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 9
values |
|---|---|---|---|---|---|---|---|
p02836
|
s = input()
l = len(s)
c = 0
for i in range(l//2):
if s[i] == s[l-i-1]:
c+=1
print(c)
|
s = input()
l = len(s)
c = 0
for i in range(l//2):
if s[i] != s[l-i-1]:
c+=1
print(c)
|
[
"misc.opposites",
"expression.operator.compare.change",
"control_flow.branch.if.condition.change"
] | 640,706
| 640,707
|
u332066938
|
python
|
p02836
|
S=input()
S=list(S)
count=0
for i in range(len(S)//2):
if S[i]!=S[-(i+1)]:
count = cunt+1
print(count)
|
S=input()
S=list(S)
count=0
for i in range(len(S)//2):
if S[i]!=S[-(i+1)]:
count = count+1
print(count)
|
[
"assignment.value.change",
"identifier.change",
"expression.operation.binary.change"
] | 640,708
| 640,709
|
u247291356
|
python
|
p02836
|
S=input()
num=0
for i in range(len(S)//2):
if S[i]!=S[-i]:
num+=1
print(num)
|
S=input()
num=0
for i in range(len(S)//2):
if S[i]!=S[-(i+1)]:
num+=1
print(num)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 640,724
| 640,725
|
u782616557
|
python
|
p02836
|
S=input()[:-1]
ans=0
for f,r in zip(S,reversed(S)):
if f==r:
continue
else:
ans+=1
print(ans//2)
|
S=input()
ans=0
for f,r in zip(S,reversed(S)):
if f==r:
continue
else:
ans+=1
print(ans//2)
|
[] | 640,726
| 640,727
|
u375616706
|
python
|
p02836
|
S = input()
c = 0
for n in range(len(S)//1):
if(S[n] != S[-n-1]):
c = c + 1
print(c)
|
S = input()
c = 0
for n in range(len(S)//2):
if(S[n] != S[-n-1]):
c = c + 1
print(c)
|
[
"literal.number.integer.change",
"call.arguments.change",
"expression.operation.binary.change",
"control_flow.loop.range.bounds.upper.change"
] | 640,739
| 640,740
|
u546157297
|
python
|
p02836
|
S = input()
c = 0
for n in range(len(S)//2):
if(S[n] != S[-n]):
c = c + 1
print(c)
|
S = input()
c = 0
for n in range(len(S)//2):
if(S[n] != S[-n-1]):
c = c + 1
print(c)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one"
] | 640,741
| 640,740
|
u546157297
|
python
|
p02836
|
str = input()
count = 0
for i in range(len(str)):
if str[i] != str[len(str)-1-1]:
count += 1
print(count/2)
|
str = input()
count = 0
for i in range(len(str)):
if str[i] != str[len(str)-1-i]:
count += 1
print(int(count/2))
|
[
"identifier.replace.add",
"literal.replace.remove",
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change",
"call.add",
"call.arguments.change"
] | 640,744
| 640,745
|
u870114934
|
python
|
p02836
|
str = input
count = 0
for i in range(len(str)):
if str[i] != str[len(str)-1-1]:
count += 1
print(count/2)
|
str = input()
count = 0
for i in range(len(str)):
if str[i] != str[len(str)-1-i]:
count += 1
print(int(count/2))
|
[
"call.add",
"identifier.replace.add",
"literal.replace.remove",
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change",
"call.arguments.change"
] | 640,746
| 640,745
|
u870114934
|
python
|
p02836
|
S = input().strip()
l=int(len(S))
count=0
for i in range(l):
if S[i] !=S[l-i-1]:
count = count+1
print(count)
|
S = input().strip()
l=int(len(S))
count=0
for i in range(l//2):
if S[i] !=S[l-i-1]:
count = count+1
print(count)
|
[
"control_flow.loop.range.bounds.upper.change",
"expression.operation.binary.add"
] | 640,757
| 640,758
|
u799635973
|
python
|
p02836
|
bun = inputs[0]
nub = list(reversed(bun))
n = int(len(bun) / 2)
i = hug = 0
while i < n:
if bun[i] != nub[i]:
hug += 1
i += 1
print(hug)
|
bun = input()
nub = list(reversed(bun))
n = int(len(bun) / 2)
i = hug = 0
while i < n:
if bun[i] != nub[i]:
hug += 1
i += 1
print(hug)
|
[] | 640,761
| 640,762
|
u781262926
|
python
|
p02836
|
bun = input()
nub = reversed(S)
n = int(len(S) / 2)
i = hug = 0
while i < n:
if bun[i] != nub[i]:
hug += 1
i += 1
print(hug)
|
bun = input()
nub = list(reversed(bun))
n = int(len(bun) / 2)
i = hug = 0
while i < n:
if bun[i] != nub[i]:
hug += 1
i += 1
print(hug)
|
[
"call.add",
"assignment.value.change",
"identifier.change",
"call.arguments.change",
"expression.operation.binary.change"
] | 640,763
| 640,762
|
u781262926
|
python
|
p02836
|
def read():
S = input().strip()
print(S,)
return S,
def solve(S):
harf = len(S) // 2
count = 0
for i in range(harf):
if S[i] != S[len(S) - 1 - i]:
count += 1
return count
if __name__ == '__main__':
inputs = read()
print("%d" % solve(*inputs))
|
def read():
S = input().strip()
return S,
def solve(S):
harf = len(S) // 2
count = 0
for i in range(harf):
if S[i] != S[len(S) - 1 - i]:
count += 1
return count
if __name__ == '__main__':
inputs = read()
print("%d" % solve(*inputs))
|
[
"call.remove"
] | 640,766
| 640,767
|
u826331398
|
python
|
p02836
|
S = input().split()
p=len(S)
t=0
for n in range(p):
if S[n]!=S[p-n-1]:
t+=1
print(int(t/2))
|
S = list(input())
p=len(S)
t=0
for n in range(p):
if S[n]!=S[p-n-1]:
t+=1
print(int(t/2))
|
[
"call.add",
"call.remove"
] | 640,768
| 640,769
|
u357230322
|
python
|
p02836
|
S = input().split()
p=len(S)
t=0
for n in range(p):
if S[n]!=S[p-n-1]:
t+=1
print(int(t/2))
|
S = input()
p=len(S)
t=0
for n in range(p):
if S[n]!=S[p-n-1]:
t+=1
print(int(t/2))
|
[
"call.remove"
] | 640,768
| 640,770
|
u357230322
|
python
|
p02836
|
S = input()
Slist = []
for i in range(len(S)):
Slist.append(S[i])
count = 0
for i in range(len(S)//2):
if Slist[i] != Slist[-i]:
count +=1
print(count)
|
S = input()
Slist = []
for i in range(len(S)):
Slist.append(S[i])
count = 0
##print(len(S))
for i in range(len(S)//2):
##print(Slist[i],Slist[-i-1])
if Slist[i] != Slist[len(S)-1-i]:
count +=1
print(count)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 640,775
| 640,776
|
u902453631
|
python
|
p02836
|
S=input()
n=0
if len(S)%2==0:
for i in range (0,int(len(S))/2):
if S[i]!=S[-i-1]:
n+=1
else:
for i in range (0,int(((len(S))+1)/2)):
if S[i]!=S[-i-1]:
n+=1
print(n)
|
S=input()
n=0
if len(S)%2==0:
for i in range (0,int((len(S))/2)):
if S[i]!=S[-i-1]:
n+=1
else:
for i in range (0,int(((len(S))+1)/2)):
if S[i]!=S[-i-1]:
n+=1
print(n)
|
[
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 640,785
| 640,786
|
u070246438
|
python
|
p02836
|
S = str(input())
Slist = list(S)
newlist = list(reversed(Slist))
ans = 0
for i in range((len(S)//2)):
if Slist[i] == newlist[i]:
ans += 1
print(ans)
