problem_id stringlengths 6 6 | buggy_code stringlengths 8 526k | fixed_code stringlengths 12 526k | labels listlengths 0 15 ⌀ | buggy_submission_id int64 1 1.54M | fixed_submission_id int64 2 1.54M | user_id stringlengths 10 10 | language stringclasses 8
values |
|---|---|---|---|---|---|---|---|
p02742 | h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
else:
if a*w%2 != 0:
print(a*w//2 + 1)
else:
print(a*w//2) | h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
else:
if h*w%2 != 0:
print(h*w//2 + 1)
else:
print(h*w//2) | [
"identifier.change",
"control_flow.branch.if.condition.change",
"call.arguments.change",
"expression.operation.binary.change",
"io.output.change"
] | 519,983 | 519,984 | u394731058 | python |
p02742 | H,W = map(int,input().split())
if(min(H,W) == 1):
print(0)
exit()
print((H*W+((H*W)%2))//2) | H,W = map(int,input().split())
if(min(H,W) == 1):
print(1)
exit()
print((H*W+(H*W)%2)//2) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 519,989 | 519,990 | u528887718 | python |
p02742 | h, w = map(int, input().split())
ans = (h * w - 1) // 2
if h == 1 or w == 1:
ans = 1
print(ans)
| h, w = map(int, input().split())
ans = (h * w + 1) // 2
if h == 1 or w == 1:
ans = 1
print(ans)
| [
"misc.opposites",
"expression.operator.arithmetic.change",
"assignment.value.change",
"expression.operation.binary.change"
] | 520,011 | 520,012 | u305366205 | python |
p02742 | h, w = map(int, input().split())
ans = (h * w - 1 // 2)
if h == 1 or w == 1:
ans = 1
print(ans)
| h, w = map(int, input().split())
ans = (h * w + 1) // 2
if h == 1 or w == 1:
ans = 1
print(ans)
| [
"misc.opposites",
"expression.operator.arithmetic.change",
"assignment.value.change",
"expression.operation.binary.change"
] | 520,013 | 520,012 | u305366205 | python |
p02742 | h, w = map(int, input().split())
ans = (h * w - 1 / 2)
if h == 1 or w == 1:
ans = 1
print(ans)
| h, w = map(int, input().split())
ans = (h * w + 1) // 2
if h == 1 or w == 1:
ans = 1
print(ans)
| [
"misc.opposites",
"expression.operator.arithmetic.change",
"assignment.value.change",
"expression.operation.binary.change"
] | 520,014 | 520,012 | u305366205 | python |
p02742 | from collections import deque, defaultdict, Counter
from math import ceil, floor
import sys
def input():
return sys.stdin.readline().strip()
H, W = map(int, input().split())
if H == 1 or W == 1:
print(0)
exit()
if H > W:
H, W = W, H
# print(H, W)
ans = W * (H // 2)
# print(ans)
if H % 2 == 1:
# ... | from collections import deque, defaultdict, Counter
from math import ceil, floor
import sys
def input():
return sys.stdin.readline().strip()
H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
exit()
if H > W:
H, W = W, H
# print(H, W)
ans = W * (H // 2)
# print(ans)
if H % 2 == 1:
# ... | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,040 | 520,041 | u047102107 | python |
p02742 | from decimal import Decimal, getcontext
a, b = map(int, input().split())
getcontext().prec = 50
c = Decimal(a) * Decimal(b)
if a == 1 or b == 1:
print(0)
else:
if c % 2 == 1:
print(int(c/2)+1)
else:
print(int(c/2))
| from decimal import Decimal, getcontext
a, b = map(int, input().split())
getcontext().prec = 50
c = Decimal(a) * Decimal(b)
if a == 1 or b == 1:
print(1)
else:
if c % 2 == 1:
print(int(c/2)+1)
else:
print(int(c/2))
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,042 | 520,043 | u661343770 | python |
p02742 | H, W = [int(i) for i in input().split()]
if H==1 or W==1:
print(1)
if H%2==0:
H //= 2
print(H*W)
elif W%2==0:
W //= 2
print(H*W)
else:
W -= 1
c = (W//2)*H
c += H//2 + 1
print(c)
| H, W = [int(i) for i in input().split()]
if H==1 or W==1:
print(1)
quit()
if H%2==0:
H //= 2
print(H*W)
elif W%2==0:
W //= 2
print(H*W)
else:
W -= 1
c = (W//2)*H
c += H//2 + 1
print(c)
| [
"call.add"
] | 520,054 | 520,055 | u821432765 | python |
p02742 | H,W = map(int,input().split())
if(H == 1 or W == 1):
print(1)
else:
if(H%2 == 0):
i = H//2
if(H%2 != 0):
i = H//2+1
j = H-i
if(W%2 == 0):
sum = i*(W//2) + j*(W//2)
if(W%2 != 0):
sum = i*(W/2+1) + j*(W/2)
print(sum) | H,W = map(int,input().split())
if(H == 1 or W == 1):
print(1)
else:
if(H%2 == 0):
i = H//2
if(H%2 != 0):
i = H//2 + 1
j = H-i
if(W%2 == 0):
sum = i*(W//2) + j*(W//2)
if(W%2 != 0):
sum = i*(W//2 + 1) + j*(W//2)
print(sum)
| [
"expression.operator.arithmetic.change",
"assignment.value.change",
"expression.operation.binary.change"
] | 520,066 | 520,067 | u623953567 | python |
p02742 | h, w = map(int, input().split())
if h == 1 and w == 1:
print(0)
elif h % 2 == 1 and w % 2 == 1:
print((h - 1) * w // 2 + (w+1) // 2 )
else:
print(h*w//2)
| h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
elif h % 2 == 1 and w % 2 == 1:
print((h - 1) * w // 2 + (w+1) // 2 )
else:
print(h*w//2)
| [
"control_flow.branch.if.condition.change",
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,099 | 520,100 | u861141787 | python |
p02742 |
H , W = input().split()
W = (W)
H = int(H)
ans = int(0)
#Wが偶数なら(W//2)*H
#W.Hが奇数なら((W+1)//2)*((H+1)//2) + ((W - 1)//2*(H - 1)//2)
#Wが奇数Hが偶数(W+1)//2*(H//2) + ((W - 1)//2)*(H//2)
if(W == H == 1):
ans =1
elif(W%2 == 0):
ans = (W//2)*H
elif(W%2 == 1 and H%2==1):
ans = (((W+1)//2)*((H+1)//2)) + (((W - 1)//2)*(... |
H , W = input().split()
W = int(W)
H = int(H)
ans = int(0)
#Wが偶数なら(W//2)*H
#W.Hが奇数なら((W+1)//2)*((H+1)//2) + ((W - 1)//2*(H - 1)//2)
#Wが奇数Hが偶数(W+1)//2*(H//2) + ((W - 1)//2)*(H//2)
if(W == 1 or H == 1):
ans = 1
elif(W%2 == 0):
ans = (W//2)*H
elif(W%2 == 1 and H%2==1):
ans = (((W+1)//2)*((H+1)//2)) + (((W -... | [
"call.add",
"type_conversion.to_integer.change",
"type_conversion.to_number.change",
"control_flow.branch.if.condition.change"
