b,h,m=map(int, input().split()) d = 30*(h+m/60)-6*m e = 360-d f = int(min(d,e)) y = math.cos(math.radians(f)) x = a**2+b**2-2*a*b*y print(math.sqrt(x))
p02730
s262983141
Accepted
s = input() a = s[:int((len(s) - 1) / 2)] b = s[int(((len(s) + 3) / 2) - 1):] if a == a[::-1] and b == b[::-1] and s == s[::-1]: print('Yes') else: print('No')
p02699
s711765318
Accepted
S,W = map(int,input().split()) if(S>W): print("safe") else: print("unsafe")
p02705
s316195004
Wrong Answer
import math R=float(input()) L=2*math.pi*R
p02694
s651716712
Accepted
X = int(input()) a = 100 i = 0 while a < X: i += 1 a += a // 100 print(i)
p02583
s499386790
Accepted
n = int(input()) l = list(map(int, input().split())) l = sorted(l) count = 0 for i in range(n): for j in range(i+1,n): for k in range(j+1, n): if l[i] != l[j] and l[j] != l[k] and l[i] != l[k] and l[k] < l[i] + l[j]: count += 1 print(count)
p02783
s593279777
Accepted
import math H,A=map(int,input().split()) print(math.ceil(H/A))
p02578
s887097476
Accepted
n=int(input()) a=[int(i) for i in input().split()] max_height=0 ans=0 for i in a: if max_height>i: ans+=max_height-i else: max_height=i print(ans)
p03860
s476465098
Accepted
x=input() print("A"+x[8]+"C")
p03437
s150667668
Accepted
x,y=map(int,input().split()) print(-(x%y==0) or x)
p02881
s650360580
Wrong Answer
n = int(input()) #約数 def make_divisors(n): divisors = [] for i in range(1, int(n**0.5)+1): if n % i == 0: divisors.append(i) if i != n // i: divisors.append(n//i) # divisors.sort() return divisors list_n = make_divisors(n) a = len(list_n) ans = [] for i in range(0, a-1, 2): ans.append(list_n[i]+list_n[i+1]) ans.sort() print(ans[0]-2)
p03379
s766571179
Accepted
n = int(input()) x = list(map(int, input().split())) y = x y = sorted(y) a = y[n // 2 -1] b = y[n // 2] for i in range(n): if x[i] <= a: print(b) elif x[i] >= b: print(a)
p02797
s833290094
Accepted
N,K,S=map(int,input().split()) if S==10**(9): ans=[S-1]*N else: ans=[10**(9)]*N for i in range(K): ans[i]=S print(*ans)
p03252
s115710083
Accepted
s=input() t=input() S=sorted(map(s.count,set(s))) T=sorted(map(t.count,set(t))) print("Yes"if S==T else "No")
p03289
s745921729
Accepted
s = input() def has_A(x): if x[0] == 'A': return True return False def has_C(x): if x[2:-1].count('C') == 1: return True return False def is_lower_this_case(x): i = x.index('C') if x[1:i].islower() and x[i+1:].islower(): return True return False if has_A(s) and has_C(s) and is_lower_this_case(s): print('AC') else: print('WA')
p03797
s326471760
Wrong Answer
N,M = [int(i) for i in input().split()] S = 0 M -= 2*N S = N + M // 4 print(S)
p02948
s272246091
Wrong Answer
n,m=map(int,input().split()) X=[] for i in range(n): a,b=map(int,input().split()) X.append([a,b]) Y=sorted(X,key=lambda x:(x[1]), reverse=True) ans=0 d=0 for i in range(n): if d+Y[i][0]<=m: ans+=Y[i][1] d+=1 print(ans)
p02683
s243207935
Accepted
import numpy as np import itertools N, M, X = map(int, input().split()) CA = [] cost = 12 * (10**5) + 1 for _ in range(N): CA.append(list(map(int, input().split()))) for T in itertools.product([1,0], repeat = N): Flag = True ans = np.zeros(M+1) for i in range(N): if T[i] == 1: ans += np.array(CA[i]) for j in range(1, M+1): if ans[j] < X: Flag = False break if Flag: cost = min(cost, ans[0]) if cost == 12 * (10**5) + 1: print(-1) else: print(int(cost))
p03759
s055628588