|
S = str(input())
Slist = list(S)
newlist = list(reversed(Slist))
ans = 0
for i in range((len(S)//2)):
if Slist[i] != newlist[i]:
ans += 1
print(ans)
|
[
"misc.opposites",
"expression.operator.compare.change",
"control_flow.branch.if.condition.change"
] | 640,789
| 640,788
|
u810348111
|
python
|
p02836
|
S = str(input())
Slist = list(S)
newlist = list(reversed(Slist))
ans = 0
for i in range((len(S)//2)):
if Slist[i] == newlist[i]:
a += 1
print(ans)
|
S = str(input())
Slist = list(S)
newlist = list(reversed(Slist))
ans = 0
for i in range((len(S)//2)):
if Slist[i] != newlist[i]:
ans += 1
print(ans)
|
[
"misc.opposites",
"expression.operator.compare.change",
"control_flow.branch.if.condition.change",
"identifier.change"
] | 640,790
| 640,788
|
u810348111
|
python
|
p02836
|
S = input()
len_S = len(S)
c = 0
s = len_S // 2
for i in range(s-1):
if S[i] is not S[len_S-1 -i]:
c += 1
print(c)
|
S = input()
len_S = len(S)
c = 0
s = len_S // 2
for i in range(s):
if S[i] is not S[len_S-1 -i]:
c += 1
print(c)
|
[
"expression.operation.binary.remove"
] | 640,791
| 640,792
|
u170410075
|
python
|
p02836
|
S = input()
len_S = len(S)
c = 0
s = len_S // 2
for i in range(s-1):
if S[i] != S[len_S-1 -i]:
c += 1
print(c)
|
S = input()
len_S = len(S)
c = 0
s = len_S // 2
for i in range(s):
if S[i] is not S[len_S-1 -i]:
c += 1
print(c)
|
[
"expression.operation.binary.remove",
"control_flow.branch.if.condition.change"
] | 640,793
| 640,792
|
u170410075
|
python
|
p02836
|
def palin(S):
lst = list(S)
num = len(lst)//2
count = 0
for i in range(num):
if not lst[i] == lst[-i-1]:
count += 1
return count
S = input()
palin(S)
|
def palin(S):
lst = list(S)
num = len(lst)//2
count = 0
for i in range(num):
if not lst[i] == lst[-i-1]:
count += 1
return count
S = input()
print(palin(S))
|
[
"call.add",
"call.arguments.change"
] | 640,796
| 640,797
|
u590647174
|
python
|
p02836
|
s = input()
c = 0
first, second = s[:len(s)//2], s[(len(s)+1)//2:]
if first == reversed(second):
print(c)
else:
for x in range(len(first)):
if first[x] != second[len(second)-x-1]:
count += 1
print(c)
|
s = input()
c = 0
first, second = s[:len(s)//2], s[(len(s)+1)//2:]
if first == reversed(second):
print(c)
else:
for x in range(len(first)):
if first[x] != second[len(second)-x-1]:
c += 1
print(c)
|
[
"identifier.change"
] | 640,798
| 640,799
|
u958207414
|
python
|
p02836
|
S=int(input())
count = 0
l=[]
l = list(S)
a = len(l)
b = a - 1
for i in range(a):
if l[i] != l[b-i]:
count = count + 1
count = count/2
print(int(count))
|
S=str(input())
count = 0
l=[]
l = list(S)
a = len(l)
b = a - 1
for i in range(a):
if l[i] != l[b-i]:
count = count + 1
count = count/2
print(int(count))
|
[
"assignment.value.change",
"identifier.change",
"call.function.change"
] | 640,807
| 640,808
|
u137316733
|
python
|
p02836
|
S=input()
l=len(S)
count=0
if l%2==0:
for i in range(l//2):
if S[i]!=S[(l-1)-i]:
count+=1
else:
for j in range((l-1)//2):
if S[j]!=S[(j-1)-j]:
count+=1
print(count)
|
S=input()
l=len(S)
count=0
if l%2==0:
for i in range(l//2):
if S[i]!=S[(l-1)-i]:
count+=1
else:
for j in range((l-1)//2):
if S[j]!=S[(-1)-j]:
count+=1
print(count)
|
[
"control_flow.branch.if.condition.change"
] | 640,811
| 640,812
|
u523545435
|
python
|
p02836
|
import math
N = list(input())
def is_even(num):
if num % 2 == 0:
return True
else:
return False
change_num = math.floor(len(N) / 2)
ans = 0
count = 1
for i in N[:change_num]:
if N[-count] != i:
ans += 1
print(ans)
|
import math
N = list(input())
def is_even(num):
if num % 2 == 0:
return True
else:
return False
change_num = math.floor(len(N) / 2)
ans = 0
count = 1
for i in N[:change_num]:
if N[-count] != i:
ans += 1
count += 1
print(ans)
|
[] | 640,822
| 640,823
|
u140191608
|
python
|
p02836
|
import math
s = input()
n = len(s)
l = math.floor(n/2)
if n % 2 == 0:
k = l
else:
k = l+1
s_f = s[:l]
s_r = s[k:]
j = 0
for i in [0,l-1]:
if s_f[i] != s_r[(l-1)-i]:
j+=1
print(j)
|
import math
s = input()
n = len(s)
l = math.floor(n/2)
if n % 2 == 0:
k = l
else:
k = l+1
s_f = s[:l]
s_r = s[k:]
j = 0
#print(s_f)
#print(s_r)
for i in range(0,l):
if s_f[i] != s_r[(l-1)-i]:
#print(s_f[i] + " " + s_r[(l-1)-i])
j+=1
print(j)
|
[
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"expression.operation.binary.change"
] | 640,828
| 640,829
|
u477915050
|
python
|
p02836
|
s=list(input())
n=len(s)
cnt=0
for i in range(n//2):
if s[i] != s[n-i]: cnt+=1
print(cnt)
|
s=list(input())
n=len(s)
cnt=0
for i in range(n//2):
if s[i] != s[n-i-1]: cnt+=1
print(cnt)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one"
] | 640,838
| 640,839
|
u148218179
|
python
|
p02836
|
a=input().strip()
x=len(a)
x1=x//2
c=0
for i in range(x1+1):
if a[i]!=a[x-1-i]:
c+=1
print(c)
|
a=input().strip()
x=len(a)
x1=x//2
c=0
for i in range(x1):
if a[i]!=a[x-1-i]:
c+=1
print(c)
|
[
"expression.operation.binary.remove"
] | 640,842
| 640,843
|
u719238648
|
python
|
p02836
|
x=[i for i in input()]
count=0
if len(x)%2!=0:
x.pop(len(x)//2+1)
P =[p for p in range(0,len(x)//2)]
Q =[q for q in range(len(x)//2,len(x))]
Q.sort(reverse=True)
for a,b in zip(P,Q):
if x[a]!=x[b]:
count+=1
print(count)
|
x=[i for i in input()]
count=0
if len(x)%2!=0:
x.pop(len(x)//2)
P =[p for p in range(0,len(x)//2)]
Q =[q for q in range(len(x)//2,len(x))]
Q.sort(reverse=True)
for a,b in zip(P,Q):
if x[a]!=x[b]:
count+=1
print(count)
|
[
"expression.operation.binary.remove"
] | 640,855
| 640,856
|
u441320782
|
python
|
p02836
|
S=list(map(str,input()))
N=len(S)
cnt=0
SR=S[:]
SR.reverse()
print(*SR)
for i in range(N):
if S[i]!=SR[i]:
cnt=cnt+1
print(cnt//2)
|
S=list(map(str,input()))
N=len(S)
cnt=0
SR=S[:]
SR.reverse()
#print(*SR)
for i in range(N):
if S[i]!=SR[i]:
cnt=cnt+1
print(cnt//2)
|
[
"call.remove"
] | 640,857
| 640,858
|
u141574039
|
python
|
p02836
|
S = input()
rev = S[::-1]
l = int(len(S)/2)
front = S[0:l]
back = rev[0:l]
cnt = 0
moji = 0
for s in front:
if front[cnt] == back[cnt]:
moji += 1
cnt += 1
ans = len - moji
print(ans)
|
S = input() #ここで標準入力
rev = S[::-1]
l = int(len(S)/2)
front = S[0:l]
back = rev[0:l]
cnt = 0
moji = 0
for s in front:
if front[cnt] == back[cnt]:
moji += 1
cnt += 1
ans = l - moji
print(ans)
|
[
"assignment.value.change",
"identifier.change",
"expression.operation.binary.change"
] | 640,861
| 640,862
|
u760107660
|
python
|
p02836
|
import math
import random
from operator import itemgetter
import re
import sys
from itertools import accumulate
from collections import defaultdict
from collections import deque
from bisect import bisect_left,bisect
from heapq import heappop,heappush
from math import gcd
from copy import deepcopy
input = sys.stdin.readline
S = input()
num = len(S)
if num%2 == 0:
left = S[:num//2]
right = S[num//2:]
else:
left = S[:num//2]
right = S[num//2+1:]
right = right[::-1]
ans = 0
for i in range(len(left)):
if left[i] != right[i]:
ans += 1
print(ans)
|
import math
import random
from operator import itemgetter
import re
import sys
from itertools import accumulate
from collections import defaultdict
from collections import deque
from bisect import bisect_left,bisect
from heapq import heappop,heappush
from math import gcd
from copy import deepcopy
input = sys.stdin.readline
S = input().strip()
num = len(S)
if num%2 == 0:
left = S[:num//2]
right = S[num//2:]
else:
left = S[:num//2]
right = S[num//2+1:]
right = right[::-1]
ans = 0
for i in range(len(left)):
if left[i] != right[i]:
ans += 1
print(ans)
|
[
"call.add"
] | 640,863
| 640,864
|
u513900925
|
python
|
p02836
|
A = list(input())
B = list(reversed(A))
S = 0
for i in range((len(A)-1)//2):
if A[i] != B[i]:
S += 1
print(S)
|
A = list(input())
B = list(reversed(A))
S = 0
for i in range((len(A)+1)//2):
if A[i] != B[i]:
S += 1
print(S)
|
[
"misc.opposites",
"expression.operator.arithmetic.change",
"call.arguments.change",
"expression.operation.binary.change",
"control_flow.loop.range.bounds.upper.change"
] | 640,866
| 640,867
|
u349014049
|
python
|
p02836
|
Y=str(input())#1行に沢山の数値(または文字)が並んでいる場合にリストに格納していく
X=[]
X=list(Y) #数値YをリストXに格納
print(X)
n=len(X)
m=0
if n%2==0:
for i in range (0,n):
if X[i]==X[n-i-1]:
m=m+1
else:
m=m
a=(n-m)/2
elif n%2==1:
for i in range(0,n):
if X[i]==X[n-i-1]:
m=m+1
else:
m=m
a=(n-m)/2
print(int(a))
|
Y=str(input())#1行に沢山の数値(または文字)が並んでいる場合にリストに格納していく
X=[]
X=list(Y) #数値YをリストXに格納
n=len(X)
m=0
if n%2==0:
for i in range (0,n):
if X[i]==X[n-i-1]:
m=m+1
else:
m=m
a=(n-m)/2
elif n%2==1:
for i in range(0,n):
if X[i]==X[n-i-1]:
m=m+1
else:
m=m
a=(n-m)/2
print(int(a))
|
[
"call.remove"
] | 640,868
| 640,869
|
u460647387
|
python
|
p02836
|
S=input()
hug=0
for i in range(len(S)//2):
if S[i]!=S[-i]:
hug+=1
print(hug)
|
S=input()
hug=0
for i in range(len(S)//2):
if S[i]!=S[len(S)-i-1]:
hug+=1
print(hug)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.add",
"misc.off_by_one"
] | 640,872
| 640,873
|
u708890186
|
python
|
p02836
|
a = input()
l = []
c = 0
for i in a:
l.append(a)
n = len(a) // 2
for i in range(n):
if l[i] != l[len(l) - i-1]:
c += 1
print(c)
|
a = input()
l = []
c = 0
for i in a:
l.append(i)
n = len(a) // 2
for i in range(n):
if l[i] != l[len(l) - i-1]:
c += 1
print(c)
|
[
"identifier.change",
"call.arguments.change"
] | 640,885
| 640,886
|
u406405116
|
python
|
p02836
|
a = input()
l = []
c = 0
for i in a:
l.append(a)
n = len(a) // 2
for i in range(n):
if l[i] != l[len(l) - i-1]:
c += 1
|
a = input()
l = []
c = 0
for i in a:
l.append(i)
n = len(a) // 2
for i in range(n):
if l[i] != l[len(l) - i-1]:
c += 1
print(c)
|
[
"identifier.change",
"call.arguments.change",
"call.add"
] | 640,887
| 640,886
|
u406405116
|
python
|
p02836
|
s = input()
n = len(s) // 2
sf = s[0:n]
ss = s[::-1]
sb = ss[0:n]
print(sf, sb)
cnt = 0
for i in range(n):
if sf[i] != sb[i]:
cnt += 1
print(cnt)
|
s = input()
n = len(s) // 2
sf = s[0:n]
ss = s[::-1]
sb = ss[0:n]
cnt = 0
for i in range(n):
if sf[i] != sb[i]:
cnt += 1
print(cnt)
|
[
"call.remove"
] | 640,890
| 640,891
|
u782790173
|
python
|
p02836
|
str = input()
count = 0
for i in range(int(len(str)/2)):
if str[i] !=str[-i + 1]:
count += 1
print(count)
|
str = input()
count = 0
for i in range(int(len(str)/2)):
if str[i] !=str[-i - 1]:
count += 1
print(count)
|
[
"misc.opposites",
"expression.operator.arithmetic.change",
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change"
] | 640,902
| 640,903
|
u386089098
|
python
|
p02836
|
a =list(input())
b =int(int(len(a))/2)
ans =0
n = -1
for i in range(b):
if a[i] == a[n]:
n += -1
else:
ans += 1
print(ans)
|
a =list(input())
b =int(int(len(a))/2)
ans =0
n = -1
for i in range(b):
if a[i] == a[n]:
n += -1
else:
ans += 1
n += -1
print(ans)
|
[] | 640,906
| 640,907
|
u039319269
|
python
|
p02836
|
S = input()
S = "abcdabc"
LIST = list(S) #リストにすると、1文字毎に分割される。
lengs = len(LIST) #リス
count = int(0)
c = lengs // 2
#中央は回文に必要ない要素なので処理しなくてもよい。
for i in range(c):
#print(LIST[i])
#print(LIST[lengs-i-1])
#print("ばばばば")
if LIST[i] == LIST[lengs-i-1]:
count = count
else:
count = count + 1
print(count)
|
S = input()
LIST = list(S) #リストにすると、1文字毎に分割される。
lengs = len(LIST) #リス
count = int(0)
c = lengs // 2
#中央は回文に必要ない要素なので処理しなくてもよい。
for i in range(c):
#print(LIST[i])
#print(LIST[lengs-i-1])
#print("ばばばば")
if LIST[i] == LIST[lengs-i-1]:
count = count
else:
count = count + 1
print(count)
|
[
"assignment.remove"
] | 640,910
| 640,911
|
u679236042
|
python
|
p02836
|
#!/usr/bin/env python3
import sys
s = stdin.readline().strip()
sl = len(s)
cnt = 0
for i in range(sl//2):
if s[i]!=s[sl-1-i]:
cnt += 1
print(cnt)
|
#!/usr/bin/env python3
from sys import stdin
s = stdin.readline().strip()
sl = len(s)
cnt = 0
for i in range(sl//2):
if s[i]!=s[sl-1-i]:
cnt += 1
print(cnt)
|
[] | 640,912
| 640,913
|
u192058345
|
python
|
p02836
|
import sys.stdin
s = stdin.readline().strip()
sl = len(s)
cnt = 0
for i in range(sl//2):
if s[i]!=s[sl-1-i]:
cnt += 1
print(cnt)
|
#!/usr/bin/env python3
from sys import stdin
s = stdin.readline().strip()
sl = len(s)
cnt = 0
for i in range(sl//2):
if s[i]!=s[sl-1-i]:
cnt += 1
print(cnt)
|
[] | 640,914
| 640,913
|
u192058345
|
python
|
p02836
|
import sys
s = list(input())
ans = 0
print(s)
if len(s) == 1:
print(0)
sys.exit()
for i in range(len(s)//2):
# print(s[i], s[-i-1])
if s[i] != s[-(i+1)]:
ans += 1
# print(s[i])
# print(len(s)//2-1)
print(ans)
|
import sys