] | 520,107 | 520,108 | u076303440 | python |
p02742 | hw = list(map(int, input().split()))
if hw[0] == 1 or hw[1] == 1:
count = 0
elif hw[0] % 2 == 0 and hw[1] % 2 == 0:
count = (hw[0] * hw[1]) // 2
elif hw[0] % 2 != 0 and hw[1] % 2 == 0:
count = ((hw[0] + 1) * hw[1] // 2) - (hw[1] // 2)
elif hw[0] % 2 == 0 and hw[1] % 2 != 0:
count = ((hw[1] + 1) * hw[0]... | hw = list(map(int, input().split()))
if hw[0] == 1 or hw[1] == 1:
count = 1
elif hw[0] % 2 == 0 and hw[1] % 2 == 0:
count = (hw[0] * hw[1]) // 2
elif hw[0] % 2 != 0 and hw[1] % 2 == 0:
count = ((hw[0] + 1) * hw[1] // 2) - (hw[1] // 2)
elif hw[0] % 2 == 0 and hw[1] % 2 != 0:
count = ((hw[1] + 1) * hw[0]... | [
"literal.number.integer.change",
"assignment.value.change"
] | 520,115 | 520,116 | u763291354 | python |
p02742 | h, w = map(int, input().split())
if h == 0:
print(1)
elif w == 0:
print(1)
else:
print((h * w + 1)// 2)
| h, w = map(int, input().split())
if h == 1:
print(1)
elif w == 1:
print(1)
else:
print((h * w + 1)// 2) | [
"literal.number.integer.change",
"control_flow.branch.if.condition.change"
] | 520,127 | 520,128 | u373228444 | python |
p02742 | h, w = [int(x) for x in input().split()]
if h==1:
print(1)
quit()
if w==1:
print(1)
quit()
if h%2==0 and w%2==0:
print(h*w//2)
elif h%2==0 and w%2==1:
print(h*w//2)
elif h%2==1 and w%2==0:
print((h*w)//2+1)
else:
print((h*w)//2+1) | h, w = [int(x) for x in input().split()]
if h==1:
print(1)
quit()
if w==1:
print(1)
quit()
if h%2==0 and w%2==0:
print(h*w//2)
elif h%2==0 and w%2==1:
print(h*w//2)
elif h%2==1 and w%2==0:
print((h*w)//2)
else:
print((h*w)//2+1) | [
"expression.operation.binary.remove"
] | 520,157 | 520,158 | u983181637 | python |
p02742 | H, W = map(int, input().split())
if H == 1 or W == 1:
ans = 1
elif H % 2 == 0:
if W % 2 == 0:
ans = H*(W//2)
else:
ans = H*((W-1)//2)+(H//12)
elif H % 2 == 1:
if W % 2 == 0:
ans = H*(W//2)
else: # W%2==1
ans = H*((W-1)//2)+((H+1)//2)
print(ans)
| H, W = map(int, input().split())
if H == 1 or W == 1:
ans = 1
elif H % 2 == 0:
if W % 2 == 0:
ans = H*(W//2)
else:
ans = H*((W-1)//2)+(H//2)
elif H % 2 == 1:
if W % 2 == 0:
ans = H*(W//2)
else: # W%2==1
ans = H*((W-1)//2)+((H+1)//2)
print(ans)
| [
"literal.number.integer.change",
"assignment.value.change",
"expression.operation.binary.change"
] | 520,159 | 520,160 | u615647623 | python |
p02742 | h, w = map(int, input().split(' '))
a1 = 0
if ((h == 1) or (w == 1)):
a1 = 0
elif(((h * w) % 2) == 1):
a1 = ((h * w) // 2) + 1
elif(((h * w) % 2) == 0):
a1 = (h * w) // 2
print(a1) | h, w = map(int, input().split(' '))
a1 = 0
if ((h == 1) or (w == 1)):
a1 = 1
elif(((h * w) % 2) == 1):
a1 = ((h * w) // 2) + 1
elif(((h * w) % 2) == 0):
a1 = (h * w) // 2
print(a1) | [
"literal.number.integer.change",
"assignment.value.change"
] | 520,164 | 520,165 | u363892646 | python |
p02742 | h, w = map(int, input().split(' '))
if ((h == 1) or (w == 1)):
a1 = 0
elif(((h * w) % 2) == 1):
a1 = ((h * w) // 2) + 1
elif(((h * w) % 2) == 0):
a1 = (h * w) // 2
print(a1) | h, w = map(int, input().split(' '))
a1 = 0
if ((h == 1) or (w == 1)):
a1 = 1
elif(((h * w) % 2) == 1):
a1 = ((h * w) // 2) + 1
elif(((h * w) % 2) == 0):
a1 = (h * w) // 2
print(a1) | [
"literal.number.integer.change",
"assignment.value.change"
] | 520,166 | 520,165 | u363892646 | python |
p02742 | h, w = map(int, input().split())
boad = h * w
if w == 1 and h == 1:
print(1)
else:
print((boad + 1) // 2)
| h, w = map(int, input().split())
boad = h * w
if w == 1 or h == 1:
print(1)
else:
print((boad + 1) // 2)
| [
"control_flow.branch.if.condition.change"
] | 520,177 | 520,178 | u068142202 | python |
p02742 | h, w = map(int, input().split())
a = h * w
if h == 1:
print(1)
exit()
if a % 2 == 0:
print(a//2)
else:
print(a//2 + 1) | h, w = map(int, input().split())
a = h * w
if h == 1 or w == 1:
print(1)
exit()
if a % 2 == 0:
print(a//2)
else:
print(a//2 + 1) | [
"control_flow.branch.if.condition.change"
] | 520,191 | 520,192 | u195054737 | python |
p02742 | #!/usr/bin/env python3
H, W = [int(str) for str in input().strip().split()]
print((H * W + 1) // 2 if H != 0 and W != 0 else 1) | #!/usr/bin/env python3
H, W = [int(str) for str in input().strip().split()]
print((H * W + 1) // 2 if H != 1 and W != 1 else 1) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,208 | 520,209 | u470936782 | python |
p02742 | h, w = map(int, input().split())
mas = h*w
if mas == 1:
print(1)
exit()
if mas % 2 == 0:
print(mas//2)
else:
print(mas//2+1)
| h, w = map(int, input().split())
mas = h*w
if h == 1 or w == 1:
print(1)
exit()
if mas % 2 == 0:
print(mas//2)
else:
print(mas//2+1)
| [
"identifier.change",
"control_flow.branch.if.condition.change"
] | 520,212 | 520,213 | u280552586 | python |
p02742 | def main():
w, h = map(int, input().split())
if w == 1 or h == 1:
print(1)
h1 = (h + 1) // 2
h2 = h // 2
if (w % 2) == 1:
print(h1 * ((w // 2) + 1) + (h2 * (w // 2)))
else:
print((h1 + h2) * (w // 2))
if __name__ == "__main__":
main()
| def main():
w, h = map(int, input().split())
if w == 1 or h == 1:
print(1)
exit()
h1 = (h + 1) // 2
h2 = h // 2
if (w % 2) == 1:
print(h1 * ((w // 2) + 1) + (h2 * (w // 2)))
else:
print((h1 + h2) * (w // 2))
if __name__ == "__main__":
main()
| [
"call.add"
] | 520,214 | 520,215 | u006883624 | python |
p02742 | import sys
input = sys.stdin.readline
H, W = [int(x) for x in input().split()]
ans = 0
if H == 1 and W == 1:
print(1)
sys.exit()
if H == 1 or W == 1:
print(1)
sys.exit()
# type2
b = H // 2
# type1
a = H - b
ans += a * (W // 2)
ans += b * (W - (W // 2))
print(ans)
| import sys
input = sys.stdin.readline
H, W = [int(x) for x in input().split()]
ans = 0
if H == 1 and W == 1:
