s_id stringlengths 10 10 | p_id stringlengths 6 6 | u_id stringlengths 10 10 | date stringlengths 10 10 | language stringclasses 1
value | original_language stringclasses 11
values | filename_ext stringclasses 1
value | status stringclasses 1
value | cpu_time int64 0 100 | memory stringlengths 4 6 | code_size int64 15 14.7k | code stringlengths 15 14.7k | problem_id stringlengths 6 6 | problem_description stringlengths 358 9.83k | input stringlengths 2 4.87k | output stringclasses 807
values | __index_level_0__ int64 1.1k 1.22M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s406639082 | p04030 | u716117006 | 1594481785 | Python | Python (3.8.2) | py | Accepted | 26 | 9040 | 269 | def resolve():
s = input()
display_str = ""
for i in range(len(s)):
if s[i] == "B":
if len(display_str) != 0:
display_str = display_str[0:-1]
else:
display_str += s[i]
print(display_str)
resolve() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,481 |
s293859497 | p04030 | u536034761 | 1594467019 | Python | Python (3.8.2) | py | Accepted | 25 | 8912 | 155 | S = input()
ans = ""
flag = 0
for s in S[::-1]:
if s == "B":
flag += 1
continue
if flag:
flag -= 1
continue
ans += s
print(ans[::-1]) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,482 |
s672472052 | p04030 | u926046014 | 1594430865 | Python | PyPy3 (7.3.0) | py | Accepted | 74 | 61764 | 125 | s=input()
ans=[]
for i in s:
if i!="B":
ans.append(i)
else:
ans=ans[:-1]
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,483 |
s126263452 | p04030 | u045939752 | 1594424667 | Python | Python (3.8.2) | py | Accepted | 23 | 8920 | 128 | s = input()
ans = ""
for c in s:
if c == 'B':
if len(ans) > 0:
ans = ans[:-1]
else:
ans = ans + c
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,484 |
s724158111 | p04030 | u359573942 | 1594367238 | Python | Python (3.8.2) | py | Accepted | 29 | 9016 | 66 | n=''
for i in input():
n=n[:-1] if i == 'B' else n+i
print(n)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,485 |
s959343970 | p04030 | u886907961 | 1594282472 | Python | Python (3.8.2) | py | Accepted | 26 | 9024 | 135 | n = input()
s = ''
for i in n:
if i== '1' or i == '0':
s+=i
else:
if len(s)>0:
s =s[0:-1]
print(s)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,486 |
s839583416 | p04030 | u786020649 | 1594245645 | Python | Python (3.8.2) | py | Accepted | 31 | 8972 | 106 | s=input()
ans=''
for x in s:
if x!='B':
ans+=x
else:
if x!='':
ans=ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,487 |
s334537220 | p04030 | u684743124 | 1594244539 | Python | Python (3.8.2) | py | Accepted | 23 | 9012 | 121 | s=input()
ans=""
for i in s:
if i == "1"or i=="0":
ans+=i
else:
if len(ans)>0:
ans=ans[0:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,488 |
s096146912 | p04030 | u007381711 | 1594236880 | Python | Python (3.8.2) | py | Accepted | 33 | 9340 | 261 | # -*- coding:utf-8 -*-
import sys
from collections import deque
input = sys.stdin.readline
s = list(input())
d = deque()
for i in s:
if (i=='B')&(len(d)!=0):
d.pop()
elif (i=='B')&(len(d)==0):
continue
else:
d.append(i)
print(''.join(list(d))) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,489 |
s121791865 | p04030 | u062999487 | 1594230726 | Python | PyPy3 (7.3.0) | py | Accepted | 65 | 61428 | 237 | S=list(input())
ans = [] #答え用意
for s in S:
if s != 'B':
ans.append(s) #末尾に要素追加
elif len(ans) != 0: #長さ
del ans[-1] #指定した位置(今回は末尾:-1)の要素を削除
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,490 |
s585027989 | p04030 | u642012866 | 1594215805 | Python | Python (3.8.2) | py | Accepted | 27 | 8916 | 186 | S = input()
res = []
for s in S:
if s == "0":
res.append("0")
elif s == "1":
res.append("1")
else:
if res:
res.pop()
print("".join(res)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,491 |
s914479594 | p04030 | u503111914 | 1594180173 | Python | Python (3.8.2) | py | Accepted | 29 | 9040 | 219 | ans = []
for i in input():
if i == "0":
ans.append("0")
elif i == "1":
ans.append("1")
else:
if len(ans) == 0:
None
else:
ans.pop()