Accepted
a,b,c=[int(i) for i in input().split()] if b-a==c-b: print("YES") else: print("NO")
p03962
s894623745
Accepted
print(len(set(input().split())))
p03605
s632232677
Accepted
s = str(input()) l = len(s) if s[0]=='9' or s[-1]=='9': print("Yes") else: print("No")
p03698
s186741562
Wrong Answer
S = input().strip() print("Yes" if len(S) == len(set(list(S))) else "No")
p02899
s934178583
Accepted
num = int(input()) a_list = list(map(int, input().split(" "))) ans_list = [0] * num for i in range(num): ans_list[a_list[i]-1] = i+1 for i in range(num-1): print(ans_list[i], end=" ") print(ans_list[num-1])
p02688
s245821679
Accepted
def main(): n,k = map(int,input().split(" ")) l =[True]*n for i in range(k): d = int(input()) As = list(map(int,input().split(" "))) for A in As: l[A-1] = False print(l.count(True)) main()
p03317
s734135688
Accepted
from math import ceil N, K = map(int, input().split()) A = list(map(int, input().split())) print(ceil((N - 1) / (K - 1)))
p02743
s666219785
Wrong Answer
a,b,c = map(float,input().split()) if 4*a*b < (c-a-b)**2: print('Yes') else: print('No')
p02706
s245481775
Accepted
N, M = map(int, input().split()) List = list(map(int, input().split())) if sum(List) <= N: print(N-sum(List)) else: print(-1)
p02843
s738902474
Accepted
X=int(input()) Y=X%100 Z=X//100 if Y>(Z*5): print(0) else: print(1)
p02628
s019899094
Wrong Answer
string = input() if string.isupper() == True: print("A") else: print("a")
p02861
s923771162
Wrong Answer
import math n=int(input()) p=[] for i in range(n): p.append(list(map(int,input().split()))) #print(p) ans=0 for i in range(n): for j in range(n): if i!=j: print(i,j) ans+=math.sqrt((p[j][0]-p[i][0])**2+(p[j][1]-p[i][1])**2) ans/=n print(ans)
p03254
s746018009
Wrong Answer
N, x = [int(z) for z in input().split()] children = [int(z) for z in input().split()] children.sort() cnt = 0 for i in children: if x - i < 0: break else: x -= i cnt += 1 print(cnt)
p02718
s167899622
Accepted
N, M = map(int, input().split()) A = list(map(int, input().split())) A = sorted(A, reverse=True) X = A[M-1] Y = sum(A) th = Y / (4*M) if X >= th: print('Yes') else: print('No')
p02786
s487662364
Wrong Answer
# coding utf-8 import math H = int(input()) max_h = 10**12 n = 1 while H > 1: H //= 2 n += 1 print(H) print((2**n)-1)
p02879
s425695528
Accepted
a,b = map(int,input().split()) print(a*b if a < 10 and b < 10 else -1)
p03624
s856701090
Accepted
S = input() s = set(S) if len(s) == 26: print('None') else: for i in 'abcdefghijklmnopqrstuvwxyz': if i not in S: print(i) break
p02767
s497742304
Accepted
N = int(input()) X = list(map(int,input().split())) X.sort() m=10**18 for p in range(102): s=0 for i in range(N): s+= (X[i]-p)**2 if(m>s): m=s print(m)
p02947
s312118509
Accepted
def main(): N = int(input()) s = "".join(sorted(input())) dic = {s:1} ans = 0 for _ in range(N-1): s = "".join(sorted(input())) if s in dic: dic[s] += 1 else: dic[s] = 1 for i in dic.values(): ans += (i*(i-1))//2 return ans if __name__ == '__main__': print(main())
p02603
s619114981
Wrong Answer
n = int(input()) a = list(map(int, input().split())) cash = 1000 kabu = 0 for i,j in zip(a[:-1], a[1:]): if i < j: kabu = cash // i cash = cash - i * kabu else: cash += kabu * i kabu = 0 print(cash + kabu * a[-1])
p03163
s029656162
Accepted