print(1)
sys.exit()
if H == 1 or W == 1:
print(1)
sys.exit()
# type2
b = H // 2
# type1
a = H - b
ans += b * (W // 2)
ans += a * (W - (W // 2))
print(ans)
| [
"identifier.change",
"expression.operation.binary.change"
] | 520,224 | 520,225 | u609061751 | python |
p02742 | h,w=map(int,input().split())
if h==1 or w==1:
print('0')
else:
print((h*w+1)//2)
| h,w=map(int,input().split())
if h==1 or w==1:
print('1')
else:
print((h*w+1)//2)
| [
"literal.string.change",
"call.arguments.change",
"io.output.change"
] | 520,266 | 520,267 | u636845339 | python |
p02742 | h,w=map(int,input().split())
if h==1 and w==1:
print('0')
else:
print((h*w+1)//2)
| h,w=map(int,input().split())
if h==1 or w==1:
print('1')
else:
print((h*w+1)//2)
| [
"control_flow.branch.if.condition.change",
"literal.string.change",
"call.arguments.change",
"io.output.change"
] | 520,268 | 520,267 | u636845339 | python |
p02742 | [h,w] = [int(x) for x in input().split()]
if h == 1:
print(1)
else:
row1 = w//2 + w%2
row2 = w//2
total = (row1 * (h//2+h%2)) + (row2 * (h//2))
print(total)
| [h,w] = [int(x) for x in input().split()]
if h == 1 or w == 1:
print(1)
else:
row1 = w//2 + w%2
row2 = w//2
total = (row1 * (h//2+h%2)) + (row2 * (h//2))
print(total) | [
"control_flow.branch.if.condition.change"
] | 520,280 | 520,281 | u013956357 | python |
p02742 | def resolve():
H, W = map(int, input().split())
if H == 1:
print(1)
return
count = H * W
ans = count // 2
if count % 2 != 0:
ans += 1
print(ans)
resolve() | def resolve():
H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
return
count = H * W
ans = count // 2
if count % 2 != 0:
ans += 1
print(ans)
resolve() | [
"control_flow.branch.if.condition.change"
] | 520,290 | 520,291 | u586662847 | python |
p02742 | H, W = [int(x) for x in input().split()]
if H == 1 or W == 1:
print(0)
else:
print(-(-H * W //2)) | H, W = [int(x) for x in input().split()]
if H == 1 or W == 1:
print(1)
else:
print(-(-H * W //2)) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,296 | 520,297 | u703345769 | python |
p02742 | def resolve():
h, w = map(int, input().split())
dy = h // 2 if h != 1 else 1
if h == 1 or w == 1:
count = 1
elif h % 2 == 1:
count = w * dy + (w-1)
else:
count = w * dy
print(count)
if __name__ == '__main__':
resolve()
| def resolve():
h, w = map(int, input().split())
dy = h // 2 if h != 1 else 1
if h == 1 or w == 1:
count = 1
elif h % 2 == 1:
count = w * dy + (w - (w // 2))
else:
count = w * dy
print(count)
if __name__ == '__main__':
resolve() | [
"assignment.value.change",
"expression.operation.binary.change"
] | 520,301 | 520,302 | u822961851 | python |
p02742 | # -*- coding: utf-8 -*-
import math
def main():
h, w = map(int, input().split())
result = 0
if h == 1:
result = 1
else:
result = w * (h // 2)
if h % 2 == 1:
result += math.ceil(w / 2)
print(int(result))
if __name__ == '__main__':
main()
| # -*- coding: utf-8 -*-
import math
def main():
h, w = map(int, input().split())
result = 0
if h == 1 or w == 1:
result = 1
else:
result = w * (h // 2)
if h % 2 == 1:
result += math.ceil(w / 2)
print(int(result))
if __name__ == '__main__':
main()
| [
"control_flow.branch.if.condition.change"
] | 520,332 | 520,333 | u852210959 | python |
p02742 | import math
H, W = map(int, input().split())
base = math.ceil(W / 2)
if H == 1:
print(1)
exit()
if W % 2 == 0:
ans = base * H
else:
if H % 2 == 1:
ans = (base + base -1) * (H - 1) // 2 + base
else:
ans = (base + base -1) * H // 2
print(ans) | import math
H, W = map(int, input().split())
base = math.ceil(W / 2)
if H == 1 or W == 1:
print(1)
exit()
if W % 2 == 0:
ans = base * H
else:
if H % 2 == 1:
ans = (base + base -1) * (H - 1) // 2 + base
else:
ans = (base + base -1) * H // 2
print(ans)
| [
"control_flow.branch.if.condition.change"
] | 520,334 | 520,335 | u025501820 | python |
p02742 | h, w = map(int, input().split())
ans = 0
if h != 1 and w != 1:
ans = (h//2) * w
if h%2 == 1:
c = w - w//2
ans += c
print(ans)
| h, w = map(int, input().split())
ans = 1
if h != 1 and w != 1:
ans = (h//2) * w
if h%2 == 1:
c = w - w//2
ans += c
print(ans) | [
"literal.number.integer.change",
"assignment.value.change"
] | 520,336 | 520,337 | u922172470 | python |
p02742 | # -*- coding: utf-8 -*-
H, W = map(int, input().split())
if H==1 or W==1:
ans = 0
elif H%2==0 or W%2==0:
ans = H*W // 2
else:
ans = (H*W//2) + 1
print(ans) | # -*- coding: utf-8 -*-
H, W = map(int, input().split())
if H==1 or W==1:
ans = 1
elif H%2==0 or W%2==0:
ans = H*W // 2
else:
ans = (H*W//2) + 1
print(ans) | [
"literal.number.integer.change",
"assignment.value.change"
] | 520,374 | 520,375 | u421828301 | python |
p02742 | H,W=map(int,input().split())
if H==1 or W==1:
print(0)
else:
print(((H+1)//2)*((W+1)//2)+(W//2)*(H//2))
| H,W=map(int,input().split())
if H==1 or W==1:
print(1)
else:
print(((H+1)//2)*((W+1)//2)+(W//2)*(H//2))
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,435 | 520,436 | u233159251 | python |
p02742 | H,W=map(int,input().split())
if H==1 or w==1:
print(0)
else:
print(((H+1)//2)*((W+1)//2)+(W//2)*(H//2))
| H,W=map(int,input().split())
if H==1 or W==1:
print(1)
else:
print(((H+1)//2)*((W+1)//2)+(W//2)*(H//2))
| [
"identifier.change",
"control_flow.branch.if.condition.change",
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,437 | 520,436 | u233159251 | python |
p02736 | def main():
n = int(input())
a = list(map(lambda x: int(x)-1, list(input())))
b = [i % 2 for i in a]
def all_a(x):
ans = 0
for j, i in enumerate(x):
ans ^= (n-1 | j == n-1)*i
return ans
all_b = all_a(b)
if all_b == 1:
print(1)
return
if 1... | def main():
n = int(input())
a = list(map(lambda x: int(x)-1, list(input())))