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,492 |
s515712878 | p04030 | u509739538 | 1594145520 | Python | Python (3.8.2) | py | Accepted | 32 | 9348 | 428 | from collections import defaultdict
from collections import deque
import itertools
import math
def readInt():
return int(input())
def readInts():
return list(map(int, input().split()))
def readChar():
return input()
def readChars():
return input().split()
d = deque()
for i in input():
if i=="0":
d.appe... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,493 |
s559849949 | p04030 | u619144316 | 1594093173 | Python | Python (3.8.2) | py | Accepted | 30 | 9324 | 305 | def main():
from collections import deque
s = list(input())
ans = deque([])
for i in s:
if i == '0':
ans.append('0')
elif i == '1':
ans.append('1')
else:
if len(ans)!= 0:
ans.pop()
print(''.join(ans))
main() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,494 |
s444658157 | p04030 | u591503175 | 1594088088 | Python | Python (3.8.2) | py | Accepted | 26 | 9308 | 419 | import collections
def resolve():
'''
code here
'''
s = collections.deque([item for item in input()])
que = collections.deque()
while s:
try:
temp = s.popleft()
if temp == 'B':
que.pop()
else:
que.append(temp)
... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,495 |
s872032591 | p04030 | u188138642 | 1594088066 | Python | Python (3.8.2) | py | Accepted | 27 | 9040 | 176 | s = input()
ans = []
for i in s:
if i=='0':
ans.append('0')
elif i=='1':
ans.append('1')
elif i=='B' and ans:
ans.pop()
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,496 |
s981768210 | p04030 | u917558625 | 1594075933 | Python | Python (3.8.2) | py | Accepted | 25 | 8860 | 94 | s=input()
t=''
for i in s:
if i!='B':
t+=i
else:
if t!='':
t=t[:-1]
print(t) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,497 |
s787495109 | p04030 | u693173434 | 1594073171 | Python | Python (3.8.2) | py | Accepted | 31 | 9272 | 231 | from collections import deque
s=input()
d=deque()
for i in range(len(s)):
if s[i]=="1":
d.append("1")
elif s[i]=="0":
d.append("0")
else:
if len(d)!=0:
d.pop()
L="".join(d)
print(L) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,498 |
s846274286 | p04030 | u157232135 | 1594051865 | Python | Python (3.8.2) | py | Accepted | 26 | 8884 | 222 | def main():
a=[]
for s in input():
if s == "B":
if len(a) > 0:
a.pop()
else:
a.append(s)
print("".join(a))
pass
if __name__ == "__main__":
main() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,499 |
s557546442 | p04030 | u875769753 | 1594044035 | Python | PyPy3 (7.3.0) | py | Accepted | 64 | 61424 | 210 | S = input()
st = ''
for si in S:
if si == '0':
st += '0'
if si == '1':
st += '1'
if si == 'B':
if st == '':
pass
else:
st = st[0:-1]
print(st) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,500 |
s918243309 | p04030 | u168416324 | 1594039255 | Python | Python (3.8.2) | py | Accepted | 28 | 8896 | 156 | s=list(input())
out=[]
for i in s:
if i=="B":
if out==[]:
continue
out.pop()
else:
out.append(i)
ou=""
for i in out:
ou+=i
print(ou) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,501 |
s443420813 | p04030 | u849029577 | 1593993855 | Python | PyPy3 (7.3.0) | py | Accepted | 64 | 61800 | 110 | s = input()
ans = ""
for i in s:
if i == "B":
ans = ans[:-1]
else:
ans += i
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,502 |
s815537957 | p04030 | u085717502 | 1593959979 | Python | Python (3.8.2) | py | Accepted | 28 | 9036 | 252 | #!/usr/bin/env python
# coding: utf-8
# In[5]:
s = input()
# In[6]:
ans = []
for i,w in enumerate(s):
if w == "B" and len(ans) != 0:
ans.pop(-1)
elif w == "0" or w == "1":
ans.append(w)
print("".join(ans))
# In[ ]:
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,503 |
s029740061 | p04030 | u371385198 | 1593889364 | Python | Python (3.8.2) | py | Accepted | 28 | 9056 | 170 | s = input()
ans = list()
for ss in s:
if ss == '0':
ans.append('0')
elif ss == '1':
ans.append('1')
else:
if ans:
ans.pop(-1)
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,504 |
