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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s190319858 | p04030 | u564004296 | 1589994095 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 575 | import collections
#文字列を一文字ずつ取得したいとき
def inputStrOnebyOne():
s = list(input())
return s
#整数を一つずつリストに入れる
def inputOnebyOne_Int():
a = list(int(x) for x in input().split())
return a
def main():
s = inputStrOnebyOne()
ret = []
for i in range(len(s)):
if s[i] == "0":
ret.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
| 1,204,681 |
s720629120 | p04030 | u203669169 | 1589990367 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 112 | S = input()
ret = ""
for i in S:
if i == "B":
ret = ret[:-1]
else:
ret += i
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
| 1,204,682 |
s591661051 | p04030 | u884323674 | 1589948531 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 135 | s = input()
ans = ""
for i in range(len(s)):
if s[i] == "B":
ans = ans[:-1]
else:
ans = ans + s[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
| 1,204,683 |
s612456112 | p04030 | u332793228 | 1589938450 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 100 | 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
| 1,204,684 |
s020227118 | p04030 | u134019875 | 1589933628 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 210 | s = str(input())
ans = ''
for i in s:
if i == '0':
ans += '0'
elif i == '1':
ans += '1'
elif i == 'B' and len(ans) >= 1:
ans = ans[:-1]
else:
continue
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
| 1,204,685 |
s370245598 | p04030 | u871980676 | 1589930287 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 183 | S=input()
res = []
for s in S:
if s=='0':
res.append('0')
elif s=='1':
res.append('1')
else:
if res:
res = res[:-1]
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
| 1,204,686 |
s876349741 | p04030 | u339199690 | 1589916247 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 226 | s = input()
res = []
for i in range(len(s)):
if s[i] == "0":
res.append("0")
elif s[i] == "1":
res.append("1")
elif s[i] == "B":
if len(res) > 0:
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
| 1,204,687 |
s547507202 | p04030 | u728611988 | 1589914125 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 238 | s = str(input())
ans = ""
for i in range(len(s)):
if s[i] == "0":
ans += "0"
elif s[i] == "1":
ans += "1"
else:
if len(ans) == 0:
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
| 1,204,688 |
s704595859 | p04030 | u888100977 | 1589887917 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 245 | s = input()
ans = ""
for i in range(len(s)):
if s[i] == "0":
ans += "0"
elif s[i] == "1":
ans += "1"
elif s[i] == "B":
if len(ans) == 0:
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
| 1,204,689 |
s386089636 | p04030 | u455957433 | 1589845482 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 309 | def main():
N = str(input())
result = ""
for c in N:
if c == '0':
result = result + '0'
elif c == '1':
result = result + '1'
elif c == 'B':
result = result[0:len(result)-1]
print(result)
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
| 1,204,690 |
s799992906 | p04030 | u860002137 | 1589827899 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 268 | s_list = list(map(str, input().rstrip()))
ans = []
for s in s_list:
if s=="0":
ans.append("0")
elif s=="1":
ans.append("1")
elif s=="B":
if len(ans)==0:
continue
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
| 1,204,691 |
s991507783 | p04030 | u025501820 | 1589748239 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 181 | S = input()
ans = ""
for s in S:
if s == "0":
ans += "0"
elif s == "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
| 1,204,692 |
s682012531 | p04030 | u518958552 | 1589747590 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 216 | s = input()
l = []
for i in s:
if i == "0":
l.append("0")
elif i == "1":
l.append("1")
else:
if len(l) != 0:
del l[-1]
else:
pass
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
| 1,204,693 |
s298862100 | p04030 | u679089074 | 1589743109 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 203 | S = input()
cha = list(S)
plist = []
for i in cha:
if i == "B":
if plist != []:
del plist[-1]
else:
plist.append(i)
plist = "".join(plist)
print(plist) | 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
| 1,204,694 |
s888208797 | p04030 | u614181788 | 1589739088 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 208 | s = input()
t = []
for i in range(len(s)):
if s[i] == "0":
t.append('0')
elif s[i] == "1":
t.append('1')
else:
if len(t) != 0:
del t[-1]
w = ''.join(t)
print(w) | 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
