problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p02731
s044586461
Accepted
l=int(input()) print((l/3)**3)
p02706
s556767692
Accepted
n, m = map(int, input().split()) a = [int(i) for i in input().split()] ans = n - sum(a) if ans >= 0: print(ans) else: print(-1)
p03838
s560958878
Accepted
import sys sys.setrecursionlimit(10 ** 7) input = sys.stdin.readline x, y = map(int, input().split()) if x<y: diff = abs(abs(x)-abs(y)) if x*y>=0: print(diff) exit() else: print(diff+1) exit() if y<x: diff = abs(abs(x)-abs(y)) if x*y>0: print(diff+2) else: print(diff+1)
p03328
s311137770
Accepted
import sys a,b=map(int,input().split()) c=b-a ans=0 for i in range(1,c+1,1): ans+=i ans-=b print(ans)
p03711
s838334819
Wrong Answer
a = map(int, input().split()) input_list = list(a) group_a = [1, 3, 5, 7, 8, 10, 12] group_b = [4, 6, 9, 11] group_c = [2] list_of_list = [group_a, group_b, group_c] count_match = 0 for list_i in list_of_list: if input_list in list_i: count_match += 1 break if count_match == 1: print('Yes') else: print('No')
p02665
s064075072
Wrong Answer
n = int(input()) a = list(map(int, input().split())) if a[0] == 1: if n == 0: print(1) else: print(-1) else: lefts = [sum(a)] for i in range(1, len(a)): lefts.append(lefts[-1] - a[i]) b = [0] * (n + 1) b[0] = 1 for i in range(1, n + 1): b[i] = min(b[i-1] * 2 - a[i], lefts[i]) if min(b) < 0: print(-1) else: print(sum(b) + sum(a))
p02873
s729271759
Wrong Answer
S = input() n = len(S) + 1 num = [0] * n for i in range(n-1): if S[i] == '<': num[i + 1] = max(num[i] + 1, num[i + 1]) for i in range(n - 2, 0, -1): if S[i] == '>': num[i] = max(num[i + 1] + 1, num[i]) print(sum(num))
p03208
s494073288
Accepted
# ans N, K = map(int, input().split()) H = [int(input()) for i in range(N)] H.sort() print(min(H[i+K-1] - H[i] for i in range(N-K+1)))
p02790
s737201832
Wrong Answer
a , b = map(int,input().split()) s = max(a,b) t = min(a,b) k = 0 for i in range(1,s+1): k += t*(10**i) print(k)
p02987
s250152480
Accepted
s=input() if s.count(s[0])==2: if s[1]==s[2] or s[1]==s[3] or s[2]==s[3]: print("Yes") else: print("No") else: print("No")
p03997
s570599506
Accepted
a=input() b=input() h=input() print((int(a)+int(b))*int(h)//2)
p03075
s864248792
Accepted
a = int(input()) b = int(input()) c = int(input()) d = int(input()) e = int(input()) k = int(input()) if e-a <= k: print("Yay!") else: print(":(")
p02713
s377923493
Accepted
#https://atcoder.jp/contests/abc162/tasks/abc162_c # -*- coding: utf-8 -*- import math ans = 0 K = int(input()) for i in range(1,K+1): for j in range(1,K+1): tmp = math.gcd(i,j) for k in range(1,K+1): ans += math.gcd(tmp,k) print(ans)
p02793
s479003911
Accepted
def gcd(a,b): while b:a,b=b,a%b return a def lcm(a,b):return a*b//gcd(a,b) mod=10**9+7 n=int(input()) a=list(map(int,input().split())) l=a[0] for i in range(1,n): l=lcm(l,a[i]) l%=mod ans=0 for i in range(n): ans+=l*pow(a[i],mod-2,mod) ans%=mod print(ans)
p03696
s584717571
Accepted
# solution import io import math data = int(input()) inin = input() a1 = 0 a2 = 0 for i in range(data): if inin[i] == '(': a1 += 1 else: if a1 > 0: a1 -= 1 else: a2 += 1 print('('*a2+inin+')'*a1)
p03239
s909728776
Accepted