s = list(input())
ans = 0
# print(s)
if len(s) == 1:
print(0)
sys.exit()
for i in range(len(s)//2):
# print(s[i], s[-i-1])
if s[i] != s[-(i+1)]:
ans += 1
# print(s[i])
# print(len(s)//2-1)
print(ans)
|
[
"call.remove"
] | 640,925
| 640,926
|
u738898077
|
python
|
p02836
|
n = input()
index = 0
count = 0
while True:
if len(n) / 2 < index:
break
if n[index] != n[(index*-1) - 1]:
count += 1
index += 1
print(count)
|
n = input()
index = 0
count = 0
while True:
if len(n) / 2 <= index:
break
if n[index] != n[(index*-1) - 1]:
count += 1
index += 1
print(count)
|
[
"expression.operator.compare.change",
"control_flow.branch.if.condition.change"
] | 640,939
| 640,940
|
u278260778
|
python
|
p02836
|
kaibun = input()
count = 0
lenstr = len(kaibun)
if lenstr%2 ==0:
left = kaibun[:int(lenstr/2)]
right = kaibun[int(lenstr/2):]
else:
left = kaibun[:math.floor(lenstr/2)]
right = kaibun[math.floor(lenstr/2):]
for i in range(len(left)):
back = -1 * i -1
if left[i] != right[back]:
count+=1
print(count)
|
import math
kaibun = input()
count = 0
lenstr = len(kaibun)
if lenstr%2 ==0:
left = kaibun[:int(lenstr/2)]
right = kaibun[int(lenstr/2):]
else:
left = kaibun[:math.floor(lenstr/2)]
right = kaibun[math.floor(lenstr/2):]
for i in range(len(left)):
back = -1 * i -1
if left[i] != right[back]:
count+=1
print(count)
|
[] | 640,941
| 640,942
|
u149385862
|
python
|
p02836
|
S = input().strip()
N = len(S) // 2
total = 0
for i in range(0, N):
if S[i] != S[N - 1 - i]:
total += 1
print(total)
|
S = input().strip()
N = len(S) // 2
total = 0
for i in range(0, N):
if S[i] != S[len(S) - 1 - i]:
total += 1
print(total)
|
[
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.arguments.add"
] | 640,945
| 640,946
|
u396205291
|
python
|
p02836
|
import math
if __name__ == "__main__":
S = input()
count = 0
for i in range(math.floor(len(S))):
if S[0+i] != S[-1-i]:
count += 1
print(count)
|
import math
if __name__ == "__main__":
S = input()
count = 0
for i in range(math.floor(len(S)/2)):
if S[0+i] != S[-1-i]:
count += 1
print(count)
|
[
"expression.operation.binary.add"
] | 640,951
| 640,952
|
u932370518
|
python
|
p02836
|
import math
if __name__ == "__main__":
S = input().split()
count = 0
for i in range(math.floor(len(S))):
if S[0+i] != S[-1-i]:
count += 1
print(count)
|
import math
if __name__ == "__main__":
S = input()
count = 0
for i in range(math.floor(len(S)/2)):
if S[0+i] != S[-1-i]:
count += 1
print(count)
|
[
"expression.operation.binary.add"
] | 640,953
| 640,952
|
u932370518
|
python
|
p02836
|
a = list(input())
b = len(a)
c = int(b/2)
result = []
if b%2 == 0:
A = a[:c]
B = a[c:]
BB = B[::-1]
for v in range(c):
if A[v] != BB[v]:
result.append(v)
else:
x.append(v)
else:
C = a[:c]
D = a[c+1:]
DD = D[::-1]
for v in range(c):
if C[v] != DD[v]:
result.append(v)
else:
x.append(v)
print(len(result))
|
a = list(input())
b = len(a)
c = int(b/2)
x = []
result = []
if b%2 == 0:
A = a[:c]
B = a[c:]
BB = B[::-1]
for v in range(c):
if A[v] != BB[v]:
result.append(v)
else:
x.append(v)
else:
C = a[:c]
D = a[c+1:]
DD = D[::-1]
for v in range(c):
if C[v] != DD[v]:
result.append(v)
else:
x.append(v)
print(len(result))
|
[
"assignment.add"
] | 640,972
| 640,973
|
u046592970
|
python
|
p02836
|
s = list(input())
left = s[: len(s) // 2]
right = s[-1: len(s) // 2: -1]
ans = 0
for i, j in zip(left, right):
if i == j:
pass
else:
ans += 1
print(ans)
|
s = list(input())
left = s[: len(s) // 2]
right = s[-1: len(s) // 2 - 1: -1]
ans = 0
for i, j in zip(left, right):
if i == j:
pass
else:
ans += 1
print(ans)
|
[
"assignment.change"
] | 640,981
| 640,982
|
u316401642
|
python
|
p02836
|
import math
a = input()
b = a
d = "".join(list(reversed(b)))
ans = 0
c = math.floor(len(a)/2)
if len(a) % 2 == 0:
for i in range(c):
if not b[i] == d[i]:
ans += 1
else:
for i in range(c):
if not b[i] == d[i+c+1]:
ans += 1
print(ans)
|
import math
a = input()
b = a
d = "".join(list(reversed(b)))
ans = 0
c = math.floor(len(a)/2)
if len(a) % 2 == 0:
for i in range(c):
if not b[i] == d[i]:
ans += 1
else:
for i in range(c):
if not b[i] == d[i]:
ans += 1
print(ans)
|
[
"control_flow.loop.for.condition.change",
"expression.operation.binary.remove"
] | 640,983
| 640,984
|
u963343620
|
python
|
p02836
|
s = input()
helf = len(s) // 2
ans = 0
for i in range(helf):
if s[i] == s[-i-1]:
ans += 1
print(ans)
|
s = input()
helf = len(s) // 2
ans = 0
for i in range(helf):
if s[i] != s[-i-1]:
ans += 1
print(ans)
|
[
"misc.opposites",
"expression.operator.compare.change",
"control_flow.branch.if.condition.change"
] | 641,001
| 641,002
|
u950825280
|
python
|
p02836
|
n = input()
n = list(n)
print(n)
m = len(n)
A = 0
if m % 2 == 0:
K = int(m/2)
a = n[0:K]
n.reverse()
b = n[0:K]
else:
K = int((m - 1) / 2)
a = n[0:K]
n.reverse()
b = n[0:K]
for i, value in enumerate(a):
if value != b[i]:
A = A + 1
print(A)
|
n = input()
n = list(n)
m = len(n)
A = 0
if m % 2 == 0:
K = int(m/2)
a = n[0:K]
n.reverse()
b = n[0:K]
else:
K = int((m - 1) / 2)
a = n[0:K]
n.reverse()
b = n[0:K]
for i, value in enumerate(a):
if value != b[i]:
A = A + 1
print(A)
|
[
"call.remove"
] | 641,012
| 641,013
|
u982944976
|
python
|
p02836
|
S = input()
L = len(S)
ans =0
for i in range(L//2):
if S[i] != S[-i]:
ans +=1
print(ans)
|
S = input()
L = len(S)
ans =0
for i in range(L//2):
if S[i] != S[-1-i]:
ans +=1
print(ans)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 641,016
| 641,017
|
u333945892
|
python
|
p02836
|
n=len(S)
ans=0
for i in range(n//2):
if S[i]!=S[n-i-1]:
ans+=1
print(ans)
|
S=input()
n=len(S)
ans=0
for i in range(n//2):
if S[i]!=S[n-i-1]:
ans+=1
print(ans)
|
[
"assignment.add"
] | 641,024
| 641,025
|
u765865533
|
python
|
p02836
|
import sys
input = sys.stdin.readline
S=input()
R=list(S)
R.reverse()
R = "".join(R)
l = int(len(S)/2)
rtn=0
for i in range(l):
if S[i]!=R[i]:
rtn+=1
print(rtn)
|
import sys
input = sys.stdin.readline
S=input().rstrip()
R=list(S)
R.reverse()
R = "".join(R)
l = int(len(S)/2)
rtn=0
for i in range(l):
if S[i]!=R[i]:
rtn+=1
print(rtn)
|
[
"call.add"
] | 641,032
| 641,033
|
u910158862
|
python
|
p02836
|
import sys
input = sys.stdin.readline
S=input()
R=list(S)