| 1,204,695 |
s229268944 | p04030 | u877283726 | 1589734892 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 166 | s = input()
ans = []
for i in range(len(s)):
if s[i] == "B":
if ans != []:
ans.pop()
else:
ans.append(s[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
| 1,204,696 |
s275693307 | p04030 | u380534719 | 1589665890 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 96 | s=input()
ans = ""
for x in s:
if x == 'B':
ans = ans[:-1]
else:
ans += x
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
| 1,204,697 |
s989025357 | p04030 | u601575292 | 1589655464 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 151 | s = input()
ans = ""
for s_i in s:
if s_i == "B" and ans == "": continue
if s_i == "B": ans = ans[:len(ans)-1]
else: ans = ans + s_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
| 1,204,698 |
s073843147 | p04030 | u480300350 | 1589655309 | Python | Python (3.4.3) | py | Accepted | 18 | 3064 | 3,029 | #!/usr/bin/env python3
import sys
# import math
# from string import ascii_lowercase, ascii_upper_case, ascii_letters, digits, hexdigits
# import re # re.compile(pattern) => ptn obj; p.search(s), p.match(s), p.finditer(s) => match obj; p.sub(after, s)
# from operator import itemgette... | 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
| 1,204,699 |
s791624955 | p04030 | u634079249 | 1589652974 | Python | Python (3.4.3) | py | Accepted | 27 | 3932 | 980 | import sys
import os
import math
import bisect
import collections
import itertools
import heapq
import re
import queue
ii = lambda: int(sys.stdin.buffer.readline().rstrip())
il = lambda: list(map(int, sys.stdin.buffer.readline().split()))
fl = lambda: list(map(float, sys.stdin.buffer.readline().split()))
iln = lambda ... | 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
| 1,204,700 |
s614215837 | p04030 | u595375942 | 1589652816 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 192 | S = list(input())
ans = []
for s in S:
if s == '0' or s == '1':
ans.append(s)
else:
if ans:
ans.pop()
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
| 1,204,701 |
s994984588 | p04030 | u896847891 | 1589651290 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 104 | s = input()
ans = ""
for x in s:
if x == 'B':
ans = ans[:-1]
else:
ans += x
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
| 1,204,702 |
s318896813 | p04030 | u517630860 | 1589649647 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 184 | # -*- coding: utf-8 -*-
s = list(input())
mojiretu = ''
for idx, ji in enumerate(s):
if ji == 'B':
mojiretu = mojiretu[:-1]
else:
mojiretu += ji
print(mojiretu) | 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
| 1,204,703 |
s909585587 | p04030 | u391819434 | 1589598398 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 207 | S=input()
ans=''
for i in S:
if i=='0':
ans+='0'
elif i=='1':
ans+='1'
else:
if len(ans)>=2:
ans=ans[:len(ans)-1]
else:
ans=''
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
| 1,204,704 |
s571345813 | p04030 | u662430503 | 1589597953 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 156 | def main():
num = input()
ans=""
for i in range(0,len(num)):
if num[i]=='B':
ans=ans[:-1]
else:
ans += num[i]
print(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
| 1,204,705 |
s599525022 | p04030 | u156383602 | 1589592548 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 177 | s=input()
a=[]
for i in s:
if i=="0":
a.append("0")
elif i=="1":
a.append("1")
else:
if len(a)!=0:
a.pop()
print("".join(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
| 1,204,706 |
s028086955 | p04030 | u629350026 | 1589512658 | Python | Python (3.4.3) | py | Accepted | 18 | 3064 | 235 | s=str(input())
s=list(s)
temp=[]
i=0
for i in range(0,len(s)):
if s[i]=="1":
temp.insert(0,"1")
elif s[i]=="0":
temp.insert(0,"0")
else:
if len(temp)!=0:
del temp[0]
temp.reverse()
temp="".join(temp)
print(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
| 1,204,707 |
s983146332 | p04030 | u518958552 | 1589512024 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 176 | s = input()
a = []
for i in range(len(s)):
if s[i] == "B":
if len(a) != 0:
a.pop(-1)
else:
a += s[i]
print("".join(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
| 1,204,708 |
s761790998 | p04030 | u737758066 | 1589510351 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 249 | s = input()
ans = []
for i in s:
if i == '0':
ans.append(i)
elif i == '1':
ans.append(i)
elif i == 'B':
if len(ans) != 0:
# ans.remove(ans[-1])
ans = ans[0:len(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
| 1,204,709 |
s712254167 | p04030 | u228232845 | 1589489518 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 154 | s = input()