import bisect,collections,copy,heapq,itertools,math,string import sys def S(): return sys.stdin.readline().rstrip() def M(): return map(int,sys.stdin.readline().rstrip().split()) def I(): return int(sys.stdin.readline().rstrip()) def LI(): return list(map(int,sys.stdin.readline().rstrip().split())) def LS(): return list(sys.stdin.readline().rstrip().split()) N, T = M() ans = 100000 for _ in range(N): c, t = M() if t <= T: ans = min(ans, c) if ans == 100000: print('TLE') else: print(ans)
p03329
s219820070
Accepted
N=int(input()) inf=100000 dp=[inf for _ in range(N+1)] dp[0]=0 for n in range(1,N+1): num=100000 i=0 j=0 while 9**(i+1)<=n: i+=1 while 6**(j+1)<=n: j+=1 for k in range(i+1): num=min(num,dp[n-9**k]+1) for k in range(j+1): num=min(num,dp[n-6**k]+1) dp[n]=min(dp[n],num) print(dp[N])
p03814
s013290042
Accepted
S = input() s = S.index('A') e = [i for i, x in enumerate(S) if x == 'Z'] print(max(e) - s + 1)
p03624
s981900239
Accepted
S = input() for c in "abcdefghijklmnopqrstuvwxyz": if c not in S: print(c) break else: print("None")
p02633
s890865136
Wrong Answer
x=int(input()) print(int(360/x))
p03067
s726812004
Accepted
import sys readline = sys.stdin.readline MOD = 10 ** 9 + 7 INF = float('INF') sys.setrecursionlimit(10 ** 5) def main(): A, B, C = map(int, readline().split()) if (A < C < B) or (B < C < A): print("Yes") else: print("No") if __name__ == '__main__': main()
p02700
s015922137
Wrong Answer
a,b,c,d = map(int,input().split()) import math k = math.ceil(c/b) l = math.ceil(a/d) if k >= l: print('Yes') else: print('No')
p03680
s566927887
Accepted
N = int(input()) la = list() for i in range(N): la.append(int(input())) lnum = [0]*N i = 1 cnt = 0 while lnum[i-1] == 0 and i != 2: lnum[i-1] += 1 i = la[i-1] cnt += 1 if i == 2: print(cnt) else: print("-1")
p02601
s727008522
Accepted
a, b, c = map(int, input().split()) k = int(input()) while b <= a: k -= 1 b *= 2 while c <= b: k -= 1 c *= 2 print("Yes" if k>=0 else "No")
p02909
s017822732
Wrong Answer
s=input() l=['Sunny', 'Cloudy', 'Rainy'] print(l.index(s)-1)
p02765
s667187326
Wrong Answer
N,R=map(int,input().split()) if N<10: print(R-100*(10-N)) else: print(R)
p02552
s091555715
Accepted
if input() == "1": print(0) else: print(1)
p03219
s561647816
Wrong Answer
x,y = map(int,input().split()) print(x + y/2)
p03037
s680619430
Wrong Answer
n,m = map(int,input().split()) MIN = 0 MAX = 10**5 for i in range(m): l,r = map(int,input().split()) MIN = MIN if MIN > l else l MAX = MAX if MAX < r else r if MIN > n: print(0) else: MAX = MAX if MAX <= n else n print(MAX-MIN+1)
p02621
s453704230
Wrong Answer
n = int(input()) % 1000 print(1000 - n if n else 0)
p04012
s846829688
Accepted
w = input() ws = set(w) for i in ws: if w.count(i)%2 == 1: print('No') exit() print('Yes')
p03485
s095159812
Wrong Answer
a, b = map(int,input().split()) c = a+b ans = (c+1)/2 print(ans)
p03380
s069899158
Accepted
n=int(input()) a=list(map(int,input().split())) a.sort() y=a[-1] diff=10**9+2 for i in a[:-1]: diff=min(diff,max(i,y-i)) x=-1 for i in a[:-1]: if max(i,y-i)==diff: x=i break print(y,x)
p02681
s005541643
Wrong Answer
s = input() t = input() t2 =t.strip(t[-1]) if(t2 == s): print("Yes") else: print("No")
p02642
s116035143
Wrong Answer
n = int(input()) a = list(map(int, input().split())) a.sort() cnt = [0] * ((10 ** 6) + 1) for elem in a: cnt[elem] += 1 unique = [] for i in range((10 ** 6) + 1): if cnt[i] == 1: unique.append(i) cnt = [0] * ((10 ** 6) + 1) for elem in unique: for m in range(elem * 2, (10 ** 6) + 1, elem): cnt[m] = 1 ans = 0 for elem in unique: if cnt[elem] == 0: ans += 1 print(ans)