s150390066 | p04030 | u978167553 | 1593884977 | Python | Python (3.8.2) | py | Accepted | 29 | 9060 | 142 | s = input()
ans = ""
for c in s:
if c == "B":
if len(ans) > 0:
ans = ans[:-1]
else:
ans += c
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,505 |
s715741234 | p04030 | u203669169 | 1593824703 | Python | Python (3.8.2) | py | Accepted | 26 | 8964 | 112 | S = input()
ret = ""
for i in S:
if i != "B":
ret += i
else:
ret = ret[:-1]
print(ret) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,506 |
s287735843 | p04030 | u417096287 | 1593801556 | Python | PyPy3 (7.3.0) | py | Accepted | 63 | 61560 | 136 | S = list(input())
ans = ""
for s in S:
if s == "B":
ans = ans[:len(ans) - 1]
else:
ans += s
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,507 |
s512344805 | p04030 | u453306058 | 1593788073 | Python | Python (3.8.2) | py | Accepted | 27 | 8968 | 229 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == '0':
ans += '0'
elif s[i] == '1':
ans += '1'
else:
if ans == '':
continue
else:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,508 |
s341109478 | p04030 | u445256674 | 1593718196 | Python | Python (3.8.2) | py | Accepted | 25 | 9032 | 243 | s = input()
result = ''
for i in range(0, len(s)):
if(s[i] == '0'):
result = result + '0'
elif(s[i] == '1'):
result = result + '1'
elif(s[i] == 'B'):
if(len(result) > 0):
result = result[ 0 : len(result)-1 ]
print(result) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,509 |
s576506532 | p04030 | u357751375 | 1593715077 | Python | Python (3.8.2) | py | Accepted | 31 | 9064 | 259 | s = input()
t = []
r = 0
for i in range(len(s)):
if s[i] == '0':
t.append('0')
r += 1
elif s[i] == '1':
t.append('1')
r += 1
else:
if r != 0:
t.pop(r-1)
r -= 1
print(''.join(t)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,510 |
s918147767 | p04030 | u333591669 | 1593710189 | Python | Python (3.8.2) | py | Accepted | 31 | 9048 | 287 | def key():
a=input()
b=''
for i in range(0,len(a)):
if a[i]=='0':
b+='0'
elif a[i]=='1':
b+='1'
elif a[i]=='B':
if len(b)==0:
continue
else:
b=b[0:-1]
print(b)
key()
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,511 |
s137175755 | p04030 | u520018621 | 1593673450 | Python | Python (3.8.2) | py | Accepted | 24 | 9044 | 135 | arr = input()
new = ""
for x in arr:
if x == "B":
if new:
new = new[:-1]
else:
new += x
print(new)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,512 |
s757193763 | p04030 | u061361273 | 1593660022 | Python | Python (3.8.2) | py | Accepted | 26 | 9104 | 248 | def hi():
a = input()
key = ""
for i in range(len(a)):
if a[i]=='0':
key += '0'
elif a[i]=='1':
key += '1'
elif a[i]=='B':
if len(key) == 0:
continue
else:
key = key[0:-1]
print(key)
hi() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,513 |
s037556372 | p04030 | u760831084 | 1593641898 | Python | Python (3.8.2) | py | Accepted | 29 | 8956 | 110 | S = input()
ans = ''
for s in S:
if s == 'B':
ans = ans[:-1]
else:
ans += s
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,514 |
s409768740 | p04030 | u760831084 | 1593641780 | Python | Python (3.8.2) | py | Accepted | 29 | 9048 | 151 | S = input()
ans = ''
for s in S:
if s == '0' or s == '1':
ans += s
else:
if len(ans) > 0:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,515 |
s121175186 | p04030 | u760831084 | 1593641615 | Python | Python (3.8.2) | py | Accepted | 30 | 8984 | 162 | S = input()
ans = []
for s in S:
if s == '0' or s == '1':
ans.append(s)
else:
if len(ans) > 0:
ans.pop(-1)
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,516 |
s476869340 | p04030 | u345710188 | 1593572065 | Python | Python (3.8.2) | py | Accepted | 27 | 9100 | 209 | s = list(str(input()))
answer = ""
for i in s:
if i == "0":
answer = answer + "0"
elif i == "1":
answer = answer + "1"
elif i == "B":
answer = answer[:-1]
print(answer)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,517 |
s588018840 | p04030 | u858645668 | 1593546268 | Python | Python (3.8.2) | py | Accepted | 27 | 8980 | 121 | s = input()
r = ""
for i in s:
if i == '0':
r = r+'0'