ans = ''
for c in s:
if c in {'0', '1'}:
ans += c
if c == 'B':
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
| 1,204,710 |
s571315879 | p04030 | u370852395 | 1589476928 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 243 | str_list=[]
tmp=[]
s=''
str_list=list(input())
for i in str_list:
if i =='0':
tmp.append('0')
elif i == '1':
tmp.append('1')
elif i == 'B' and tmp:
tmp.pop()
for i in range(len(tmp)):
s+=tmp[i]
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
| 1,204,711 |
s821935733 | p04030 | u513081876 | 1589465003 | Python | PyPy3 (7.3.0) | py | Accepted | 61 | 61832 | 154 | s = input()
ans = ''
for i in s:
if i == '0' or i == '1':
ans += i
else:
if len(ans) >= 1:
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
| 1,204,712 |
s064784006 | p04030 | u844895214 | 1589463151 | Python | Python (3.8.2) | py | Accepted | 21 | 9140 | 386 | from sys import stdin
def S(): return stdin.readline().rstrip()
def I(): return int(stdin.readline().rstrip())
def LS(): return list(stdin.readline().rstrip().split())
def LI(): return list(map(int,stdin.readline().rstrip().split()))
s = S()
ans = ''
for i in range(len(s)):
if s[i] == '0' or s[i] == '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
| 1,204,713 |
s194823061 | p04030 | u888337853 | 1589447643 | Python | Python (3.8.2) | py | Accepted | 30 | 10316 | 675 | import sys
import re
import math
import collections
import decimal
import bisect
import itertools
import fractions
import functools
import copy
import heapq
import decimal
sys.setrecursionlimit(10000001)
INF = sys.maxsize
MOD = 10 ** 9 + 7
ni = lambda: int(sys.stdin.readline())
ns = lambda: map(int, sys.stdin.readlin... | 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
| 1,204,714 |
s204942930 | p04030 | u761062383 | 1589392062 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 156 | ss = input()
ans = ""
for s in ss:
if s == "0":
ans += "0"
elif s == "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
| 1,204,715 |
s561787459 | p04030 | u835534360 | 1589378602 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 163 | s = input()
n = len(s)
d = []
for i in range(n):
if s[i] == 'B':
if len(d) > 0:
d.pop()
else:
d.append(s[i])
print(''.join(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
| 1,204,716 |
s232205159 | p04030 | u408958033 | 1589329340 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 355 | def cin():
return map(int,input().split())
def cino(test=False):
if not test:
return int(input())
else:
return input()
def cina():
return list(map(int,input().split()))
a = cino(True)
a = list(a)
s = []
for i in a:
if i=='B' and len(s)>0:
s.pop()
elif i=='0' or i=='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
| 1,204,717 |
s738915295 | p04030 | u161857411 | 1589325324 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 180 | s = input()
ans = ""
for btn in s:
if(btn == "0"):
ans = ans + "0"
if(btn == "1"):
ans = ans + "1"
if(btn == "B" and ans != ""):
ans = ans[:len(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
| 1,204,718 |
s984736418 | p04030 | u379142263 | 1589300849 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 404 | import sys
import itertools
sys.setrecursionlimit(1000000000)
from heapq import heapify,heappop,heappush,heappushpop
import math
import collections
MOD = 10**9+7
s = input()
q = []
for i in range(len(s)):
if s[i] == "0":
q.append(0)
elif s[i] == "1":
q.append(1)
elif s[i] == "B" and len(q)!... | 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
| 1,204,719 |
s074003846 | p04030 | u278855471 | 1589292700 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 254 | S = input()
string = ''
for c in S:
if c == '0':
string = string + '0'
elif c == '1':
string = string + '1'
elif c == 'B':
if string == '':
pass
else:
string = string[:-1]
print(string)
| 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
| 1,204,720 |
s774366062 | p04030 | u285891772 | 1589252528 | Python | Python (3.4.3) | py | Accepted | 37 | 5144 | 972 | import sys, re
from collections import deque, defaultdict, Counter
from math import ceil, sqrt, hypot, factorial, pi, sin, cos, tan, asin, acos, atan, radians, degrees, log2
from itertools import accumulate, permutations, combinations, combinations_with_replacement, product, groupby
from operator import itemgetter, mul... | 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
| 1,204,721 |
s538432537 | p04030 | u459215900 | 1589226447 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 127 | inputs = str(input())
ans = ""
for i in inputs:
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
| 1,204,722 |