b = [i % 2 for i in a]
def all_a(x):
ans = 0
for j, i in enumerate(x):
ans ^= (n-1 | j == n-1)*i
return ans
all_b = all_a(b)
if all_b == 1:
print(1)
return
if 1... | [
"function.return_value.change",
"call.arguments.change"
] | 520,507 | 520,508 | u532966492 | python |
p02736 | n = int(input())
al = list(input())
al = [int(a) - 1 for a in al]
flag = False
if 1 not in al:
flag = True
al = [a // 2 for a in al]
else:
al = [a if a != 2 else 0 for a in al]
countl = [0]
a = 0
for i in range(1, n+1):
if i % 2 == 0:
a += 1
countl.append(a)
def comb(a,b):
if countl[a... | n = int(input())
al = list(input())
al = [int(a) - 1 for a in al]
flag = False
if 1 not in al:
flag = True
al = [a // 2 for a in al]
else:
al = [a if a != 2 else 0 for a in al]
countl = [0]
a = 0
for i in range(1, n+1):
while i % 2 == 0:
a += 1
i //= 2
countl.append(a)
def comb(a,... | [
"control_flow.branch.while.replace.add",
"control_flow.loop.if.replace.remove"
] | 520,576 | 520,577 | u683134447 | python |
p02736 | N = int(input())
a = [ int(s) - 1 for s in input()]
# r! に含まれる 2 の数
twos = {}
twos[0] = 0
for r in range(1, N):
count = 0
tmp = r
while tmp % 2 != 0:
tmp //= 2
count += 1
twos[r] = twos[r-1] + count
# {N-1}_C_r の偶数奇数判定
ncr = {}
for r in range(N):
if twos[N-1] - twos[N-1-r] - ... | N = int(input())
a = [ int(s) - 1 for s in input()]
# r! に含まれる 2 の数
twos = {}
twos[0] = 0
for r in range(1, N):
count = 0
tmp = r
while tmp % 2 == 0:
tmp //= 2
count += 1
twos[r] = twos[r-1] + count
# {N-1}_C_r の偶数奇数判定
ncr = {}
for r in range(N):
if twos[N-1] - twos[N-1-r] -... | [
"misc.opposites",
"expression.operator.compare.change",
"control_flow.loop.condition.change"
] | 520,589 | 520,590 | u577170763 | python |
p02742 | h,w=map(int,input().split())
print(-(-(h*w)//2) if h!=1 or w!=1 else 1) | h,w=map(int,input().split())
print(-(-(h*w)//2) if h!=1 and w!=1 else 1) | [
"call.arguments.change",
"io.output.change"
] | 520,630 | 520,631 | u702018889 | python |
p02742 | n,m=map(int,input().split())
import math
if n==1 and m==1:
print(1)
exit()
if n*m%2==0:
print(m*n//2)
else:
print(m*n//2+1)
| n,m=map(int,input().split())
import math
if n==1 or m==1:
print(1)
exit()
if n*m%2==0:
print(m*n//2)
else:
print(m*n//2+1)
| [
"control_flow.branch.if.condition.change"
] | 520,634 | 520,635 | u469953228 | python |
p02742 | h,w = map(int,input().split())
if h%2==0:
ans = (h//2)*w
else:
ans = (h//2)*w + (h%2)*(w//2+1)
if h==1 or w==1:
ans = 1
print(ans) | h,w = map(int,input().split())
if h%2==0:
ans = (h//2)*w
else:
ans = (h//2)*w + (h%2)*(w//2+(w%2))
if h==1 or w==1:
ans = 1
print(ans) | [
"assignment.value.change",
"expression.operation.binary.change"
] | 520,636 | 520,637 | u089376182 | python |
p02742 | def main():
H, W = map(int, input().split())
if H == 1 or W == 1:
print(0)
else:
print(-(-H*W // 2))
if __name__ == "__main__":
main()
| def main():
H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
else:
print(-(-H*W // 2))
if __name__ == "__main__":
main() | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,666 | 520,667 | u024383312 | python |
p02742 | h,w = (int(i) for i in input().split())
q_h,mod_h = divmod(h,2)
if h == 1:
print(1)
elif mod_h == 0:
print(w * q_h)
else:
q_w,mod_w = divmod(w,2)
if mod_w == 0:
print(w * q_h + q_w)
else:
print(w * q_h + q_w + 1) | h,w = (int(i) for i in input().split())
q_h,mod_h = divmod(h,2)
if h == 1 or w == 1:
print(1)
elif mod_h == 0:
print(w * q_h)
else:
q_w,mod_w = divmod(w,2)
if mod_w == 0:
print(w * q_h + q_w)
else:
print(w * q_h + q_w + 1) | [
"control_flow.branch.if.condition.change"
] | 520,678 | 520,679 | u833416137 | python |
p02742 | H,W=map(int,input().split())
if H==1 or W==1:
print(0)
else:
if H==2 and W==2:
print(1)
else:
if H*W%2==0:
print(H*W//2)
else:
print((H*W+1)//2) | H,W=map(int,input().split())
if H==1 or W==1:
print(1)
else:
if H==2 and W==2:
print(2)
else:
if H*W%2==0:
print(H*W//2)
else:
print((H*W+1)//2) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,682 | 520,683 | u141574039 | python |
p02742 | H, W = map(int, input().split())
if H == 1 or W == 1:
print (0)
else:
if H*W%2 == 0:
print (H*W//2)
else:
print (H*W//2+1) | H, W = map(int, input().split())
if H == 1 or W == 1:
print (1)
else:
if H*W%2 == 0:
print (H*W//2)
else:
print (H*W//2+1) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,712 | 520,713 | u375477204 | python |
p02742 | from math import sqrt
a,b=map(int,input().split())
if(a==1 or b==1):
print('1')
if(a%2==0):
a//=2
print(a*b)
elif(b%2==0):
b//=2
print(a*b)
else:
print(a*b//2+(a*b)%2) | from math import sqrt
a,b=map(int,input().split())
if(a==1 or b==1):
print('1')
exit()
if(a%2==0):
a//=2
print(a*b)
elif(b%2==0):
b//=2
print(a*b)
else:
print((a*b)//2+(a*b)%2) | [
"call.add",
"call.arguments.change"
] | 520,716 | 520,717 | u295361373 | python |
p02742 | s = input().split()
H = int(s[0])
W = int(s[1])
if H == 1 or W == 1:
print(1)
else:
ret = (H//2) * W + (H%2) * (W // 2 + 1 )
print(ret) | s = input().split()
H = int(s[0])
W = int(s[1])
if H == 1 or W == 1:
print(1)
else:
ret = (H//2) * W + (H%2) * ((W+1) // 2)
print(ret) | [
"expression.operation.binary.remove"
] | 520,725 | 520,726 | u919242376 | python |
p02742 | H,W=map(int,input().split())
print(((W+1)//2)*((H+1)//2)+(H//2)*(W//2) if H!=1 and W!=1 else 0) | H,W=map(int,input().split())
print(((W+1)//2)*((H+1)//2)+(H//2)*(W//2) if H!=1 and W!=1 else 1) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,729 | 520,730 | u477062848 | python |
p02742 | h , w = map(int, input().split())
if h == 1 or w == 1: exit(print(1))
a1 = h//2 + 1 if h % 2 != 0 else h//2
a2 = h - a1
a3 = w//2 + 1 if h%2!=0 else w//2
a4 = w - a3
ans = a1*a3 + a2*a4