elif i == '1':
r = r+'1'
else:
r = r[0:len(r)-1]
print(r) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,518 |
s164277903 | p04030 | u243572357 | 1593537793 | Python | Python (3.8.2) | py | Accepted | 24 | 9092 | 135 | s = input()
stack = []
for i in s:
if i == 'B' and stack:
stack.pop()
elif i != 'B':
stack.append(i)
print(''.join(stack)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,519 |
s713038732 | p04030 | u506910932 | 1593457014 | Python | Python (3.8.2) | py | Accepted | 25 | 9004 | 186 | s = input()
ans = []
for c in s:
if c == '0':
ans.append('0')
elif c == '1':
ans.append('1')
else:
if ans:
ans.pop()
print(''.join(ans))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,520 |
s055663919 | p04030 | u552738814 | 1593449801 | Python | Python (3.8.2) | py | Accepted | 29 | 9096 | 221 | s = input()
list = []
for i in s:
if i == "0":
list.append(i)
elif i == "1":
list.append(i)
elif i == "B" and list != []:
list.pop(-1)
else:
continue
print("".join(list)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,521 |
s164672182 | p04030 | u679817762 | 1593377093 | Python | Python (3.8.2) | py | Accepted | 27 | 8980 | 260 | #入力
input = input()
text = ''
#操作
for i in range(len(input)):
if input[i] == '0':
text = text + '0'
elif input[i] == '1':
text = text + '1'
elif input[i] == 'B':
if text != '':
text = text[:-1]
#出力
print(text) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,522 |
s047625307 | p04030 | u492910842 | 1593357713 | Python | PyPy3 (7.3.0) | py | Accepted | 63 | 61800 | 195 | s=input()
ans=[]
for i in s:
if i=="0":
ans.append("0")
elif i=="1":
ans.append("1")
else:
if len(ans)>=1:
ans.pop(len(ans)-1)
else:
continue
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,523 |
s981875284 | p04030 | u643679148 | 1593346945 | Python | Python (3.8.2) | py | Accepted | 28 | 9028 | 196 | ss = input()
ans = []
for s in ss:
if s == '0':
ans.append('0')
elif s == '1':
ans.append('1')
elif s == 'B' and len(ans) != 0:
ans.pop()
print(''.join(ans))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,524 |
s112201099 | p04030 | u017050982 | 1593305245 | Python | Python (3.8.2) | py | Accepted | 25 | 9120 | 143 | s = list(input())
ans = []
for i in s:
if i == 'B':
if len(ans) != 0: ans.pop()
else:
ans.append(i)
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,525 |
s517558245 | p04030 | u603958124 | 1593303123 | Python | Python (3.8.2) | py | Accepted | 30 | 9004 | 181 | s = input()
t = []
for x in s:
if x == "0":
t.append("0")
elif x == "1":
t.append("1")
else:
if len(t) > 0:
t.pop()
print(*t,sep='') | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,526 |
s149015692 | p04030 | u871841829 | 1593297385 | Python | Python (3.8.2) | py | Accepted | 27 | 9016 | 142 | s = input()
t = []
for c in s:
if c == "B":
if len(t) != 0:
t.pop()
else:
t.append(c)
print("".join(t))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,527 |
s461868279 | p04030 | u479937725 | 1593295439 | Python | Python (3.8.2) | py | Accepted | 27 | 9088 | 121 | S = input()
A = []
for s in S:
if s=="0" or s=="1":
A.append(s)
else:
A = A[:len(A)-1]
print(*A,sep="") | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,528 |
s736736586 | p04030 | u239725287 | 1593283336 | Python | Python (3.8.2) | py | Accepted | 26 | 9008 | 430 | import sys
def I(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def main():
s = input()
ans = []
for i in range(len(s)):
if s[i] == 'B':
if ans:
ans.pop()
e... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,529 |
s973806012 | p04030 | u088488125 | 1593279091 | Python | Python (3.8.2) | py | Accepted | 28 | 8928 | 195 | s=input()
out=""
for i in range(len(s)):
if s[i]=="0":
out=out+"0"
elif s[i]=="1":
out=out+"1"
elif s[i]=="B":
if out=="":
continue
else:
out=out[:-1]
print(out) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,530 |
s636498861 | p04030 | u160224209 | 1593257186 | Python | Python (3.8.2) | py | Accepted | 25 | 9324 | 242 | from collections import deque
s = input()
de = deque()
for i in s:
if i == "0":