s469915520 | p04030 | u227085629 | 1589167470 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 145 | s = input()
ans = ''
s_list = list(s)
for num in s_list:
if num == '0' or num == '1':
ans += str(num)
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
| 1,204,723 |
s848978512 | p04030 | u652445326 | 1589156463 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 196 | ope = input()
result = list()
for i in ope:
if i =="0" or i == "1":
result.append(i)
if i =="B":
if len(result)!=0:
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
| 1,204,724 |
s806321200 | p04030 | u397953026 | 1589081791 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 101 | ans=''
s=input()
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
| 1,204,725 |
s120234881 | p04030 | u896741788 | 1589079435 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 114 | ans=""
for i in list(input()):
if ans and i=="B":ans=ans[:-1]
else:ans=ans+i if i!="B" else ans
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
| 1,204,726 |
s703006526 | p04030 | u973108807 | 1589053077 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 126 | s = input()
ans = ""
for k in s:
if k == 'B':
if ans != "":
ans = ans[:len(ans)-1]
else:
ans += k
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
| 1,204,727 |
s732209779 | p04030 | u156815136 | 1589038093 | Python | Python (3.4.3) | py | Accepted | 36 | 5276 | 847 | from statistics import median
#import collections
#aa = collections.Counter(a) # list to list || .most_common(2)で最大の2個とりだせるお a[0][0]
from fractions import gcd
from itertools import combinations # (string,3) 3回
from collections import deque
from collections import defaultdict
import bisect
#
# d = m - k[i] - k[j]
# ... | 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
| 1,204,728 |
s598293021 | p04030 | u276204978 | 1589037940 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 113 | s = input()
ans = ''
for si in s:
if si == 'B':
ans = ans[:-1]
else:
ans += si
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
| 1,204,729 |
s277246909 | p04030 | u562935282 | 1589005157 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 279 | def main():
s = input()
ans = ''
b = 0
for c in reversed(s):
if c == 'B':
b += 1
else:
if b:
b -= 1
continue
ans = c + ans
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
| 1,204,730 |
s720059156 | p04030 | u803617136 | 1588988682 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 159 | s = list(input())
ans = []
for c in s:
if c == 'B':
if len(ans) > 0:
ans = ans[:-1]
else:
ans.append(c)
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
| 1,204,731 |
s698995844 | p04030 | u784022244 | 1588987759 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 127 | S=input()
ans=""
for s in S:
if s!="B":
ans+=s
else:
if ans!="":
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
| 1,204,732 |
s352270072 | p04030 | u922416423 | 1588987554 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 203 | s = str(input())
ans = ''
for i in range(len(s)):
if s[i] == '0':
ans = ans + '0'
elif s[i] == '1':
ans = 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
| 1,204,733 |
s633245732 | p04030 | u054514819 | 1588986893 | Python | Python (3.4.3) | py | Accepted | 20 | 3064 | 185 | S = list(input())
ans = []
for s in S:
if s == '0':
ans.append('0')
elif s=='1':
ans.append('1')
elif len(ans)>=1:
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
| 1,204,734 |
s890585849 | p04030 | u814986259 | 1588986763 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 141 | s = input()
ans = []
for x in s:
if x != 'B':
ans.append(x)
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
| 1,204,735 |
s872818568 | p04030 | u046158516 | 1588986754 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 348 | def convert(s):
# initialization of string to ""
new = ""
# traverse in the string
for x in s:
new += x
# return string
return new
s=input()
a=[]
for i in range(len(s)):
if s[i]=='0':
a.append('0')
elif s[i]=='1':
a.append('1')
else:
if len(a)>0:
... | 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
| 1,204,736 |
s735461946 | p04030 | u029000441 | 1588986742 | Python | Python (3.4.3) | py | Accepted | 22 | 3316 | 966 | import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**7)
from collections import Counter, deque
from collections import defaultdict
from itertools import combinations, permutations, accumulate, groupby, product
from bisect import bisect_left,bisect_right
from heapq import heapify, heappop, heappush
from math ... | 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
| 1,204,737 |
s329642020 | p04030 | u489959379 | 1588986732 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 382 | import sys