print(ans) | h , w = map(int, input().split())
if h == 1 or w == 1: exit(print(1))
a1 = h//2 + 1 if h % 2 != 0 else h//2
a2 = h - a1
a3 = w//2 + 1 if w%2!=0 else w//2
a4 = w - a3
#print(a1 , a2 , a3,a4)
ans = a1*a3 + a2*a4
print(ans) | [
"assignment.value.change",
"identifier.change",
"expression.operation.binary.change"
] | 520,739 | 520,740 | u733581231 | python |
p02742 | h, w = map(int, input().split())
a = h*w
if h == 1 or w == 1:
print(0)
elif a % 2 == 0:
print(a//2)
else:
print((a+1)//2)
| h, w = map(int, input().split())
a = h*w
if h == 1 or w == 1:
print(1)
elif a % 2 == 0:
print(a//2)
else:
print((a+1)//2)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,741 | 520,742 | u296101474 | python |
p02742 | h, w = map(int,input().split())
if h == 1 or w == 1:
print(1)
if h%2 == 1 and w%2 == 1:
print((h*w+1)//2)
else:
print(h*w//2) | h, w = map(int,input().split())
if h == 1 or w == 1:
print(1)
elif h%2 == 1 and w%2 == 1:
print((h*w+1)//2)
else:
print(h*w//2) | [
"control_flow.branch.if.replace.remove",
"control_flow.branch.else_if.replace.add"
] | 520,764 | 520,763 | u735891571 | python |
p02742 | import math
h,w=map(int,input().split())
d,m=divmod(h,2)
if h == 1:
print(1)
exit()
print(d*(math.ceil(w/2)+math.floor(w/2))+math.ceil(w/2)*m)
| import math
h,w=map(int,input().split())
d,m=divmod(h,2)
if h==1 or w==1:
print(1)
exit()
print(d*(math.ceil(w/2)+math.floor(w/2))+math.ceil(w/2)*m)
| [
"control_flow.branch.if.condition.change"
] | 520,765 | 520,766 | u027929618 | python |
p02742 | h,w=list(map(int,input().split()))
if h==1 or w==1:
print(1)
print(h//2*w+(h%2)*((w+1)//2)) | h,w=list(map(int,input().split()))
if h==1 or w==1:
print(1)
else:
print(h//2*w+(h%2)*((w+1)//2)) | [] | 520,767 | 520,768 | u860829879 | python |
p02742 | h, w = map(int, input().split())
if h == 1 or w == 1:
c == 1
elif h & 1:
if w & 1:
c = ((h + 1) // 2) * ((w + 1) // 2) + (h // 2) * (w // 2)
else:
c = (((h + 1) // 2) + (h // 2)) * (w // 2)
else:
c = (h // 2) * w
print(c)
| h, w = map(int, input().split())
if h == 1 or w == 1:
c = 1
elif h & 1:
if w & 1:
c = ((h + 1) // 2) * ((w + 1) // 2) + (h // 2) * (w // 2)
else:
c = (((h + 1) // 2) + (h // 2)) * (w // 2)
else:
c = (h // 2) * w
print(c)
| [
"expression.operation.compare.replace.remove",
"assignment.replace.add",
"misc.typo"
] | 520,774 | 520,775 | u277312083 | python |
p02742 | from math import ceil
H, W = map(int, input().split())
if (H == 1) or (W == 1):
print(0)
exit()
x1 = ceil(W / 2)
x2 = W // 2
print(int(ceil(H / 2) * x1 + H // 2 * x2))
| from math import ceil
H, W = map(int, input().split())
if (H == 1) or (W == 1):
print(1)
exit()
x1 = ceil(W / 2)
x2 = W // 2
print(int(ceil(H / 2) * x1 + H // 2 * x2))
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,776 | 520,777 | u075012704 | python |
p02742 | H, W = map(int, input().split())
a = W // 2 + W % 2
b = W // 2
c = H // 2
d = H % 2
if H == 1 or W == 1:
print(0)
else:
print(c * (a + b) + d * a) | H, W = map(int, input().split())
a = W // 2 + W % 2
b = W // 2
c = H // 2
d = H % 2
if H == 1 or W == 1:
print(1)
else:
print(c * (a + b) + d * a) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,782 | 520,783 | u451017206 | python |
p02742 |
hi, wd = map(int, input().split())
# いずれかが１の場合
if hi==1 or wd ==1:
print(0)
exit()
# heightまたはwidthが偶数だった場合
if hi%2 == 0 or wd%2 == 0:
print(hi*wd//2)
else:
print(hi*wd//2 + 1)
|
hi, wd = map(int, input().split())
# いずれかが１の場合
if hi==1 or wd ==1:
print(1)
exit()
# heightまたはwidthが偶数だった場合
if hi%2 == 0 or wd%2 == 0:
print(hi*wd//2)
else:
print(hi*wd//2 + 1)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,815 | 520,816 | u209299893 | python |
p02742 |
hi, wd = map(int, input().split())
# いずれかが１の場合
if hi==1 or wd ==1:
print(0)
# heightまたはwidthが偶数だった場合
if hi%2 == 0 or wd%2 == 0:
print(hi*wd//2)
else:
print(hi*wd//2 + 1)
|
hi, wd = map(int, input().split())
# いずれかが１の場合
if hi==1 or wd ==1:
print(1)
exit()
# heightまたはwidthが偶数だった場合
if hi%2 == 0 or wd%2 == 0:
print(hi*wd//2)
else:
print(hi*wd//2 + 1)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change",
"call.add"
] | 520,817 | 520,816 | u209299893 | python |
p02742 |
hi, wd = map(int, input().split())
# いずれかが１の場合
if hi==1 or wd ==1:
print(1)
# heightまたはwidthが偶数だった場合
if hi%2 == 0 or wd%2 == 0:
print(hi*wd//2)
else:
print(hi*wd//2 + 1)
|
hi, wd = map(int, input().split())
# いずれかが１の場合
if hi==1 or wd ==1:
print(1)
exit()
# heightまたはwidthが偶数だった場合
if hi%2 == 0 or wd%2 == 0:
print(hi*wd//2)
else:
print(hi*wd//2 + 1)
| [
"call.add"
] | 520,818 | 520,816 | u209299893 | python |
p02742 | H,W=map(int,input().split())
if H==1 or W==1:
print(0)
elif H%2==0 and W%2==0:
print((H*W)//2)
elif H%2==1 and W%2==0:
print(H*(W//2))
elif H%2==0 and W%2==1:
print((H//2)*W)
else:
print((H*W)//2+1)
| H,W=map(int,input().split())
if H==1 or W==1:
print(1)
elif H%2==0 and W%2==0:
print((H*W)//2)
elif H%2==1 and W%2==0:
print(H*(W//2))
elif H%2==0 and W%2==1:
print((H//2)*W)
else:
print((H*W)//2+1)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 520,837 | 520,838 | u114954806 | python |
p02742 | h,w=map(int,input().split())
if h==1:
print(1)
elif h*w%2==0:
print(h*w//2)
else:
print(int((h*w+2-1)/2)) | h,w=map(int,input().split())
if h==1or w==1:
print(1)
elif h*w%2==0:
print(h*w//2)
else:
print(int((h*w+2-1)/2)) | [
"control_flow.branch.if.condition.change"
] | 520,841 | 520,842 | u731362892 | python |
p02742 | w, h = map(int,input().split())
if w == 1 or h == 1:
print(0)
exit()
if w * h % 2 == 0:
print(w * h // 2)
else:
a = w // 2 + 1
s = a * (h // 2 + 1)
b = w // 2
s2 = b * (h //2)
print(s + s2) | w, h = map(int,input().split())
if w == 1 or h == 1:
print(1)
exit()
if (w * h) % 2 == 0:
print(w * h // 2)
else:
a = w // 2 + 1
s = a * (h // 2 + 1)
b = w // 2
s2 = b * (h //2)
print(s + s2) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change",
"control_flow.branch.if.condition.change"
] | 520,847 | 520,848 | u634046173 | python |
p02742 | import sys
def input():
return sys.stdin.readline()[:-1]
H,W = map(int,input().split(' '))
A = -(-W//2)
if W==1 or H==1:
print(1)
exit()
if H%2==0:
print(W*H//2)
else:
print(A)
print(W*(H-1)//2+A) | import sys
def input():
return sys.stdin.readline()[:-1]
H,W = map(int,input().split(' '))
A = -(-W//2)
if W==1 or H==1:
print(1)
exit()
if H%2==0:
print(W*H//2)
else:
print(W*(H-1)//2+A) | [
"call.remove"
] | 520,916 | 520,917 | u598720217 | python |
p02742 | import sys
def input():
return sys.stdin.readline()[:-1]
H,W = map(int,input().split(' '))
A = W//2+1
if W==1 or H==1:
print(1)
exit()
if H%2==0:
print(W*H//2)
else:
print(W*(H-1)//2+A) | import sys
def input():
return sys.stdin.readline()[:-1]
H,W = map(int,input().split(' '))
A = -(-W//2)
if W==1 or H==1:
print(1)
exit()
if H%2==0:
print(W*H//2)
else:
print(W*(H-1)//2+A) | [
"assignment.value.change",
"expression.operation.binary.change"
] | 520,918 | 520,917 | u598720217 | python |
p02742 | h,w = (int(x) for x in input().split())
if h != 1 and w != 1:
num = ((w // 2) + (w % 2))*( (h // 2) + ( h% 2) ) + ((w // 2) + (w % 2)-(w%2))*( (h // 2) + (h%2) -(h%2))
print(num) | h,w = (int(x) for x in input().split())
num = 1
if h != 1 and w != 1:
num = ((w // 2) + (w % 2))*( (h // 2) + ( h% 2) ) + ((w // 2) + (w % 2)-(w%2))*( (h // 2) + (h%2) -(h%2))
print(num) | [
"assignment.add"
] | 520,922 | 520,923 | u250828304 | python |
p02742 | def resolve():
a, b = map(int, input().split())
if a ==1 or b==1:
print(1)
print((a*b+1)//2)
resolve() | def resolve():
a, b = map(int, input().split())
if a ==1 or b==1:
print(1)
exit()
print((a*b+1)//2)
resolve() | [
"call.add"
] | 520,949 | 520,950 | u793868662 | python |
p02742 | def resolve():
a, b = map(int, input().split())
if a ==1 or b==1:
print(0)
print((a*b+1)//2)
resolve() | def resolve():
a, b = map(int, input().split())
if a ==1 or b==1:
print(1)
exit()
print((a*b+1)//2)
resolve() | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change",
"call.add"
] | 520,951 | 520,950 | u793868662 | python |
p02742 | h,w=map(int,input().split())
if (h==1 and w!=1) or (h==1 and w!=1):
print(1)
else:
m=h*w
print((m+2-1)//2) | h,w=map(int,input().split())
if (h==1 and w!=1) or (h!=1 and w==1):
print(1)
else:
m=h*w
print((m+2-1)//2) | [
"misc.opposites",
"expression.operator.compare.change",
"control_flow.branch.if.condition.change"
] | 520,972 | 520,973 | u079022116 | python |
p02742 | import sys
int1 = lambda x: int(x) - 1
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(500000)
H, W = map(int, read().split())
if min(H, W) == 1:
print(0)
elif (H % 2 == 1) & (W % 2 == 1):
print((H * W + 1) // 2)
else:
print(H ... | import sys
int1 = lambda x: int(x) - 1
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(500000)
H, W = map(int, read().split())
if min(H, W) == 1:
print(1)
elif (H % 2 == 1) & (W % 2 == 1):
print((H * W + 1) // 2)
else:
print(H ... | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,017 | 521,018 | u961683878 | python |
p02742 | h,w=map(int,input().split())
if h or w ==1:
print(1)
else:
if h%2==0:
hk=h//2
hg=h//2
else:
hk=h//2+1
hg=h//2
if w%2==0:
wk=w//2
wg=w//2
else:
wk=w//2+1
wg=w//2
print((hk*wk)+(hg*wg)) | h,w=map(int,input().split())
if h ==1 or w==1:
print(1)
else:
if h%2==0:
hk=h//2
hg=h//2
else:
hk=h//2+1
hg=h//2
if w%2==0:
wk=w//2
wg=w//2
else:
wk=w//2+1
wg=w//2
print((hk*wk)+(hg*wg)) | [
"control_flow.branch.if.condition.change"
] | 521,021 | 521,022 | u239653493 | python |
p02742 | h,w = list(map(int,input().split(' ')))
kisuu = (w+1)//2
guusuu = w//2
tate_kisuu = (h+1)//2
tate_guusuu = h//2
res = kisuu*tate_kisuu+guusuu*tate_guusuu
if(h==1)or(w==1):
res = 0
print(res)
| h,w = list(map(int,input().split(' ')))
kisuu = (w+1)//2
guusuu = w//2
tate_kisuu = (h+1)//2
tate_guusuu = h//2
res = kisuu*tate_kisuu+guusuu*tate_guusuu
if(h==1)or(w==1):
res = 1
print(res)
| [
"literal.number.integer.change",
"assignment.value.change"
] | 521,028 | 521,029 | u680046686 | python |
p02742 | n, m = map(int, input().split())
if n == 1:
print(1)
else:
r = (n * m) // 2
if (n * m) % 2 == 0:
print(r)
else:
print(r+1)
| n, m = map(int, input().split())
if n == 1 or m == 1:
print(1)
else:
r = (n * m) // 2
if (n * m) % 2 == 0:
print(r)
else:
print(r+1) | [
"control_flow.branch.if.condition.change"
] | 521,030 | 521,031 | u480755260 | python |
p02742 | H,W = map(int,input().split())
import sys
a = (W+1)//2+(W//2)
if H == 1 or W == 1:
print(0)
sys.exit()
if H%2 == 0:
print(a*(H//2))
else:
print(a*(H//2)+(W+1)//2) | H,W = map(int,input().split())
import sys
a = (W+1)//2+(W//2)
if H == 1 or W == 1:
print(1)
sys.exit()
if H%2 == 0:
print(a*(H//2))
else:
print(a*(H//2)+(W+1)//2) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,034 | 521,035 | u698919163 | python |
p02742 | H,W = map(int,input().split())
import sys
a = (W+1)//2+(W//2)
if H == 1 and W == 1:
print(0)
sys.exit()
if H%2 == 0:
print(a*(H//2))
else:
print(a*(H//2)+(W+1)//2) | H,W = map(int,input().split())
import sys
a = (W+1)//2+(W//2)
if H == 1 or W == 1:
print(1)
sys.exit()
if H%2 == 0:
print(a*(H//2))
else:
print(a*(H//2)+(W+1)//2) | [
"control_flow.branch.if.condition.change",
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,036 | 521,035 | u698919163 | python |
p02742 | h, w = input().split()
h = int(h)
w = int(w)
if h == 1 or w == 1:
print(1)
s = h * w
if s % 2:
print(s//2+1)