p02724
s218791969
Accepted
X = int(input()) x = int(X / 500) Y = X % 500 y = int(Y / 5) print(1000 * x + 5 * y)
p03282
s792117741
Accepted
S = input() K = int(input()) ans = 1 for i in range(K): if (S[i] != '1'): ans = int(S[i]) break print(ans)
p02819
s812395033
Accepted
X=int(input()) while any(X%i==0 for i in range(2,X)):X+=1 print(X)
p03479
s189468251
Accepted
x,y=map(int,input().split()) cnt=1 while True: x*=2 if x>y: break else: cnt+=1 print(cnt)
p02946
s447596909
Accepted
k,x=map(int,input().split()) ans=[i for i in range(x-(k-1), x+(k-1)+1)] print(*ans,sep=' ')
p03448
s457150772
Wrong Answer
x=int(input()) y=int(input()) z=int(input()) result=int(input()) count=0 for i in range(x): for j in range(y): for k in range(z): if i*500+j*100+k*50==result: count+=1 print(count)
p03951
s845974964
Accepted
def main(): n = int(input()) s, t = input(), input() for i in range(n, -1, -1): u = s[-i:] v = t[:i] if u == v: ans = 2 * n - i print(ans) break else: print(2 * n) if __name__ == '__main__': main()
p02682
s879429932
Accepted
a,b,c,k=map(int,input().split()) ct=k result = 0 if a>0: if ct>a: result=1*a elif a>=ct: result=1*ct ct=k-a if ct>0 and b>0: ct=ct-b if ct>0 and c>0: result=result+(-1*ct) print(result)
p02785
s215269312
Wrong Answer
n,k=map(int,input().split()) hp=list(map(int,input().split())) sorted(hp) re=sum(hp[:n-k]) print(re)
p02866
s909491922
Accepted
n = int(input()) d = list(map(int, input().split())) l = [0]*(max(d)+1) for i in d: l[i] += 1 if d[0] != 0 or l[0] != 1: print(0) exit() ans = 1 for i in range(1, len(l)): ans *= l[i-1]**l[i] print(ans%998244353)
p02843
s977887016
Accepted
x = int(input()) dp = [0]*(x+105) dp[0] = 1 for i in range(x): for j in range(6): dp[i+100+j] = dp[i+100+j] | dp[i] print(dp[x])
p03471
s025930444
Wrong Answer
n, y = map(int, input().split()) count = 0 for i in range(n+1): for j in range(n+1): k = n - i - j if 0<=k<=2000 and 10000*i + 5000*j + 1000*k == y : print(i, j, k) count += 1 break if count == 0: print(-1,-1,-1)
p03011
s620700937
Accepted
a = list(map(int,input().split())) print(sum(sorted(a)[0:2]))
p02836
s321470063
Accepted
S = input() result = 0 # 入力例1なら3文字目まで for i in range(len(S) // 2): # sの1(2番目)がsの最後尾と一緒ならカウント if S[i] != S[-(i + 1)]: result += 1 print(result)
p04034
s652567049
Accepted
N,M = map(int,input().split()) C = {i:[0,1] for i in range(1,N+1)} C[1] = [1,1] for _ in range(M): x,y = map(int,input().split()) if C[x][0]==1: C[y][0]=1 C[y][1] += 1 C[x][1] -= 1 if C[x][1]==0: C[x][0]=0 cnt = 0 for i in range(1,N+1): if C[i][0]==1: cnt += 1 print(cnt)
p02847
s185467428
Wrong Answer
# A - Can't Wait for Holiday # 曜日入力 S = input() if S == 'SUN': print(7) elif S == 'MON': print(1) elif S == 'TUE': print(2) elif S == 'WED': print(3) elif S == 'THU': print(4) elif S == 'FRI': print(5) elif S == 'SAT': print(6)
p03069
s463497267
Accepted
n=int(input()) s=input() ans=10**9 w=[0]*n b=[0]*n cw,cb=0,0 for i in range(n): if s[i]==".": cw+=1 else: cb+=1 w[i]=cw b[i]=cb for i in range(n): ans=min(ans,b[i]+w[-1]-w[i]) ans=min(ans,b[-1],w[-1]) print(ans)
p02693
s883666397
Wrong Answer
K = int(input()) A, B = [int(i) for i in input().split()] if B - A >= K: print("Yes") else: print("No")
p02556
s484872196
Accepted