sys.setrecursionlimit(10 ** 7)
f_inf = float('inf')
mod = 10 ** 9 + 7
def resolve():
s = input()
res = []
for i in s:
if i == "0":
res.append("0")
elif i == "1":
res.append("1")
else:
if len(res) > 0:
res.pop()
p... | 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
| 1,204,738 |
s072845956 | p04030 | u374802266 | 1588986700 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 217 | s=input()
a=[]
for i in range(len(s)):
if s[i]=='0':
a.append(0)
elif s[i]=='1':
a.append(1)
else:
if len(a)!=0:
a.pop(-1)
for i in range(len(a)):
print(a[i],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
| 1,204,739 |
s074324841 | p04030 | u721316601 | 1588986669 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 143 | S = input()
ans = []
for s in S:
if s == '0': ans.append(s)
elif s == '1': ans.append(s)
elif 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
| 1,204,740 |
s186076641 | p04030 | u691018832 | 1588986644 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 299 | import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
s = read().rstrip().decode()
ans = ''
for ss in s:
if ss == 'B':
if ans:
ans = ans[:-1]
else:
ans += ss
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
| 1,204,741 |
s196838709 | p04030 | u241159583 | 1588986640 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 176 | s = input()
ans = []
ret = True
for v in s:
if v == "0": ans.append("0")
elif v == "1": ans.append("1")
else:
if not ans:continue
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
| 1,204,742 |
s326972714 | p04030 | u535171899 | 1588986628 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 260 | s = input()
ans_li=[]
for i in range(len(s)):
if s[i]==str(0):
ans_li.append(str(0))
if s[i]==str(1):
ans_li.append(str(1))
if s[i]=='B':
if len(ans_li)==0:
continue
del ans_li[-1]
print(''.join(ans_li)) | 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
| 1,204,743 |
s163444672 | p04030 | u056358163 | 1588985021 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 150 | S = input()
ans = []
for s in S:
if s == 'B':
if len(ans) > 0:
ans.pop(-1)
else:
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
| 1,204,744 |
s612585998 | p04030 | u927870520 | 1588907664 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 141 | N=input()
ans=[]
for i in N:
if i=='B':
if not ans==[]:
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
| 1,204,745 |
s226479199 | p04030 | u902151549 | 1588905475 | Python | Python (3.4.3) | py | Accepted | 45 | 5704 | 3,575 | # coding: utf-8
import re
import math
from collections import defaultdict
import itertools
from copy import deepcopy
import random
from heapq import heappop,heappush
import time
import os
import queue
import sys
import datetime
from functools import lru_cache
#@lru_cache(maxsize=None)
readline=sys.stdin.readline
sys.se... | 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
| 1,204,746 |
s290551129 | p04030 | u202826462 | 1588903164 | Python | Python (3.4.3) | py | Accepted | 18 | 3064 | 241 | s = list(input())
ans = []
for i in range(len(s)):
if s[i] == "0":
ans.append("0")
elif s[i] == "1":
ans.append("1")
else:
if len(ans) > 0:
del ans[len(ans) - 1]
ans = ''.join(ans)
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
| 1,204,747 |
s971494807 | p04030 | u306516971 | 1588897212 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 204 | s = input()
ans = ""
for i in range(len(s)):
if s[i] == "0":
ans = ans + "0"
elif s[i] == "1":
ans = ans + "1"
else:
if ans != "":
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
| 1,204,748 |
s491204179 | p04030 | u914797917 | 1588858686 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 148 | s=input()
ans=''
for i in s:
if i=='0':
ans+='0'
elif i=='1':
ans+='1'
elif i=='B' and s!='':
ans=ans[0:len(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
| 1,204,749 |
s128741456 | p04030 | u730257868 | 1588858265 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 455 | s = str(input())
t = 0
a = list()
p = 0
for x in s:
if x == "0":
if p==0:
a.append("0")
else:
a[t] = "0"
p -= 1
t +=1
elif x == "1":
if p==0:
a.append("1")
else:
a[t] = "1"
p-=1
t +=1
eli... | 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
| 1,204,750 |
s405696598 | p04030 | u190079347 | 1588826429 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 204 | s = [p for p in input()]
ans = []
for i in s:
if i == "0":
ans.append("0")
elif i == "1":
ans.append("1")
else:
if len(ans) == 0:
pass
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
| 1,204,751 |
s704377488 | p04030 | u124212130 | 1588825455 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 262 | S = input()