else:
print(s//2) | h, w = input().split()
h = int(h)
w = int(w)
if h == 1 or w == 1:
print(1)
exit()
s = h * w
if s % 2:
print(s//2+1)
else:
print(s//2) | [
"call.add"
] | 521,041 | 521,042 | u197610362 | python |
p02742 | def main():
h, w = map(int, input().split())
if h == 1:
print(1)
return 0
ans = 0
if w&1:
ans += w * (h//2)
if h % 2 == 1:
ans += (w+1)//2
else:
ans += h*(w//2)
print(ans)
main()
| def main():
h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
return 0
ans = 0
if w&1:
ans += w * (h//2)
if h % 2 == 1:
ans += (w+1)//2
else:
ans += h*(w//2)
print(ans)
main()
| [
"control_flow.branch.if.condition.change"
] | 521,064 | 521,065 | u813098295 | python |
p02742 | h, w = map(int, input().split())
if h == 1 or w == 1:
print(0)
elif h % 2 == 1 and w % 2 == 1:
print(h * w // 2 + 1)
else:
print(h * w // 2)
| h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
elif h % 2 == 1 and w % 2 == 1:
print(h * w // 2 + 1)
else:
print(h * w // 2)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,116 | 521,117 | u878849567 | python |
p02742 | H, W = map(int, input().split())
if H == 1 or W == 1:
print('1')
a = H // 2 + H % 2
if H % 2 == 0:
b = a * W
print(b)
else:
b = a * (W // 2 + W % 2) + (a - 1) * (W // 2)
print(b) | H, W = map(int, input().split())
if H == 1 or W == 1:
print('1')
else:
a = H // 2 + H % 2
if H % 2 == 0:
b = a * W
print(b)
else:
b = a * (W // 2 + W % 2) + (a - 1) * (W // 2)
print(b) | [] | 521,124 | 521,125 | u761720628 | python |
p02742 | n,m = map(int,input().split())
ans = n*m
if n == 1 or m == 1:
print('1')
elif ans%2 ==0:
ans=ans//2
else:
ans=ans//2
ans+=1
print(ans)
| n,m = map(int,input().split())
ans = n*m
if n == 1 or m == 1:
print('1')
elif ans%2 ==0:
ans=ans//2
print(ans)
else:
ans=ans//2
ans+=1
print(ans)
| [
"call.add"
] | 521,136 | 521,137 | u175694641 | python |
p02742 | h, w = map(int, input().split())
if w == 1 or h == 1:
print(1)
if w % 2 == 1 and h % 2 == 1:
print(w * h // 2 + 1)
else:
print(w * h // 2)
| h, w = map(int, input().split())
if w == 1 or h == 1:
print(1)
exit(0)
if w % 2 == 1 and h % 2 == 1:
print(w * h // 2 + 1)
else:
print(w * h // 2)
| [
"call.add"
] | 521,150 | 521,151 | u974792613 | python |
p02742 | H, W = map(int,input().split())
if H != 0 and W != 0:
print( ((W+1)//2) * ((H+1)//2) + ((W//2) * (H//2)))
else:
print(1) | H, W = map(int,input().split())
if H != 1 and W != 1:
print( ((W+1)//2) * ((H+1)//2) + ((W//2) * (H//2)))
else:
print(1) | [
"literal.number.integer.change",
"control_flow.branch.if.condition.change"
] | 521,152 | 521,153 | u003019316 | python |
p02742 | h, w = map(int, input().split())
ans = 0
ans += (h // 2) * (w // 2) * 2
if h % 2 != 0:
ans += w // 2
if w % 2 != 0:
ans += h // 2
if h % 2 != 0 and w % 2 != 0:
ans += 1
if h == 1 or w == 1:
ans = 0
print(ans) | h, w = map(int, input().split())
ans = 0
ans += (h // 2) * (w // 2) * 2
if h % 2 != 0:
ans += w // 2
if w % 2 != 0:
ans += h // 2
if h % 2 != 0 and w % 2 != 0:
ans += 1
if h == 1 or w == 1:
ans = 1
print(ans) | [
"literal.number.integer.change",
"assignment.value.change"
] | 521,174 | 521,175 | u514390882 | python |
p02742 | import math
H, W = map(int, input().split())
if H == 1 or W == 1:
print("1")
else:
print(math.ceil(W / 2) * math.ceil(H / 2) + W // 2 * H // 2) | import math
H, W = map(int, input().split())
if H == 1 or W == 1:
print("1")
else:
print(math.ceil(W / 2) * math.ceil(H / 2) + (W // 2) * (H // 2)) | [
"call.arguments.change"
] | 521,178 | 521,179 | u981931040 | python |
p02742 | #!/usr/bin/env python
def main():
h, w = map(int, input().split())
hw = h * w
if h == 1 or w == 1:
print(0)
else:
if hw % 2 == 0:
print(hw // 2)
else:
print(hw // 2 + 1)
if __name__ == '__main__':
main()
| #!/usr/bin/env python
def main():
h, w = map(int, input().split())
hw = h * w
if h == 1 or w == 1:
print(1)
else:
if hw % 2 == 0:
print(hw // 2)
else:
print(hw // 2 + 1)
if __name__ == '__main__':
main()
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,184 | 521,185 | u399155892 | python |
p02742 | # B - Bishop
def main():
H, W = map(int, input().split())
if min(H, W) == 1:
print(0)
else:
ans = (H * W + 1) // 2
print(ans)
if __name__ == "__main__":
main()
| # B - Bishop
def main():
H, W = map(int, input().split())
if min(H, W) == 1:
print(1)
else:
ans = (H * W + 1) // 2
print(ans)
if __name__ == "__main__":
main()
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,202 | 521,203 | u077291787 | python |
p02742 | import sys
input = lambda: sys.stdin.readline().rstrip()
input_nums = lambda: list(map(int, input().split()))
H, W = input_nums()
horizontal = 0
ans = 0
if W % 2 == 0:
horizontal = W // 2
ans = horizontal * H
else:
horizontal = W // 2 + 1
if H % 2 == 0:
ans = ((horizontal * 2) - 1) * (H // 2)... | import sys
input = lambda: sys.stdin.readline().rstrip()
input_nums = lambda: list(map(int, input().split()))
H, W = input_nums()
horizontal = 0
ans = 0
if W % 2 == 0:
horizontal = W // 2
ans = horizontal * H
else:
horizontal = W // 2 + 1
if H % 2 == 0:
ans = ((horizontal * 2) - 1) * (H // 2)... | [
"control_flow.branch.if.condition.change"
] | 521,204 | 521,205 | u638902622 | python |
p02742 | def solve():
h, w = list(map(int, input().split()))
if w == 1 or h == 1:
print(0)
return
_odd = ((w + 1) // 2) * ((h + 1) // 2)
_even = (w // 2) * (h // 2)
print(_odd + _even)
if __name__ == "__main__":
solve() | def solve():
h, w = list(map(int, input().split()))
if w == 1 or h == 1:
print(1)
return
_odd = ((w + 1) // 2) * ((h + 1) // 2)
_even = (w // 2) * (h // 2)
print(_odd + _even)
if __name__ == "__main__":
solve() | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,216 | 521,217 | u646818123 | python |