n = int(input()) point = [] for _ in range(n): point.append((tuple(map(int, input().split())))) point = list(set(point)) point = sorted(point) if len(point) == 1: print(0) else: d1 = max([(x+y) for x,y in point])- min([(x+y) for x,y in point]) d2 = max([(x-y) for x,y in point]) - min([(x-y) for x,y in point]) print(max(d1,d2))
p02663
s802860578
Accepted
h1,m1,h2,m2,k = map(int,input().split()) H_min = (h2-h1)*60 M_min = m2-m1 time = H_min + M_min ans = time - k print(ans)
p03860
s352141625
Wrong Answer
a,x,c = input().split() X = x[0] list = ['A',X,'C'] ans = ','.join(list) print(ans)
p03161
s405907335
Accepted
import sys n, k = map(int, sys.stdin.readline().strip('\n').split()) h = list(map(int, sys.stdin.readline().strip('\n').split())) dp = [float('inf') for _ in range(n)] dp[0] = 0 for i in range(1, n): for j in range(k+1): if i-j>=0: dp[i] = min(dp[i], dp[i-j] + abs(h[i-j]-h[i])) print(dp[n-1])
p02916
s817447812
Accepted
N = int(input()) A = list(map(int, input().split())) B = list(map(int, input().split())) C = list(map(int, input().split())) before_a = -2 ans = 0 for a in A: ans += B[a - 1] if before_a + 1 == a: ans += C[a - 2] before_a = a print(ans)
p02995
s162672925
Wrong Answer
a,b,c,d=list(map(int,input().split())) import math def yakusuu(n): return n//c+n//d-n//(c*d/math.gcd(c,d)) print(int(b-a+1-(yakusuu(b)-yakusuu(a-1))))
p02627
s578642694
Accepted
alpha = input() if alpha.isupper(): print('A') else: print('a')
p03639
s908874189
Accepted
N=int(input()) a=map(int,input().split()) c=0 d=0 e=0 f=0 for i in a: if i%4==0: c=c+1 elif i%2==0: d=d+1 e=N-c-d if d==0: if (c+1)>=e: print('Yes') else: print('No') else: if c>=e: print('Yes') else: print('No')
p03814
s149305253
Accepted
s = input() num = len(s) A = s.find("A") Z = s.rfind("Z") ans = Z - A + 1 print(ans)
p03211
s298592218
Accepted
S = input() min = 1000 for i in range(len(S) - 2): x = int(S[i:i+3]) x = abs(753 - x) if min > x: min = x print(min)
p02996
s836849240
Accepted
N = int(input()) job = [[0]*2 for i in range(N)] time = 0 for i in range(N): l = list(map(int, input().split())) job[i][0], job[i][1] = l[1], l[0] job = sorted(job) for i in range(N): time += job[i][1] if time > job[i][0]: print("No") break elif i == N-1: print("Yes")
p03071
s511224225
Accepted
a, b = map(int, input().split()) ans = 0 for i in range(2): if a < b: ans += b b -= 1 else: ans += a a -= 1 print(ans)
p02817
s551783812
Accepted
s,t=input().split() print(t+s)
p02947
s703969542
Wrong Answer
from collections import Counter n=int(input()) List=[list(input()) for i in range(n)] ans=0 for i in range(n-1): List1=Counter(List[i]) for j in range(1,n): List2=Counter(List[j]) if List1==List2: ans+=1 print(int(ans/2))
p02952
s475556407
Wrong Answer
N = int(input()) a=0 cnt = 0 num = N while 10<=num: num/=10;a+=1 if a%2==0: for i in range(10**a,N+1): cnt += 1 if 4 < a: print(cnt + 90909) elif 2 < a: print(cnt + 909) else: print(cnt + 9)
p02572
s845249933
Accepted
MOD = 10**9+7 N = int(input()) A = list(map(int, input().split())) A_sum = sum(A) r = 0 for i, a in enumerate(A): x = A[i]*(A_sum - a) r = (r+x) % MOD # print(r) r = (r * pow(2, MOD-2, MOD)) % MOD print(r)
p02820
s331069034
Accepted
N,K = map(int,input().split()) R,S,P = map(int,input().split()) T = input() score = 0 last_lst = [""]*K for i in range(N): if T[i] == last_lst[i%K]: last_lst[i%K] = "" continue else: if T[i] == "r": score += P elif T[i] == "p": score += S else: score += R last_lst[i%K] = T[i] print(score)