de.append("0")
elif i == "1":
de.append("1")
elif i == "B":
if len(de) != 0:
de.pop()
ans = "".join(de)
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,531 |
s599782075 | p04030 | u618369407 | 1593222332 | Python | Python (3.8.2) | py | Accepted | 26 | 9064 | 198 | # -*- coding: utf-8 -*-
s = list(str(input()))
c = []
for x in s:
if x != 'B':
c.append(x)
elif x == 'B' and c != []:
c.pop()
else:
continue
print(*c, sep='') | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,532 |
s817832128 | p04030 | u912650255 | 1593129385 | Python | Python (3.8.2) | py | Accepted | 31 | 9024 | 151 | s = input()
ans=''
for i in s:
if i == '0':
ans += '0'
elif i =='1':
ans += '1'
else:
ans = ans[0:-1]
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,533 |
s869579194 | p04030 | u971811058 | 1593124709 | Python | Python (3.8.2) | py | Accepted | 31 | 9392 | 631 | # Begin Header {{{
from math import gcd
from collections import Counter, deque, defaultdict
from heapq import heappush, heappop, heappushpop, heapify, heapreplace, merge
from bisect import bisect_left, bisect_right, bisect, insort_left, insort_right, insort
from itertools import accumulate, product, permutations, combi... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,534 |
s248464670 | p04030 | u971811058 | 1593124142 | Python | Python (3.8.2) | py | Accepted | 32 | 9372 | 704 | # Begin Header {{{
from math import gcd
from collections import Counter, deque, defaultdict
from heapq import heappush, heappop, heappushpop, heapify, heapreplace, merge
from bisect import bisect_left, bisect_right, bisect, insort_left, insort_right, insort
from itertools import accumulate, product, permutations, combi... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,535 |
s488545107 | p04030 | u971811058 | 1593123773 | Python | Python (3.8.2) | py | Accepted | 27 | 9260 | 719 | # Begin Header {{{
from math import gcd
from collections import Counter, deque, defaultdict
from heapq import heappush, heappop, heappushpop, heapify, heapreplace, merge
from bisect import bisect_left, bisect_right, bisect, insort_left, insort_right, insort
from itertools import accumulate, product, permutations, combi... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,536 |
s027925997 | p04030 | u697615293 | 1593093342 | Python | Python (3.8.2) | py | Accepted | 26 | 8992 | 267 | a = list(input())
b = []
for i,j in enumerate(a):
if j == str("0"):
b += str("0")
elif j == str("1"):
b += str("1")
elif j == str("B"):
if not b:
pass
else:
del b[len(b)-1]
print("".join(b)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,537 |
s630150472 | p04030 | u519968172 | 1593065487 | Python | Python (3.8.2) | py | Accepted | 25 | 9032 | 107 | s=input()
ss=""
for m in s:
if m=="B":
if ss!="":
ss=ss[:-1]
else:
ss+=m
print(ss)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,538 |
s672214003 | p04030 | u289288647 | 1593049612 | Python | Python (3.8.2) | py | Accepted | 27 | 8988 | 204 | s = input()
ans = []
for i in s:
if i == '0':
ans.append('0')
elif i == '1':
ans.append('1')
else:
if len(ans) > 0:
ans.pop()
print(''.join(ans))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,539 |
s202277218 | p04030 | u981898278 | 1593031699 | Python | Python (3.8.2) | py | Accepted | 26 | 8976 | 274 | s = list(input())
out = ''
for i in range(len(s)):
#print("s[{}] = {}".format(i, s[i]))
if s[i] == "B":
if out:
out = out[:-1]
elif s[i] == "0":
out = out + "0"
elif s[i] == "1":
out = out + "1"
print(out)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,540 |
s780268234 | p04030 | u793430793 | 1592975777 | Python | Python (3.8.2) | py | Accepted | 28 | 9112 | 235 | #ABC043Bprint(1,end='')
s=input()
s_=[]
for i in range(len(s)):
if s[i]=="1":
s_.append("1")
if s[i]=="0":
s_.append("0")
if s[i]=="B":
if len(s_)!=0:
s_.pop()
print(''.join(s_)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,541 |
s982916288 | p04030 | u578580291 | 1592970163 | Python | Python (3.8.2) | py | Accepted | 27 | 8984 | 404 | def display():
s = input()
out = []