ANSlist = []
for i in range(len(S)):
if S[i] == '0':
ANSlist.append('0')
elif S[i] == '1':
ANSlist.append('1')
elif S[i] == 'B':
if len(ANSlist) >=1:
del ANSlist[-1]
ANS = ''.join(ANSlist)
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
| 1,204,752 |
s944182868 | p04030 | u106971015 | 1588820452 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 233 | from collections import deque
s = input()
ans = deque()
for i in s:
if i == '0' or i == '1':
ans.append(i)
else:
if len(ans) >= 1:
ans.pop()
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
| 1,204,753 |
s136309555 | p04030 | u483748949 | 1588808606 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 134 | s = input()
disp = ''
for i in range(len(s)):
if s[i] == 'B':
disp = disp[0:-1]
else:
disp += s[i]
print(disp) | 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
| 1,204,754 |
s843338773 | p04030 | u393486651 | 1588792018 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 252 | def main():
s = input()
ans = ""
for c in s:
if(c == "0"):
ans += "0"
elif(c == "1"):
ans += "1"
elif(c == "B"):
if(ans != ""):
ans = ans[0:len(ans) - 1]
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
| 1,204,755 |
s715117376 | p04030 | u444722572 | 1588783104 | Python | Python (3.4.3) | py | Accepted | 20 | 3316 | 327 | from collections import deque
s=deque(list(input()))
p=deque()
for i in range(len(s)):
w=s.popleft()
if w=="0":
p.append("0")
elif w=="1":
p.append("1")
else:
if len(p)==0:
continue
else:
p.pop()
for i in range(len(p)):
print(p[i],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
| 1,204,756 |
s753312396 | p04030 | u883040023 | 1588716759 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 188 | S = input()
n = len(S)
stack = []
for i in range(n):
s = S[i]
if s != "B":
stack.append(s)
elif len(stack) > 0:
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
| 1,204,757 |
s629713195 | p04030 | u029000441 | 1588715744 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 861 | import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**7)
from collections import Counter, deque
from collections import defaultdict
from itertools import combinations, permutations, accumulate, groupby, product
from bisect import bisect_left,bisect_right
from heapq import heapify, heappop, heappush
from math ... | 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
| 1,204,758 |
s695972313 | p04030 | u551109821 | 1588715440 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 159 | s = list(input())
ans = []
for i in s:
if i == 'B' :
if len(ans)!= 0:
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
| 1,204,759 |
s478415690 | p04030 | u702208001 | 1588706979 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 91 | S = input()
t = ''
for s in S:
if s == 'B':
t = t[:-1]
else:
t += s
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
| 1,204,760 |
s491834209 | p04030 | u943057856 | 1588705942 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 182 | s=list(input())
ans=[]
for i in s:
if i=="B":
try:
ans.pop(-1)
except IndexError:
pass
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
| 1,204,761 |
s402025203 | p04030 | u588785393 | 1588702737 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 151 | s = list(input())
ans = []
for i in s:
if i == 'B':
if len(ans) != 0:
ans.pop()
else:
ans += 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
| 1,204,762 |
s037552492 | p04030 | u788337030 | 1588701425 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 263 | s = input()
editor = ""
for x in s:
if x == "0":
editor = editor + "0"
elif x == "1":
editor = editor + "1"
else:
if len(editor) == 0:
continue
else:
editor = editor[:len(editor)-1]
print(editor) | 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
| 1,204,763 |
s265633185 | p04030 | u712445873 | 1588694996 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 142 | s = str(input())
text = ""
for i in s:
if i == "0" or i == "1":
text += i
else:
text = text[0:len(text)-1]
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
| 1,204,764 |
s051197956 | p04030 | u188745744 | 1588692134 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 241 | A = list(input())
B = []
for i in range(len(A)):
if A[i] == "0":
B.append("0")
elif A[i] == "1":
B.append("1")
else:
try:
B.pop(-1)
except IndexError:
pass
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
| 1,204,765 |
s816473445 | p04030 | u113750443 | 1588692110 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 441 | def nyu():
S = list(map(str,input()))
return S
def kansu(LS):
ans = []
ans_str =""
for ls in range(len(LS)):
if LS[ls] == "0":
ans.append("0")
elif LS[ls] == "1":