p03495
s409535309
Accepted
import sys from collections import Counter def main(): n, k = map(int, input().split()) a = tuple(map(int, input().split())) col = max(0, len(set(a)) - k) if col == 0: print(0) sys.exit() ac = Counter(a) acl = ac.most_common()[::-1] acll = [ace[1] for ace in acl[:col]] r = sum(acll) print(r) if __name__ == '__main__': main()
p03760
s362419451
Accepted
o=input() e=input()+' ' print((''.join(['{}{}'.format(a,b) for a,b in zip(o,e)])).replace(' ',''))
p02595
s810730094
Accepted
N,D = map(int,input().split()) ans = 0 for i in range(N): x,y = map(int,input().split()) if x*x+y*y <= D*D: ans += 1 print(ans)
p02818
s399175401
Wrong Answer
#!/usr/bin/env python3 A, B, K = map(int, input().split()) if A >= K: print(A - K, B) else: print(0, A + B - K)
p03059
s704807787
Accepted
A,B,T = map(int,input().split()) print("{}".format((T//A)*B))
p02717
s540369588
Wrong Answer
input_line = input().split(" ") X=input_line[0] Y=input_line[1] Z=input_line[2] ram=X X=Y Y=ram ram=X X=Z Z=ram input_line=' '.join(input_line) print(input_line)
p02627
s683712469
Wrong Answer
s=input() if s.islower(): print("A") else: print("a")
p02754
s359560699
Wrong Answer
N,A,B=map(int, input().split()) ans=(N-N%(A+B))*A/(A+B)+min(A,N%(A+B)) print(ans)
p02994
s445431846
Wrong Answer
N,L=map(int,input().split()) ans=0 if L>0: for i in range(L+1,L+N): ans+= i elif L<0 and N+L>=0: for i in range(L,L+N): ans+=i elif L<0 and N+L<=0: for i in range(L,L+N-1): ans +=i print(ans)
p02697
s531321861
Accepted
N, M = map(int, input().split()) d = (N-1)//2 ans = [] ans.append((1, 1+d)) while True: a = ans[-1][0]+1 b = ans[-1][1]-1 if a>=b: break ans.append((a, b)) d2 = d-1 ans.append((2+d, 2+d+d2)) while True: a = ans[-1][0]+1 b = ans[-1][1]-1 if a>=b: break ans.append((a, b)) for a, b in ans[:M]: print(a, b)
p03012
s137297943
Accepted
num = int(input()) weight = list(map(int, input().split())) d = [] for i in range(len(weight)): d.append(abs(sum(weight[:i])-sum(weight[i:]))) print(min(d))
p02646
s434343717
Accepted
import sys def input(): return sys.stdin.readline().rstrip() def main(): A, V = map(int, input().split()) B, W = map(int, input().split()) T = int(input()) if W >= V: print('NO') elif abs((A - B) / (W - V)) <= T: print('YES') else: print('NO') if __name__ == '__main__': main()
p03493
s748053225
Wrong Answer
import random a = input() print(random.randint(0,3))
p03524
s682253601
Accepted
S = input() a = S.count('a') b = S.count('b') c = S.count('c') n = len(S)//3 k = len(S)-n*3 if a >= n and b >= n and c >= n: if k == 2 and max(a-n,b-n,c-n) == 2: print('NO') else: print('YES') else: print('NO')
p03435
s185052948
Accepted
c = [[] for _ in range(3)] for i in range(3): c[i] = list(map(int,(input().split()))) a1 = c[1][0] - c[0][0] a2 = c[2][0] - c[0][0] b1 = c[0][1] - c[0][0] b2 = c[0][2] - c[0][0] if c[1][1]-c[0][0] == a1+b1 and c[2][1]-c[0][0] == a2+b1 and c[1][2]-c[0][0] == a1+b2 and c[2][2]-c[0][0] == a2+b2: print("Yes") else: print("No")
p02793
s689425516
Accepted
import fractions from functools import reduce n=int(input()) numbers=list(map(int,input().split())) def lcm_base(x, y): return (x * y) // fractions.gcd(x, y) def lcm_list(numbers): return reduce(lcm_base, numbers, 1) l=0 x=lcm_list(numbers) for i in range(n): l+=(x//numbers[i]) print(l%(10**9+7))