R.reverse()
R = "".join(R)
l = int(len(S)/2)
rtn=0
for i in range(l):
if S[i]!=R[i]:
rtn+=1
print(rtn)
|
import sys
input = sys.stdin.readline
S=input().rstrip()
R=list(S)
R.reverse()
R = "".join(R)
l = int(len(S)/2)
rtn=0
for i in range(l):
if S[i]!=R[i]:
rtn+=1
print(rtn)
|
[
"call.add"
] | 641,034
| 641,033
|
u910158862
|
python
|
p02836
|
import math
S = input()
s = list(S) #文字を一文字ずつリスト格納
count=0
N=int(math.ceil(len(s)/2))
for i in range(N):
if not s[i]==s[N-i-1]:
count+=1
print(count)
|
import math
S = input()
s = list(S) #文字を一文字ずつリスト格納
count=0
N=int(math.ceil(len(s)/2))
for i in range(N):
if not s[i]==s[len(s)-i-1]:
count+=1
print(count)
|
[
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.arguments.add"
] | 641,041
| 641,042
|
u432699428
|
python
|
p02836
|
s=input()
c=0
for i in range(int(len(s)/2)):
if s[i] != s[N-1-i]:
c=c+1
print(c)
|
s=input()
c=0
for i in range(int(len(s)/2)):
if s[i] != s[len(s)-1-i]:
c=c+1
print(c)
|
[
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.arguments.add"
] | 641,095
| 641,096
|
u813569174
|
python
|
p02836
|
from sys import stdin
S = stdin.readline().rstrip()
c = len(S) // 2
ans = 0
print(c)
for i in range(c):
if S[i] != S[len(S) - i - 1]:
ans += 1
print(ans)
|
from sys import stdin
S = stdin.readline().rstrip()
c = len(S) // 2
ans = 0
for i in range(c):
if S[i] != S[len(S) - i - 1]:
ans += 1
print(ans)
|
[
"call.remove"
] | 641,098
| 641,099
|
u390618988
|
python
|
p02836
|
# -*- coding: utf-8 -*-
s = input()
sum = 0
for i in range(len(s)//2):
if s[i] != s[-i]:
sum += 1
print(sum)
|
# -*- coding: utf-8 -*-
s = input()
sum = 0
for i in range(len(s)//2):
if s[i] != s[-(i+1)]:
sum += 1
print(sum)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 641,047
| 641,048
|
u326245870
|
python
|
p02836
|
def main():
s = input()
m = len(s)//2
ans = 0
if m%2 == 0:
a = s[:m]
b = s[m:]
for i in range(m):
if b[i] != a[m-i-1]:
ans += 1
print(ans)
else:
a = s[:m]
b = s[m+1:]
for i in range(m):
if b[i] != a[m-i-1]:
ans += 1
print(ans)
if __name__ == "__main__":
main()
|
def main():
s = input()
m = len(s)//2
ans = 0
if len(s)%2 == 0:
a = s[:m]
b = s[m:]
for i in range(m):
if b[i] != a[m-i-1]:
ans += 1
print(ans)
else:
a = s[:m]
b = s[m+1:]
for i in range(m):
if b[i] != a[m-i-1]:
ans += 1
print(ans)
if __name__ == "__main__":
main()
|
[
"control_flow.branch.if.condition.change",
"call.arguments.add"
] | 641,049
| 641,050
|
u560988566
|
python
|
p02836
|
s=list(input())
x=len(s)
c=0
for i in range((x+1)//2-1):
if s[i]!=s[-i-1]:
c+=1
print(c)
|
s=list(input())
x=len(s)
c=0
for i in range((x+1)//2):
if s[i]!=s[-i-1]:
c+=1
print(c)
|
[
"expression.operation.binary.remove"
] | 641,055
| 641,056
|
u668503853
|
python
|
p02836
|
s = input()
counter = 0
length = len(s)
for i in range(length):
if s[i] != s[length-1-i]:
counter += 1
print(counter)
|
s = input()
counter = 0
length = len(s)
for i in range(length//2):
if s[i] != s[length-1-i]:
counter += 1
print(counter)
|
[
"control_flow.loop.range.bounds.upper.change",
"expression.operation.binary.add"
] | 641,069
| 641,070
|
u695079172
|
python
|
p02836
|
S = input()
S_len = len(S)
num = 0
for i in range(S_len // 2):
if S[i] != S[-i]:
num += 1
print(num)
|
S = input()
S_len = len(S)
num = 0
for i in range(S_len // 2):
if S[i] != S[-i-1]:
num += 1
print(num)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one"
] | 641,071
| 641,072
|
u175743386
|
python
|
p02836
|
import math
s=input()
n=math.floor(len(s)/2)
print(n)
count=0
for i in range(n):
if s[i]!=s[-i-1]:
count+=1
print(count)
|
import math
s=input()
n=math.floor(len(s)/2)
count=0
for i in range(n):
if s[i]!=s[-i-1]:
count+=1
print(count)
|
[
"call.remove"
] | 641,073
| 641,074
|
u025241948
|
python
|
p02836
|
S = input()
len_ = int(7/2)
cnt = 0
for i in range(0, len_+1):
if S[i] != S[-(i+1)]:
cnt += 1
print(cnt)
|
S = input()
len_ = int(len(S)/2)
cnt = 0
for i in range(0, len_):
if S[i] != S[-(i+1)]:
cnt += 1
print(cnt)
|
[
"assignment.value.change",
"identifier.replace.add",
"literal.replace.remove",
"call.arguments.change",
"expression.operation.binary.change",
"call.arguments.add",
"expression.operation.binary.remove"
] | 641,079
| 641,080
|
u597047658
|
python
|
p02836
|
s = input()
h = 0
for i in range(len(s)//2):
if s[i] != s[s-i-1]:
h += 1
print(h)
|
s = input()
h = 0
for i in range(len(s)//2):
if s[i] != s[len(s)-i-1]:
h += 1
print(h)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"call.add"
] | 641,081
| 641,083
|
u072606168
|
python
|
p02836
|
s = input()
ls = len(s)
ans = 0
for i in range(ls//2):
if s[i] != s[-1-i]:
ans += 1
print(ans//2)
|
s = input()
ls = len(s)
ans = 0
for i in range(ls//2):
if s[i] != s[-1-i]:
ans += 1
print(ans)
|
[
"expression.operation.binary.remove"
] | 641,103
| 641,105
|
u399721252
|
python
|
p02836
|
S = input()
N = len(s)
a = 0
n = N//2
for i in range(n):
k = -(i+1)
if S[i] != S[k]:
a += 1
print(a)
|
S = input()
N = len(S)
a = 0
n = N//2
for i in range(n):
k = -(i+1)
if S[i] != S[k]:
a += 1
print(a)
|
[
"assignment.value.change",
"identifier.change",
"call.arguments.change"
] | 641,119
| 641,120
|
u557494880
|
python
|
p02836
|
a=input()
if len(a)%2==0:
v=len(a)/2
else:
v=(len(a)-1)/2
c=0
for i in range(v):
if a[i]!=a[-i-1]:
c+=1
print(c)
|
a=input()
if len(a)%2==0:
v=int(len(a)/2)
else:
v=int((len(a)-1)/2)
c=0
for i in range(v):
if a[i]!=a[-i-1]:
c+=1
print(c)
|
[
"call.add",
"call.arguments.change"
] | 641,127
| 641,128
|
u771538568
|
python
|
p02836
|
def palin(s):
p1 = ans = 0
p2 = len(s) - 1
while p1 < p2:
if s[p1] != s[p2]:
ans += 1
p1 += 1
p2 -= 1
print(ans)
if __name__ == "__main__":
import sys
in_str = ''
for line in sys.stdin:
in_str += line
palin(in_str)
|
def palin(s):
p1 = ans = 0
p2 = len(s) - 1
while p1 < p2:
if s[p1] != s[p2]:
ans += 1
p1 += 1
p2 -= 1
print(ans)
if __name__ == "__main__":
import sys
in_str = ''
for line in sys.stdin:
in_str += line
palin(in_str.strip())
|
[
"call.add"
] | 641,131
| 641,132
|
u799916419
|
python
|
p02836
|
s = list(input())
n = len(s)
a = 0
for i in range(n//2):
if s[i] != s[-i]:
a += 1
print(a)
|
s = list(input())
n = len(s)
a = 0