p02742 | h, w = map(int, input().split())
if h == 1 and w == 1:
print(1)
else:
import math
h_odds = math.ceil(h / 2)
h_evens = h // 2
w_odds = math.ceil(w / 2)
w_evens = w // 2
print(h_odds * w_evens + h_evens * w_odds)
| h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
else:
import math
h_odds = math.ceil(h / 2)
h_evens = h // 2
w_odds = math.ceil(w / 2)
w_evens = w // 2
print(h_odds * w_odds + h_evens * w_evens)
| [
"control_flow.branch.if.condition.change",
"identifier.change",
"call.arguments.change",
"expression.operation.binary.change",
"io.output.change"
] | 521,236 | 521,237 | u470542271 | python |
p02742 | h,w=map(int,input('').split(' '))
masu=0
masu=masu+(w*(h//2))
if h%2==1:
if w%2==1:
masu=masu+(w//2)+1
else:
masu=masu+(w//2)
if h==1 and w==1:
masu=0
print(masu) | h,w=map(int,input('').split(' '))
masu=0
masu=masu+(w*(h//2))
if h%2==1:
if w%2==1:
masu=masu+(w//2)+1
else:
masu=masu+(w//2)
if h==1 or w==1:
masu=1
print(masu) | [
"control_flow.branch.if.condition.change",
"literal.number.integer.change",
"assignment.value.change"
] | 521,238 | 521,239 | u283683979 | python |
p02742 | h, w = list(map(int, input().split()))
if h != 1 or w != 1:
print((h * w + 1) // 2)
else:
print(1)
| h, w = list(map(int, input().split()))
if h != 1 and w != 1:
print((h * w + 1) // 2)
else:
print(1)
| [
"control_flow.branch.if.condition.change"
] | 521,271 | 521,272 | u760642788 | python |
p02742 |
def submit():
h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
even_c = sum(divmod(w, 2))
odd_c = w // 2
even_row = sum(divmod(h, 2)) * even_c
odd_row = (h // 2) * odd_c
print(even_row + odd_row)
if __name__ == "__main__":
submit()
|
def submit():
h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
return
even_c = sum(divmod(w, 2))
odd_c = w // 2
even_row = sum(divmod(h, 2)) * even_c
odd_row = (h // 2) * odd_c
print(even_row + odd_row)
if __name__ == "__main__":
submit()
| [
"control_flow.return.add"
] | 521,281 | 521,282 | u655834330 | python |
p02742 | H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
exit()
if H % 2 == 0 or W % 2 == 0:
print(H * W / 2)
else:
print(H * (W // 2) + H // 2 + 1)
| H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
exit()
if H % 2 == 0 or W % 2 == 0:
print(H * W // 2)
else:
print(H * (W // 2) + H // 2 + 1)
| [
"expression.operator.arithmetic.change",
"call.arguments.change",
"expression.operation.binary.change",
"io.output.change"
] | 521,283 | 521,284 | u068944955 | python |
p02742 | h,w=map(int,input().split())
if(h!=1 and w!=1):
print((h*w+1)//2)
else:
print(0) | h,w=map(int,input().split())
if(h!=1 and w!=1):
print((h*w+1)//2)
else:
print(1) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,311 | 521,312 | u965840662 | python |
p02742 | H, W = map(int, input().split())
if H == 1 or W == 1:
print(0)
elif (H * W) % 2 == 0:
print((H * W) // 2)
else:
print((H * W) // 2 + 1)
| H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
elif (H * W) % 2 == 0:
print((H * W) // 2)
else:
print((H * W) // 2 + 1)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,315 | 521,316 | u463858127 | python |
p02742 | H, W = map(int, input().split())
if H == 1 or W == 1:
print(0)
if (H * W) % 2 == 0:
print((H * W) // 2)
else:
print((H * W) // 2 + 1)
| H, W = map(int, input().split())
if H == 1 or W == 1:
print(1)
elif (H * W) % 2 == 0:
print((H * W) // 2)
else:
print((H * W) // 2 + 1)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change",
"control_flow.branch.if.replace.remove",
"control_flow.branch.else_if.replace.add"
] | 521,317 | 521,316 | u463858127 | python |
p02742 | from sys import stdin
def main():
input = stdin.readline
H,W = map(int,input().split())
ans = H * W
if H == 1 or W == 1:
print("0")
elif ans % 2 == 0:
print(ans//2)
else:
print(ans//2+1)
if __name__ == "__main__":
main() | from sys import stdin
def main():
input = stdin.readline
H,W = map(int,input().split())
ans = H * W
if H == 1 or W == 1:
print("1")
elif ans % 2 == 0:
print(ans//2)
else:
print(ans//2+1)
if __name__ == "__main__":
main() | [
"literal.string.change",
"call.arguments.change",
"io.output.change"
] | 521,328 | 521,329 | u727717182 | python |
p02742 | a,b=map(int,input().split())
if a==1 or b==1:
print(0)
else:
print((a*b+1)//2) | a,b=map(int,input().split())
if a==1 or b==1:
print(1)
else:
print((a*b+1)//2) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,340 | 521,341 | u375695365 | python |
p02742 | h, w = map(int, input().split())
if h == 1 or w == 1:
print(0)
elif (h * w) % 2 == 1:
print((h * w + 1) // 2)
else:
print((h * w) // 2)
| h, w = map(int, input().split())
if h == 1 or w == 1:
print(1)
elif (h * w) % 2 == 1:
print((h * w + 1) // 2)
else:
print((h * w) // 2)
| [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,350 | 521,351 | u079427319 | python |
p02742 | H,W=map(int,input().split())
if H==1 or W==1:
print(0)
exit(0)
if W%2==0:
w=W//2
ans=w*H
else:
w=W//2 + 1
ans=w*H
ans-=H//2
print(ans) | H,W=map(int,input().split())
if H==1 or W==1:
print(1)
exit(0)
if W%2==0:
w=W//2
ans=w*H
else:
w=W//2 + 1
ans=w*H
ans-=H//2
print(ans) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,362 | 521,363 | u204616996 | python |
p02742 | a=input().split(" ")
b=int(a[0])*int(a[1])
if int(a[0])==1 or int(a[1])==1:
print(0)
else:
if b%2==0:
print(b//2)
else:
print(b//2+1) | a=input().split(" ")
b=int(a[0])*int(a[1])
if int(a[0])==1 or int(a[1])==1:
print(1)
else:
if b%2==0:
print(b//2)
else:
print(b//2+1) | [
"literal.number.integer.change",
"call.arguments.change",
"io.output.change"
] | 521,381 | 521,382 | u460229551 | python |
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