n, w = map(int, input().split()) things = [] things.append([0,0]) things += [list(map(int, input().split())) for _ in range(n)] dp = [[0 for _ in range(w + 1)] for _ in range(n + 1)] def do_dp(): for i,thing in enumerate(things): dp_1 = dp[i-1] for j in range(1, w + 1): dp[i][j] = dp_1[j-thing[0]] + thing[1] if (j - thing[0]) >= 0 else dp_1[j] dp[i][j] = max(dp[i][j], dp_1[j]) do_dp() print(dp[n][w])
p03633
s701492472
Accepted
import math from functools import reduce n = int(input()) t = list(int(input()) for _ in range(n)) def lcm_base(x, y): return (x * y) // math.gcd(x, y) def lcm_list(numbers): return reduce(lcm_base, numbers, 1) print(lcm_list(t))
p02727
s188070967
Accepted
from sys import stdin input = stdin.readline x, y, a, b, c = list(map(int, input().split())) p = list(map(int, input().split())) q = list(map(int, input().split())) r = list(map(int, input().split())) p.sort(reverse=True) q.sort(reverse=True) a = p[:x] + q[:y] + r a.sort(reverse=True) print(sum(a[:x+y]))
p02689
s088389622
Accepted
N,M = map(int,input().split()) H = list(map(int,input().split())) AB = [list(map(int,input().split())) for _ in range(M)] load = [[] for _ in range(N)] ans = 0 for a,b in AB: a-=1 b-=1 load[a].append(b) load[b].append(a) for i,lis in enumerate(load): if len(lis)==0: ans+=1 else: judge = True for j in lis: if H[i]<=H[j]: judge = False break if judge: ans+=1 print(ans)
p02658
s457505480
Accepted
def main(): N=int(input()) A=[int(_) for _ in input().split()] if 0 in A: print(0) exit() ans = 1 for a in A: ans *= a if ans > 10**18: print(-1) exit() print(ans) main()
p02583
s335327583
Accepted
n = int(input()) l = list(map(int,input().split())) count = 0 for i in range(n-2): for j in range(i+1,n-1): for k in range(j+1,n): if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]: if ((l[i]) + (l[j])) > (l[k]) and ((l[k]) + (l[j])) > (l[i]) and ((l[i]) + (l[k])) > (l[j]): count += 1 print(count)
p02630
s379172757
Wrong Answer
n=int(input()) a=list(map(int,input().split())) dp=[0]*(10**5+1) for i in range(1,10**5+1): dp[i]=a.count(i)
p02639
s521973474
Accepted
num = list(map(int, input().split(" "))) x = 1 for i in num: if i == 0: print(x) else: x += 1
p02957
s120965458
Wrong Answer
a,b=map(int,input().split()) x=(a+b)/2 if x.is_integer()==1:print(x) else:print("IMPOSSIBLE")
p04020
s454011378
Wrong Answer
N=int(input()) A=[0]*N for i in range(N): A[i]=int(input()) B = [0]*N B[0]= A[0] %2 ans= A[0]//2 for i in range(1,N): #print(i,A[i],B[i-1], (B[i-1]+A[i])//2 ) pair= (B[i-1]+A[i])//2 ans += pair if (A[i]+B[i-1]) %2==1 and A[i]%2==1: B[i] = 1 else: B[i] = 0 #print(ans,B) print(ans)
p03069
s386856478
Wrong Answer
n = int(input()) s = input() flg = False count = 0 for l in s: if l=="#": flg = True else: if flg: count+=1 print(count)
p02897
s956455127
Wrong Answer
a=int(input()) b=a//2+1 print(b/a)
p02963
s382798347
Accepted
s = int(input()) x2 = 10**9 y2 = 1 x3 = s % (10**9) y3 = s // (10**9) if x3 > 0: x3 = 10**9 - s % (10**9) y3 = s // (10**9) + 1 print("0 0 " + str(10**9) + " 1 " + str(x3) + " " + str(y3))
p03352
s543653303
Accepted
import sys readline = sys.stdin.readline MOD = 10 ** 9 + 7 INF = float('INF') sys.setrecursionlimit(10 ** 5) def main(): x = int(readline()) s = set() for i in range(1, 1001): for j in range(2, 16): if i ** j <= x: s.add(i ** j) else: break l = list(s) l.sort(reverse=True) print(l[0]) if __name__ == '__main__': main()