for i in range(n//2):
if s[i] != s[-i-1]:
a += 1
print(a)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one"
] | 641,133
| 641,134
|
u640123177
|
python
|
p02836
|
s = input()
cnt = 0
for i in range(len(s)//2):
if s[i] != s[-i-1]:
cnt += 1
s[-i-1] = s[i]
print(cnt)
|
s = input()
cnt = 0
s = list(s)
for i in range(len(s)//2):
if s[i] != s[-i-1]:
cnt += 1
s[-i-1] = s[i]
print(cnt)
|
[
"assignment.add"
] | 641,141
| 641,142
|
u528748570
|
python
|
p02836
|
MOD = 10**9 + 7
INF = 10**20
I = lambda:list(map(int,input().split()))
from collections import defaultdict as dd
from math import gcd
s = input()
n = len(s)
ans = 0
for i in range(n//2):
ans += (s[i] != s[n-i])
print(ans)
|
MOD = 10**9 + 7
INF = 10**20
I = lambda:list(map(int,input().split()))
from collections import defaultdict as dd
s = input()
n = len(s)
ans = 0
for i in range(n//2):
ans += (s[i] != s[n-i-1])
print(ans)
|
[
"expression.operation.binary.add"
] | 641,145
| 641,144
|
u075489826
|
python
|
p02837
|
N = int(input())
testimo_ls = [ [] for i in range(N) ]
rst = 0
for i in range(N):
A = int(input())
for j in range(A):
x, y = map(int, input().split(' '))
testimo_ls[i].append([x - 1, y])
for i in range(1 << N):
honest_ls = []
for j in range(N):
if i >> j & 1:
honest_ls.append(j)
is_ok = True
for s in honest_ls:
for t in testimo_ls[s]:
if t[0] in honest_ls and t[1] == 0:
is_ok = False
break
if t[1] not in honest_ls and t[1] == 1:
is_ok = False
break
if is_ok:
rst = max(rst, len(honest_ls))
print(rst)
|
N = int(input())
testimo_ls = [ [] for i in range(N) ]
rst = 0
for i in range(N):
A = int(input())
for j in range(A):
x, y = map(int, input().split(' '))
testimo_ls[i].append([x - 1, y])
for i in range(1 << N):
honest_ls = []
for j in range(N):
if i >> j & 1:
honest_ls.append(j)
is_ok = True
for s in honest_ls:
for t in testimo_ls[s]:
if t[0] in honest_ls and t[1] == 0:
is_ok = False
break
if t[0] not in honest_ls and t[1] == 1:
is_ok = False
break
if is_ok:
rst = max(rst, len(honest_ls))
print(rst)
|
[
"literal.number.integer.change",
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change"
] | 641,156
| 641,157
|
u418149936
|
python
|
p02837
|
N = int(input())
testimo_ls = [ [] for i in range(N) ]
rst = 0
for i in range(N):
A = int(input())
for j in range(A):
x, y = map(int, input().split(' '))
testimo_ls[i].append([x - 1, y])
for i in range(1 << N):
honest_ls = []
for j in range(N):
if i >> j & 1:
honest_ls.append(j)
is_ok = True
for s in honest_ls:
for t in testimo_ls[s]:
if t[0] not in honest_ls and t[1] == 1:
is_ok = False
break
if t[0] in honest_ls and t[1] == 1:
is_ok = False
break
if is_ok:
rst = max(rst, len(honest_ls))
print(rst)
|
N = int(input())
testimo_ls = [ [] for i in range(N) ]
rst = 0
for i in range(N):
A = int(input())
for j in range(A):
x, y = map(int, input().split(' '))
testimo_ls[i].append([x - 1, y])
for i in range(1 << N):
honest_ls = []
for j in range(N):
if i >> j & 1:
honest_ls.append(j)
is_ok = True
for s in honest_ls:
for t in testimo_ls[s]:
if t[0] in honest_ls and t[1] == 0:
is_ok = False
break
if t[0] not in honest_ls and t[1] == 1:
is_ok = False
break
if is_ok:
rst = max(rst, len(honest_ls))
print(rst)
|
[
"control_flow.branch.if.add",
"control_flow.break.add",
"control_flow.break.remove"
] | 641,158
| 641,157
|
u418149936
|
python
|
p02837
|
N = int(input())
testimo_ls = [ [] for i in range(N) ]
rst = 0
for i in range(N):
A = int(input())
for j in range(A):
x, y = map(int, input().split(' '))
testimo_ls[i].append([x - 1, y])
for i in range(1 << N):
honest_ls = []
for j in range(N):
if i >> j & 1:
honest_ls.append(j)
is_ok = True
for s in honest_ls:
for t in testimo_ls[s]:
if t[0] not in honest_ls and t[1] == 1:
is_ok = False
break
if t[0] in honest_ls and t[1] == 1:
is_ok = False
break
if is_ok:
rst = max(rst, len(honest_ls))
print(rst)
|
N = int(input())
testimo_ls = [ [] for i in range(N) ]
rst = 0
for i in range(N):
A = int(input())
for j in range(A):
x, y = map(int, input().split(' '))
testimo_ls[i].append([x - 1, y])
for i in range(1 << N):
honest_ls = []
for j in range(N):
if i >> j & 1:
honest_ls.append(j)
is_ok = True
for s in honest_ls:
for t in testimo_ls[s]:
if t[0] not in honest_ls and t[1] == 1:
is_ok = False
break
if t[0] in honest_ls and t[1] == 0:
is_ok = False
break
if is_ok:
rst = max(rst, len(honest_ls))
print(rst)
|
[
"literal.number.integer.change",
"control_flow.branch.if.condition.change"
] | 641,158
| 641,159
|
u418149936
|
python
|
p02837
|
N=int(input())
syogen=[]
for i in range(N):
a=int(input())
temp=[list(map(int, input().split())) for _ in range(a)]
syogen.append([a,temp])
ans=0
for h in range(2**N):
flag=0
cnt=0
l=[0]*N
for g in range(N):
if h>>g &1:
l[g]=1
#print(l)
for gg in range(N):
if l[gg]==1:
temp_=syogen[g]
for n in range(temp_[0]):
if l[temp_[1][n][0]]==temp_[1][n][1]:
continue
else:
flag=1
break
if flag==1:
break
elif flag==0 and gg==N-1:
#print(bin(h))
ans=max(ans,sum(l))
print(ans)
|
N=int(input())
syogen=[]
for i in range(N):
a=int(input())
temp=[list(map(int, input().split())) for _ in range(a)]
syogen.append([a,temp])
ans=0
for h in range(2**N):
flag=0
cnt=0
l=[0]*N
for g in range(N):
if h>>g &1:
l[g]=1
#print(l)
for gg in range(N):
if l[gg]==1:
temp_=syogen[gg]
#print(temp_)
for n in range(temp_[0]):
if l[temp_[1][n][0]-1]==temp_[1][n][1]:
continue
else:
flag=1
break
if flag==1:
break
elif flag==0 and gg==N-1:
#print(bin(h))
ans=max(ans,sum(l))
print(ans)
|
[
"assignment.value.change",
"identifier.change",
"variable_access.subscript.index.change",
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change",
"misc.off_by_one"
] | 641,179
| 641,180
|
u608178601
|
python
|
p02837
|
from itertools import product
n = int(input())
d = {}
for i in range(n):
a = int(input())
for _ in range(a):
x, y = map(int, input().split())
if i + 1 not in d:
d[i + 1] = []
d[i + 1].append((x, y))
ret = 0
for x in product((0, 1), repeat=n):
tmp = [-1] * n
ok = True
for i in range(n):
if x[i] == 1:
for y in d[i + 1]:
if tmp[y[0] - 1] == -1:
tmp[y[0] - 1] = y[1]
elif tmp[y[0] - 1] != y[1]:
ok = False
break
if not ok:
break
if ok and all(a == b or b == -1 for a, b in zip(x, tmp)):