final = ''
for i in range(len(s)):
key = s[i]
if key == '0':
out.append('0')
if key == '1':
out.append('1')
if key == 'B':
if len(out) > 0:
out.pop()
for i in range(len(... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,542 |
s387458069 | p04030 | u137646745 | 1592965427 | Python | Python (3.8.2) | py | Accepted | 33 | 8968 | 111 | s=input()
ans=""
for a in s:
if a=="0" or a=="1":
ans+=a
else:
ans=ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,543 |
s988067614 | p04030 | u514118270 | 1592951519 | Python | Python (3.8.2) | py | Accepted | 38 | 9892 | 589 | import sys
import math
import itertools
import bisect
from copy import copy
from collections import deque,Counter
from decimal import Decimal
def s(): return input()
def i(): return int(input())
def S(): return input().split()
def I(): return map(int,input().split())
def L(): return list(input().split())
def l(): retur... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,544 |
s422006828 | p04030 | u014333473 | 1592949123 | Python | Python (3.8.2) | py | Accepted | 30 | 9032 | 196 | s=input()
result = []
for i in s:
if i=='0':
result.append('0')
elif i=='1':
result.append('1')
elif i=='B':
if not result:
continue
result.pop()
print(''.join(result)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,545 |
s821991349 | p04030 | u759412327 | 1592944726 | Python | Python (3.8.2) | py | Accepted | 24 | 9028 | 78 | a = ""
for s in input():
if s=="B":
a=a[:-1]
else:
a+=s
print(a) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,546 |
s328582436 | p04030 | u759412327 | 1592944694 | Python | Python (3.8.2) | py | Accepted | 29 | 8780 | 98 | a = ""
for s in input():
if s=="B":
if len(a)!=0:
a=a[:-1]
else:
a+=s
print(a) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,547 |
s104032999 | p04030 | u583507988 | 1592935068 | Python | Python (3.8.2) | py | Accepted | 32 | 9040 | 206 | s = str(input())
ans = []
for i in s:
if i == '0':
ans.append('0')
elif i == '1':
ans.append('1')
elif i == 'B':
if ans == []:
continue
else:
ans.pop()
print(*ans, sep='') | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,548 |
s183773819 | p04030 | u663263525 | 1592930161 | Python | PyPy3 (7.3.0) | py | Accepted | 80 | 64364 | 209 | from collections import deque
s = list(input())
l = deque()
for i in s:
if i == 'B':
if l:
l.pop()
else:
continue
else:
l.append(i)
print("".join(l))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,549 |
s171619421 | p04030 | u804954217 | 1592929374 | Python | Python (3.8.2) | py | Accepted | 26 | 8992 | 147 | s = input()
txt = []
for c in s:
if c == 'B':
if len(txt):
txt.pop()
else:
txt.append(c)
print(''.join(txt))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,550 |
s780772149 | p04030 | u790012205 | 1592904788 | Python | Python (3.8.2) | py | Accepted | 28 | 8976 | 174 | S = list(input())
A = ''
for s in S:
if s == '0' or s == '1':
A = A + s
else:
if len(A) == 0:
continue
A = A[:len(A) - 1]
print(A) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,551 |
s223124053 | p04030 | u344813796 | 1592875343 | Python | Python (3.8.2) | py | Accepted | 31 | 9112 | 192 | s=list(str(input()))
ans=[]
for i in s:
if i=='1':
ans.append('1')
elif i=='0':
ans.append('0')
else:
if ans:
ans.pop(-1)
else:
continue
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,552 |
s441226320 | p04030 | u723792785 | 1592860229 | Python | Python (3.8.2) | py | Accepted | 27 | 9008 | 123 | s = input()
ans = ""
for i in s:
if i == "0":
ans += "0"
elif i == "1":
ans += "1"
else:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,553 |
s263567352 | p04030 | u440566786 | 1592777260 | Python | PyPy3 (7.3.0) | py | Accepted | 64 | 61464 | 332 | import sys
INF = 1 << 60
MOD = 10**9 + 7 # 998244353
sys.setrecursionlimit(2147483647)
input = lambda:sys.stdin.readline().rstrip()
def resolve():
stack = []
for c in input():
if c != 'B':
stack.append(c)
else:
if stack:
stack.pop()
print(''.join(stack... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,554 |