p02724
s723147008
Accepted
import math x = int(input()) gohyoku = math.floor(x/500) goen = math.floor((x-500*gohyoku)/5) print(gohyoku*1000+goen*5)
p02862
s489246016
Wrong Answer
MOD = 10**9 + 7 def fac(n): ans = 1 for i in range(1, n + 1): ans = ans * i % MOD return ans X, Y = map(int, input().split()) if (2 * X - Y) % 3 != 0: print(0) else: a, b = (2 * Y - X) // 3, (2 * X - Y) // 3 print((fac(a + b) * pow(fac(a), MOD-2, MOD) * pow(fac(b), MOD-2, MOD)) % (10**9 + 7))
p03861
s465645420
Accepted
a,b,x = map(int,input().split()) ans = b//x -(a-1)//x print(ans)
p03162
s634387784
Wrong Answer
N = int(input()) x, y, z = 0, 0, 0 dp = [[0, 0, 0] for _ in range(N)] for i in range(1, N): a, b, c = map(int, input().split()) dp[i][0] = max(dp[i-1][0]+b, dp[i-1][0]+c) dp[i][1] = max(dp[i-1][1]+a, dp[i-1][1]+c) dp[i][2] = max(dp[i-1][2]+a, dp[i-1][2]+b) print(max(dp[-1]))
p02598
s316241713
Accepted
from math import ceil, floor n,k = map(int,input().split()) a = list(map(int,input().split())) l = 0 r = 10**9 m = (l+r)//2+1 for i in range(100): # print(l,m,r) cnt = 0 for j in a: cnt += (ceil(j/m)-1) # print(cnt) # print(l,m,r,cnt) if cnt <= k: r = m m = ceil((l+r)/2) else: l = m m = ceil((l+r)/2) print(m)
p02842
s403008257
Wrong Answer
n = int(input()) for i in range(1,n): if(int(i*1.08) == n): print(i) exit() print(":(")
p03076
s637791849
Wrong Answer
A = [int(input()) for i in range(5)] d = 9 ans = 0 for a in A: ans += 0--a//10*10 if a%10: d = min(d,a%10) print(ans - 10 + d)
p03145
s385114062
Wrong Answer
a,b,c=[int(i) for i in input().split()] print((a*b)/2)
p02556
s816924823
Accepted
import sys def input(): return sys.stdin.readline()[:-1] def main(): N = int(input()) d = [] e = [] for k in range(N): x, y = map(int,input().split()) d.append(x+y) e.append(x-y) d.sort() e.sort() print(max(e[-1]-e[0],d[-1]-d[0])) if __name__ == '__main__': main()
p03785
s990693387
Accepted
import sys input = sys.stdin.readline N, C, K = map(int, input().split()) T = sorted([int(input()) for _ in range(N)]) tmp, cnt, ans = 0, 0, 0 for t in T: if not tmp: tmp = t + K cnt += 1 ans += 1 elif tmp < t or cnt == C: tmp = t + K cnt = 1 ans += 1 else: cnt += 1 print(ans)
p03695
s595048672
Accepted
from collections import defaultdict import sys input = sys.stdin.readline def main(): n = int(input()) A = list(map(int, input().split())) color = defaultdict(int) g = 0 for a in A: if a >= 3200: g += 1 continue for j in range(8): if 400 * j <= a < 400 * (j + 1): color[j] = 1 print(max(1, len(color)), len(color) + g) if __name__ == '__main__': main()
p02947
s085315794
Accepted
import math import sys input = sys.stdin.readline N=int(input()) d={} for i in [0]*N: s = ''.join(sorted(input().strip())) if s in d: d[s]+=1 else: d[s]=1 e=0 for v in d.values(): if v>=2: e+=int(v*(v-1)/2) print(e)
p03379
s010129901
Accepted
n=int(input()) a=list(map(int,input().split())) b=sorted(a) for i in a: if i<=b[(n//2)-1]: print(b[n//2]) else: print(b[(n//2)-1])
p03827
s774913258
Wrong Answer
s=int(input()) t=str(input()) t=list(t) ans=0 temp=-999 for i in range(0,s): if t[i]=="I": ans=ans+1 else: ans=ans-1 temp=max(ans,temp) print(temp)
p02958
s850937989
Accepted
n = int(input()) p = list(map(int,input().split())) count = 0 p_new = sorted(p) for i in range(n): if p_new[i] != p[i]: count += 1 if count==2 or count==0: print("YES") else: print("NO")