ret = max(ret, sum(x))
print(ret)
|
from itertools import product
n = int(input())
d = {}
for i in range(n):
a = int(input())
for _ in range(a):
x, y = map(int, input().split())
if i + 1 not in d:
d[i + 1] = []
d[i + 1].append((x, y))
ret = 0
for x in product((0, 1), repeat=n):
tmp = [-1] * n
ok = True
for i in range(n):
if x[i] == 1 and i + 1 in d:
for y in d[i + 1]:
if tmp[y[0] - 1] == -1:
tmp[y[0] - 1] = y[1]
elif tmp[y[0] - 1] != y[1]:
ok = False
break
if not ok:
break
if ok and all(a == b or b == -1 for a, b in zip(x, tmp)):
ret = max(ret, sum(x))
print(ret)
|
[
"control_flow.branch.if.condition.change",
"control_flow.loop.for.condition.change"
] | 641,186
| 641,187
|
u170183831
|
python
|
p02837
|
N=int(input())
XY=[[[]] for n in range(N+1)]
for n in range(1,N+1):
a=int(input())
XY[n]=[list(map(int, input().split())) for _ in range(a)]
maxH=0
for mask_i in range(1<<N):
H=[0]*(N+1)
for n in range(N):
if mask_i>>n&1:
H[n+1]=1
#print(H[1:])
for n in range(1,N+1):
ok=True
if H[n]==1:
for x,y in XY[n]:
if H[x]!=y:
ok=False
break
if ok:
maxH=max(maxH,sum(H))
print(maxH)
|
N=int(input())
XY=[[[]] for n in range(N+1)]
for n in range(1,N+1):
a=int(input())
XY[n]=[list(map(int, input().split())) for _ in range(a)]
maxH=0
for mask_i in range(1<<N):
H=[0]*(N+1)
for n in range(N):
if mask_i>>n&1:
H[n+1]=1
#print(H[1:])
ok=True
for n in range(1,N+1):
if H[n]==1:
for x,y in XY[n]:
if H[x]!=y:
ok=False
break
if ok:
maxH=max(maxH,sum(H))
print(maxH)
|
[
"assignment.add",
"assignment.remove"
] | 641,192
| 641,193
|
u539367121
|
python
|
p02837
|
import itertools
n=int(input())
lis=[]
for i in range(n):
ai=int(input())
lisi=[]
for _ in range(ai):
xi,yi=map(int,input().split())
lisi.append([xi-1,yi])
lis.append(lisi)
print(lis)
ans=-1
for binary in itertools.product([1,0],repeat=n):
check=0
for i in range(n):
if binary[i]==1:
for j in range(len(lis[i])):
if binary[lis[i][j][0]]!=lis[i][j][1]:
check+=1
if check==0:
ans=max(ans,sum(binary))
print(ans)
|
import itertools
n=int(input())
lis=[]
for i in range(n):
ai=int(input())
lisi=[]
for _ in range(ai):
xi,yi=map(int,input().split())
lisi.append([xi-1,yi])
lis.append(lisi)
ans=-1
for binary in itertools.product([1,0],repeat=n):
check=0
for i in range(n):
if binary[i]==1:
for j in range(len(lis[i])):
if binary[lis[i][j][0]]!=lis[i][j][1]:
check+=1
if check==0:
ans=max(ans,sum(binary))
print(ans)
|
[
"call.remove"
] | 641,212
| 641,213
|
u354126779
|
python
|
p02837
|
N = int(input())
evidence = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x,y = map(int,input().split())
evidence[i].append((x-1,y))
result = 0
for j in range(1,2**N):
consistent = True
for k in range(N):
if (j >> k) & 1 == 0:
continue
for x,y in evidence[k]:
if (j >> x) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(i)[2:].count("1"))
print(result)
|
N = int(input())
evidence = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x,y = map(int,input().split())
evidence[i].append((x-1,y))
result = 0
for j in range(1,2**N):
consistent = True
for k in range(N):
if (j >> k) & 1 == 0:
continue
for x,y in evidence[k]:
if (j >> x) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(j)[2:].count("1"))
print(result)
|
[
"assignment.value.change",
"identifier.change",
"call.arguments.change"
] | 641,236
| 641,237
|
u698868214
|
python
|
p02837
|
N = int(input())
evidence = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x,y = map(int,input().split())
evidence[i].append((x-1,y))
result = 0
for j in range(1,2**N):
consistent = True
for k in range(N):
if (j >> k) & 1 == 0:
continue
for x,y in evidence[k]:
if (j >> x) & 1 != y:
consistent = False
break
if not consistent:
break
else:
result = max(result, bin(i)[2:].count("1"))
print(result)
|
N = int(input())
evidence = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x,y = map(int,input().split())
evidence[i].append((x-1,y))
result = 0
for j in range(1,2**N):
consistent = True
for k in range(N):
if (j >> k) & 1 == 0:
continue
for x,y in evidence[k]:
if (j >> x) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(j)[2:].count("1"))
print(result)
|
[
"control_flow.branch.if.condition.change",
"assignment.value.change",
"identifier.change",
"call.arguments.change"
] | 641,238
| 641,237
|
u698868214
|
python
|
p02837
|
from itertools import product
def solve():
N = int(input())
graph = {i: [] for i in range(1, N+1)}
for i in range(N):
A = int(input())
for _ in range(A):
x,y = map(int, input().split())
graph[i+1].append((x,y))
def dfs(nodes):
searched = [-1] * N
stack = [i+1 for i,node in enumerate(nodes) if node == 1]
ret_len = len(stack)
while stack:
node = stack.pop(0)
for x,y in graph[node]:
if nodes[x-1] != y: return -1
if searched[x-1] == -1:
searched[x-1] = y
if y == 1: stack.append(x)
# print(nodes, searched)
return ret_len
ret = 0
for nodes in product([0,1], repeat=N):
ret = max(ret, dfs(nodes))
print(ret)
|
from itertools import product
def solve():
N = int(input())
graph = {i: [] for i in range(1, N+1)}
for i in range(N):
A = int(input())
for _ in range(A):
x,y = map(int, input().split())
graph[i+1].append((x,y))
def dfs(nodes):
searched = [-1] * N
stack = [i+1 for i,node in enumerate(nodes) if node == 1]
ret_len = len(stack)
while stack:
node = stack.pop(0)
for x,y in graph[node]:
if nodes[x-1] != y: return -1
if searched[x-1] == -1:
searched[x-1] = y
if y == 1: stack.append(x)
# print(nodes, searched)
return ret_len
ret = 0
for nodes in product([0,1], repeat=N):
ret = max(ret, dfs(nodes))
print(ret)
solve()
|
[
"call.add"
] | 641,249
| 641,250
|
u594244257
|
python
|
p02837
|
n = int(input())
v = [[tuple(map(int, input().split()))for i in range(int(input()))] for i in range(n)]
ans = 0
for i in range(2**n):
f = [False]*n
xy = []
for j in range(n):
if (i >> j) & 1:
f[j] = True
xy.append(v[j])
flag = True
for xyi in xy:
for x,y in xyi:
if not (f[x-1] and y):
flag = False
break
if flag:
ans = max(ans,len(xy))
print(ans)
|
n = int(input())
v = [[tuple(map(int, input().split()))for i in range(int(input()))]
for i in range(n)]
ans = 0
for i in range(2**n):
f = [False] * n
xy = []
for j in range(n):