s600368927 | p04030 | u600261652 | 1592769752 | Python | Python (3.8.2) | py | Accepted | 28 | 8916 | 285 | def resolve():
s = input()
lis = []
ans = ""
for i in range(len(s)):
if s[i] != "B":
lis.append(s[i])
elif s[i] == "B" and len(lis) != 0:
lis = lis[:-1]
for j in range(len(lis)):
ans += lis[j]
print(ans)
resolve() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,555 |
s031852063 | p04030 | u060793972 | 1592768303 | Python | Python (3.8.2) | py | Accepted | 26 | 9028 | 122 | s=''
for i in input():
if i=='B':
if s!='':
s=s[:-1]
else:
s+=i
#print(s)
print(s) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,556 |
s462787683 | p04030 | u132892633 | 1592767659 | Python | Python (3.8.2) | py | Accepted | 27 | 9012 | 188 | s = list(input())
ans = []
for i in s:
if i == 'B':
if ans == []:
continue
else:
del ans[-1]
else:
ans.append(i)
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,557 |
s111364466 | p04030 | u373047809 | 1592766889 | Python | Python (3.8.2) | py | Accepted | 26 | 8984 | 116 | s = []
for t in input():
if t == "B":
try:s.pop()
except:pass
else:s += t,
print("".join(s)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,558 |
s220059485 | p04030 | u137228327 | 1592737568 | Python | Python (3.8.2) | py | Accepted | 23 | 8992 | 191 | st = str(input())
#print(st)
lst = []
for i in range(len(st)):
if st[i] == 'B':
if len(lst) > 0:
lst.pop()
else:
lst.append(st[i])
print(''.join(lst))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,559 |
s265006034 | p04030 | u724012411 | 1592707041 | Python | Python (3.8.2) | py | Accepted | 31 | 9092 | 161 | s=input()
ans=[]
for x in s:
if x=='B' and len(ans)>0:
del(ans[len(ans)-1])
elif x!='B':
ans.append(x)
for x in ans:
print(x,end="")
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,560 |
s249562780 | p04030 | u623349537 | 1592701062 | Python | Python (3.8.2) | py | Accepted | 31 | 9092 | 150 | s = input()
ans = ""
for c in s:
if c == "1":
ans += "1"
elif c == "0":
ans += "0"
else:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,561 |
s734315788 | p04030 | u309716323 | 1592677107 | Python | PyPy3 (7.3.0) | py | Accepted | 62 | 61960 | 377 | def read_int():
return int(input().strip())
def read_ints():
return list(map(int, input().strip().split(' ')))
def solve():
S = input().strip()
stack = []
for s in S:
if s == 'B':
if stack:
stack.pop()
else:
stack.append(s)
return ''.jo... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,562 |
s289315638 | p04030 | u495667483 | 1592619652 | Python | PyPy3 (7.3.0) | py | Accepted | 71 | 61768 | 292 | def mi():
return map(int, input().split())
def ii():
return int(input())
def main():
s = input()
ans = ''
for c in s:
if c == 'B':
ans = ans[:-1] if ans else ans
else:
ans += c
print(ans)
if __name__ == '__main__':
main() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,563 |
s727495250 | p04030 | u951289777 | 1592594727 | Python | Python (3.8.2) | py | Accepted | 31 | 9008 | 231 | order = input()
order = list(order)
text = []
for o in order:
if o == "0":
text += "0"
elif o == "1":
text += "1"
elif o == "B":
if text != []:
del text[-1]
print("".join(text)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,564 |
s962892023 | p04030 | u701077471 | 1592588945 | Python | Python (3.8.2) | py | Accepted | 28 | 9012 | 92 | t = ""
for x in input():
if x=="B":
t = t[:-1]
else:
t += x
print(t) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,565 |
s354532558 | p04030 | u188827677 | 1592582590 | Python | Python (3.8.2) | py | Accepted | 31 | 9316 | 186 | from collections import deque
s = input()
stack = deque()
for i in s:
if i == "0" or i == "1": stack.append(i)
else:
if len(stack) > 0:
stack.pop()
print(*stack, sep = "") | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,566 |
s488429754 | p04030 | u131411061 | 1592576792 | Python | Python (3.8.2) | py | Accepted | 26 | 8880 | 109 | s = input()
res = ''
for i in s:
if i=='B':
res = res[:-1]
else:
res += i
print(res) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,567 |