p02596
s813364810
Accepted
K = int(input()) if (K%2==0)or(K%5==0): print(-1) else: x = 7 i = 1 x %= K while (x!=0)or(i>=10**7): x += (7%K) * pow(10,i,K) x %= K i += 1 if i<10**7: print(i) else: print(-1)
p02771
s151341944
Accepted
*X, = map(int, input().split()) if len(set(X)) == 2: print('Yes') else: print('No')
p03262
s467037937
Accepted
from collections import defaultdict from collections import deque import itertools import math def readInt(): return int(input()) def readInts(): return list(map(int, input().split())) def readChar(): return input() def readChars(): return input().split() n,x = readInts() xs = readInts() xs.append(x) xs.sort() ans = xs[1]-xs[0] for i in range(n): ans = math.gcd(ans,xs[i+1]-xs[i]) print(ans)
p03475
s323430188
Wrong Answer
n=int(input()) c=[] s=[] f=[] for i in range(n-1): C,S,F=map(int,input().split()) c.append(C) s.append(S) f.append(F) for i in range(n-1): tmp=s[i] while i<n-1: if tmp<=s[i]: a=s[i] elif tmp>s[i]: a=tmp+(tmp-s[i])%f[i] tmp=a+c[i] i+=1 print(tmp) print(0)
p02732
s425412476
Accepted
n = int(input()) a = [int(i) for i in input().split()] nC2 = [0 for i in range(n + 1)] for i in range(2, n + 1): nC2[i] = i * (i - 1) // 2 cnt = [0]*n for i in a: cnt[i - 1] += 1 res = 0 for i in cnt: res += nC2[i] for i in a: print(res - nC2[cnt[i - 1]] + nC2[cnt[i - 1] - 1])
p03160
s461340359
Wrong Answer
n = int(input()) l = list(map(int, input().split())) diff = 0 prev = l[0] i = 1 while(i < n-1): diff += abs(prev-min(l[i],l[i+1])) prev = min(l[i],l[i+1]) if(prev == l[i]): i += 1 else: i += 2 print(diff)
p02948
s081432283
Wrong Answer
import sys input = sys.stdin.readline N, M = map(int, input().split()) BA = [] for _ in range(N): ab = list(map(int, input().split())) a = ab[0] b = ab[1] BA.append((b,a)) BA.sort(reverse=True) now = 0 ans = 0 for ba in BA: a, b = ba[1], ba[0] if a > M - now: continue ans += b now += 1 print(ans)
p03951
s666154921
Wrong Answer
N=int(input()) s=input() t=input() i=0 count=0 while i<=N-1: if s[-i-1]==t[i]: count+=1 i+=1 else: break ans=s[:N-count]+t print(ans)
p04019
s152803402
Accepted
s = input() flag = [0, 0] if ("N" in s and "S" in s) or ("N" not in s and "S" not in s): flag[0] = 1 if ("W" in s and "E" in s) or ("W" not in s and "E" not in s): flag[1] = 1 if sum(flag) == 2: print("Yes") else: print("No")
p03730
s052479562
Accepted
A, B, C = map(int, input().split()) count = 1 while B > count: if A * count % B == C: print("YES") exit(0) count += 1 print("NO")
p03625
s513076513
Accepted
from collections import Counter input() ans = [] for i, j in Counter(map(int, input().split())).items(): if j >= 4: ans.append(i) if j >= 2: ans.append(i) if len(ans) >= 2: ans.sort() print(ans[-1] * ans[-2]) else: print(0)
p03127
s893829381
Accepted
N = int(input()) A = list(map(int, input().split())) def gcd(x, y): while y: x, y = y, x % y return x answer = A[0] for i in range(1, N): answer = gcd(A[i], answer) print(answer)
p02742
s977570042
Accepted
H, W = map(int, input().split()) if H==1 or W==1: print(1) else: print((H*W+1)//2)
p03371
s389104190
Accepted
a,b,c,x,y=map(int,input().split()) ans=a*x+b*y if x>y: p=2*y*c+(x-y)*min(a,2*c) ans=min(ans,p) if x<=y: p=2*x*c+(y-x)*min(b,2*c) ans=min(ans,p) print(ans)