if (i >> j) & 1:
f[j] = True
xy.append(v[j])
flag = True
for xyi in xy:
for x, y in xyi:
if f[x - 1] is not bool(y):
flag = False
break
if flag:
ans = max(ans, len(xy))
print(ans)
|
[
"control_flow.loop.for.condition.change",
"control_flow.branch.if.condition.change"
] | 641,251
| 641,252
|
u867826040
|
python
|
p02837
|
N = int(input())
table = []
for i in range(N):
A = int(input())
dic = {}
for j in range(A):
x,y = map(int, input().split())
dic[x-1] = y
table.append(dic)
res = 0
for i in range(2**N-1):
bi = [j for j in range(N) if (i >> j &1)]
dic = {}
for b in bi:
dic[b] = 1
endfor = False
for b1 in bi:
if endfor:
break
said = table[b1]
for k in said.keys():
if k not in dic.keys():
if said[k]:
endfor = True
break
dic[k] = said[k]
elif dic[k] == said[k]:
continue
else:
endfor = True
break
if not endfor:
res = max(res, len(bi))
print(res)
|
N = int(input())
table = []
for i in range(N):
A = int(input())
dic = {}
for j in range(A):
x,y = map(int, input().split())
dic[x-1] = y
table.append(dic)
res = 0
for i in range(2**N):
bi = [j for j in range(N) if (i >> j &1)]
dic = {}
for b in bi:
dic[b] = 1
endfor = False
for b1 in bi:
if endfor:
break
said = table[b1]
for k in said.keys():
if k not in dic.keys():
if said[k]:
endfor = True
break
dic[k] = said[k]
elif dic[k] == said[k]:
continue
else:
endfor = True
break
if not endfor:
res = max(res, len(bi))
print(res)
|
[
"expression.operation.binary.remove"
] | 641,259
| 641,260
|
u922487073
|
python
|
p02837
|
N = int(input())
s = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x, y = map(int, input().split())
s[i].append((x - 1, y))
result = 0
for i in range(1, 2 ** N):
consistent = True
for j in range(N):
if (i >> j) & 1 == 0:
continue
for x, y in s[j]:
if (i >> j) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(i)[2:].count('1'))
print(result)
|
N = int(input())
evidences = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x, y = map(int, input().split())
evidences[i].append((x - 1, y))
result = 0
for i in range(1, 2 ** N):
consistent = True
for j in range(N):
if (i >> j) & 1 == 0:
continue
for x, y in evidences[j]:
if (i >> x) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(i)[2:].count('1'))
print(result)
|
[
"assignment.variable.change",
"identifier.change",
"control_flow.branch.if.condition.change"
] | 641,273
| 641,274
|
u347640436
|
python
|
p02837
|
N = int(input())
s = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x, y = map(int, input().split())
s[i].append((x - 1, y))
result = 0
for i in range(1, 2 ** N):
consistent = True
for j in range(N):
if (i >> j) & 1 == 0:
continue
for x, y in s[j]:
if (i >> j) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(i)[2:].count('1'))
print(result)
|
N = int(input())
s = [[] for _ in range(N)]
for i in range(N):
A = int(input())
for _ in range(A):
x, y = map(int, input().split())
s[i].append((x - 1, y))
result = 0
for i in range(1, 2 ** N):
consistent = True
for j in range(N):
if (i >> j) & 1 == 0:
continue
for x, y in s[j]:
if (i >> x) & 1 != y:
consistent = False
break
if not consistent:
break
if consistent:
result = max(result, bin(i)[2:].count('1'))
print(result)
|
[
"identifier.change",
"control_flow.branch.if.condition.change"
] | 641,273
| 641,276
|
u347640436
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"expression.operation.binary.remove",
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 641,282
| 641,283
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 641,284
| 641,283
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
break
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.break.remove"
] | 641,285
| 641,283
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = 0
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = 1
if case == 0:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"assignment.value.change",
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.loop.for.condition.change"
] | 641,286
| 641,287
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 641,282
| 641,287
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 641,284
| 641,287
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
break
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.break.remove"
] | 641,285
| 641,287
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for k in range(2 ** n):
s = [0] * n
cnt = 0
case = 0
for j in range(n):
if (k >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = 1
if case == 0:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = 0
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = 1
if case == 0:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"control_flow.branch.if.condition.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 641,288
| 641,289
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = 0
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = 1
if case == 0:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = 0
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = 1
if case == 0:
ans = max(ans, cnt)
print(ans)
|
[
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change"
] | 641,286
| 641,289
|
u343490140
|
python
|
p02837
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = True
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[l])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = False
if case is True:
ans = max(ans, cnt)
print(ans)
|
n = int(input())
XY = []
for i in range(n):
a = int(input())
xy = []
for j in range(a):
x, y = map(int, input().split())
xy.append([x, y])
XY.append(xy)
ans = 0
for i in range(2 ** n):
s = [0] * n
cnt = 0
case = 0
for j in range(n):
if (i >> j) & 1:
s[n - 1 - j] = 1
cnt += 1
for k in range(n):
if s[k] == 1:
for l in range(len(XY[k])):
if s[XY[k][l][0] - 1] != XY[k][l][1]:
case = 1
if case == 0:
ans = max(ans, cnt)
print(ans)
|
[
"assignment.value.change",
"identifier.change",
"variable_access.subscript.index.change",
"call.arguments.change",
"control_flow.loop.range.bounds.upper.change",
"control_flow.loop.for.condition.change"
] | 641,282
| 641,289
|
u343490140
|
python
|
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