s243760115 | p04030 | u197237612 | 1592544205 | Python | Python (3.8.2) | py | Accepted | 26 | 8980 | 156 | s = list(input())
ans = []
for i in s:
if i is not 'B':
ans.append(i)
elif len(ans) != 0:
ans.pop()
else:
pass
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,568 |
s947825865 | p04030 | u922449550 | 1592529166 | Python | Python (3.8.2) | py | Accepted | 29 | 8964 | 125 | S = input()
ans = []
for s in S:
if s == 'B' and ans:
ans.pop()
elif s != 'B':
ans.append(s)
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,569 |
s289982058 | p04030 | u073852194 | 1592520440 | Python | Python (3.8.2) | py | Accepted | 30 | 9040 | 190 | s = input()
res = list()
for i in range(len(s)):
if s[i] == 'B' and res:
res.pop()
elif s[i] == 'B':
continue
else:
res.append(s[i])
print(''.join(res)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,570 |
s792377772 | p04030 | u847901871 | 1592455010 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 157 | s = list(input())
result = []
for word in s:
if word == 'B':
if result != []:
result.pop()
else:
result.append(word)
print(''.join(result)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,571 |
s317781434 | p04030 | u771007149 | 1592452664 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 274 | #ABC043-B
s = input()
result = []
for i in s:
if i == '0':
result.append('0')
elif i == '1':
result.append('1')
else:
if len(result) == 0:
continue
else:
result.pop(-1)
print("".join(result)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,572 |
s416519048 | p04030 | u687574784 | 1592362340 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 147 | s = input()
ans = []
for key in s:
if key=='B':
if ans:
ans.pop()
else:
ans.append(key)
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,573 |
s160589203 | p04030 | u257162238 | 1592362085 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 318 | import sys
input = sys.stdin.readline
def read():
S = input().strip()
return S,
def solve(S):
k = []
for s in S:
if s != "B":
k.append(s)
elif len(k) > 0:
k.pop()
return "".join(k)
if __name__ == '__main__':
inputs = read()
print(solve(*inputs))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,574 |
s836284245 | p04030 | u131881594 | 1592329800 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 166 | s=input()
ans=""
for b in s:
if b=="1":
ans+="1"
elif b=="0":
ans+="0"
else:
if len(ans)!=0:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,575 |
s536365828 | p04030 | u488670118 | 1592181811 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 206 | s = list(input())
nows = []
for x in s:
if x == "B":
if len(nows) == 0:
continue
else:
nows.pop(-1)
else:
nows.append(x)
print("".join(nows))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,576 |
s757263721 | p04030 | u434966508 | 1592178190 | Python | Python (3.4.3) | py | Accepted | 22 | 3444 | 204 | import copy
s=str(input())
ans=[]
for i in s:
if i=='0':
ans.append('0')
elif i=='1':
ans.append('1')
else:
if len(ans)>0:
del(ans[-1])
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,577 |
s227089044 | p04030 | u013513417 | 1592139913 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 233 | from collections import deque
S=input()
d=deque()
for i in range(len(S)):
if S[i]!="B":
d.append(S[i])
elif len(d)!=0 and S[i]=="B":
tmp=d.pop()
Z=list(d)
Z=[str(a) for a in Z]
Z="".join(Z)
print(Z)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,578 |
s104614136 | p04030 | u763249708 | 1592069699 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 180 | s = input()
ans = ""
for i in s:
if i == '0':
ans += '0'
elif i == '1':
ans += '1'
else:
if len(ans) > 0:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,579 |
s844301355 | p04030 | u939026953 | 1592009621 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 174 | A = input()
X = []
for i in range(len(A)):
if A[i] == "0":
X.append("0")
elif A[i] == "1":
X.append("1")
else:
if X != []:
X.pop(-1)
print("".join(X)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,580 |
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