ans.append("1")
else:
if len(ans) > 0 :
ans.pop(... | 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
| 1,204,766 |
s008800748 | p04030 | u085334230 | 1588656164 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 176 | S = input()
res = ""
for i in range(len(S)):
if S[i] == "0":
res += "0"
if S[i] == "1":
res += "1"
if S[i] == "B":
res = res[:-1]
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
| 1,204,767 |
s976419706 | p04030 | u277641173 | 1588606925 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 216 | s=input()
moji=[]
for i in range(0,len(s)):
if s[i]=="1":
moji.append("1")
elif s[i]=="0":
moji.append("0")
else:
try:
moji.pop(-1)
except IndexError:
pass
kk=""
print(kk.join(moji)) | 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
| 1,204,768 |
s540700254 | p04030 | u193264896 | 1588606543 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 460 | import sys
from collections import deque
readline = sys.stdin.buffer.readline
sys.setrecursionlimit(10 ** 8)
INF = float('inf')
MOD = 10 ** 9 + 7
def main():
S = input()
L = len(S)
d = deque()
for i in range(L):
if S[i]=='0':
d.append(0)
elif S[i]=='1':
d.appen... | 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
| 1,204,769 |
s026160220 | p04030 | u244416763 | 1588573897 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 215 | s = str(input())
ans = []
for i in range(len(s)):
if s[i] == "0":
ans.append("0")
elif s[i] == "1":
ans.append("1")
else:
if len(ans):
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
| 1,204,770 |
s762310308 | p04030 | u318127926 | 1588545028 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 179 | s = input()
console = []
for c in s:
if c=='B':
if len(console)>0:
console.pop()
else:
console.append(c)
for c in console:
print(c, 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
| 1,204,771 |
s311167139 | p04030 | u589047182 | 1588541588 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 213 | N = input()
ans = ''
for i in range(len(N)):
if(ans == '' and N[i] == "B"):
pass
elif(ans == '' and N[i] != "B"):
ans = N[i]
elif(N[i] == "B"):
ans = ans[:-1]
else:
ans += N[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
| 1,204,772 |
s461013650 | p04030 | u106797249 | 1588541572 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 241 | def resolve():
S = input()
res = ""
for s in S:
if s in ['0', '1']:
res += s
else:
if len(res) > 0:
res = res[:-1]
print(res)
if '__main__' == __name__:
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
| 1,204,773 |
s435673481 | p04030 | u082945913 | 1588540007 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 161 | s = input()
ans = ''
for i in s:
if i == '1':
ans += '1'
elif i == '0':
ans += '0'
elif i == 'B':
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
| 1,204,774 |
s141765407 | p04030 | u131264627 | 1588536239 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 145 | s = input()
ans = []
for i in s:
if i == 'B':
if len(ans) > 0:
ans.pop(-1)
else:
ans += 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
| 1,204,775 |
s889665640 | p04030 | u260764792 | 1588533951 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 189 | s=input()
res=[]
for i in s:
#print(i)
if i=='0':
res+=i
#print(res)
elif i=='1':
res+=i
#print(res)
else:
if res!=[]:
res.pop(len(res)-1)
#print(res)
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
| 1,204,776 |
s406634031 | p04030 | u383450070 | 1588523728 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 265 | moji = list(str(input()))
lst = []
for i in range(len(moji)):
if moji[i]=="0":
lst.append("0")
elif moji[i]=="1":
lst.append("1")
elif moji[i]=="B" and len(lst)>0:
del lst[-1]
elif moji[i]=="B" and len(lst)==0:
continue;
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
| 1,204,777 |
s864358678 | p04030 | u126844573 | 1588471184 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 160 | s, s_back = input(), ""
while "B" in s:
s = s.replace("1B", "").replace("0B", "")
if s_back == s:
break
s_back = s
print(s.replace("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
| 1,204,778 |
s758355277 | p04030 | u922851354 | 1588466886 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 149 | s=input()
x=''
for i in s:
if i=='0':
x+='0'
elif i=='1':
x+='1'
elif i=='B':
if len(x)>0:
x=x[:-1]
print(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
| 1,204,779 |
s331995022 | p04030 | u788703383 | 1588452197 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 154 | s = input()
a = ""
for S in s:
if S == 'B':
if a:
a = a[:-1]
else:
continue
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
| 1,204,780 |
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