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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s386521436 | p04030 | u401452016 | 1574485160 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 195 | # 043B
import sys
s = sys.stdin.readline().rstrip()
ans =''
for c in s:
if c =='0':
ans +='0'
elif c =='1':
ans +='1'
elif c =='B':
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
| 1,205,381 |
s414839092 | p04030 | u124498235 | 1574478803 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 155 | s = input()
o = ""
for i in range(len(s)):
if s[i] == "0":
o = o + "0"
elif s[i] == "1":
o = o + "1"
else:
if len(o) > 0:
o = o[:-1]
print (o) | 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
| 1,205,382 |
s380348858 | p04030 | u532514769 | 1574470071 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 249 | a=list(input())
gamen=[]
for i in range (len(a)):
if a[i]=='0':
gamen.append('0')
if a[i]=='1':
gamen.append('1')
if a[i]=='B':
if gamen==[]:
continue
else:
del gamen[-1]
mpjiretsu = ''.join(gamen)
print(mpjiretsu) | 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
| 1,205,383 |
s812075769 | p04030 | u340947941 | 1574438584 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 357 | ##### 解けた #####
S=input()
A=[""]
for s in S: # 入力の文字列1文字ずつ見てゆく
if s in ["0","1"]: # もし0か1の場合、それを追加
A.append(s)
elif s=="B": # もしバックスペースの場合、1文字削除
if len(A)>=1: # 長さが1以上の場合のみ削除
A.pop(-1)
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
| 1,205,384 |
s170615215 | p04030 | u516447519 | 1574378825 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 179 | s = input()
N = len(s)
A = str()
for i in range(N):
if s[i] == 'B':
A = A[:-1]
elif s[i] == '0':
A += '0'
elif s[i] == '1':
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
| 1,205,385 |
s686163716 | p04030 | u679325651 | 1574311049 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 188 | sss=str(input())
ans = ""
for s in sss:
if s=="0":
ans = ans + "0"
elif s=="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
| 1,205,386 |
s625251985 | p04030 | u627417051 | 1574309457 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 165 | s = list(input())
N = len(s)
ans = []
for i in range(N):
if s[i] == "0" or s[i] == "1":
ans.append(s[i])
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
| 1,205,387 |
s256196363 | p04030 | u836737505 | 1574297988 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 166 | S = str(input())
st = ""
for i in range(len(S)):
if S[i] == "1":
st += "1"
elif S[i] =="0":
st += "0"
else:
st = st[:-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
| 1,205,388 |
s840020292 | p04030 | u143278390 | 1574280170 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 134 | s=input()
x=''
for i in s:
if(i=='0'):
x+='0'
elif(i=='1'):
x+='1'
elif(i=='B'):
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
| 1,205,389 |
s215339490 | p04030 | u633450100 | 1574266984 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 159 | s = input()
ans = ''
for i in range(0,len(s)):
if s[i] == '0' or s[i] == '1':
ans += s[i]
elif s[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
| 1,205,390 |
s001293124 | p04030 | u864197622 | 1574223609 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 88 | ans = ""
for s in input():
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
| 1,205,391 |
s358685086 | p04030 | u476124554 | 1574169961 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 282 | s = input()
ans = []
for i in range(len(s)):
if s[i] == "1":
ans.append(1)
elif s[i] == "0":
ans.append(0)
else:
if ans :
length = len(ans)
ans = ans[:length-1]
a = ""
for i in range(len(ans)):
a +=str(ans[i])
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
| 1,205,392 |
s979710787 | p04030 | u673981655 | 1574133615 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 143 | s = input()
a = ''
for i in s:
if i == '1':
a += '1'
if i == '0':
a += '0'
if i == 'B':
if a !='':
a = 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
| 1,205,393 |
s280598415 | p04030 | u141786930 | 1574132294 | Python | Python (3.4.3) | py | Accepted | 20 | 3316 | 276 | from collections import deque
def main():
s = input()
ans = deque()
for i in s:
if i == '0' or i == '1':
ans.append(i)
elif i == 'B' and len(ans)>0:
ans.pop()
print(''.join(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
| 1,205,394 |
s612604135 | p04030 | u141786930 | 1574131884 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 244 | def main():
s = input()
ans = []
for i in s:
if i == '0' or i == '1':
ans.append(i)
elif i == 'B' and len(ans)>0:
ans.pop()
print(''.join(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
| 1,205,395 |
s607026767 | p04030 | u823458368 | 1574048941 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 162 | s = input()
t = ""
for i in s:
if i == 'B' and t == "":
pass
elif i == 'B' and t != "":
t = t[:len(t)-1]
else:
t += i
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
| 1,205,396 |
s002000388 | p04030 | u727787724 | 1574037928 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 214 | s=list(input())
ans=[]
for i in range(len(s)):
if s[i]!="B":
ans.append(s[i])
else:
if len(ans)==0:
continue
else:
ans.pop(len(ans)-1)
a=''.join(ans)
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
| 1,205,397 |
s972801801 | p04030 | u936985471 | 1574017371 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 140 | s=input()
ans=[]
for i in range(len(s)):
if s[i]=="B":
if len(ans)>0:
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
| 1,205,398 |
s142906791 | p04030 | u427093056 | 1573966423 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 97 | s=input()
a=""
for x in s:
if x=="B":
if len(a)>0:
a=a[:-1]
else:
a+=x
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
| 1,205,399 |
s892337104 | p04030 | u047178225 | 1573932552 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 231 | S = list(input())
W = []
for i in S:
if i == "0":
W.append("0")
elif i == "1":
W.append("1")
elif i == "B":
if len(W) == 0:
W = W
else:
W.pop(-1)
print(*W, 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
| 1,205,400 |
s447819554 | p04030 | u452015170 | 1573854603 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 182 | s = input()
len = len(s)
ans = ""
for i in range(len) :
if s[i] == "0" :
ans += "0"
elif s[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
| 1,205,401 |
s626326273 | p04030 | u518223105 | 1573841889 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 158 | s = list(input())
ans = []
for e in s:
if e == "B":
if len(ans) > 0:
ans.pop(-1)
else:
ans.append(e)
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
| 1,205,402 |
s638481854 | p04030 | u753682919 | 1573835263 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 133 | S=list(input())
L=[]
while S:
if S[0]=="B":
if L:
del L[len(L)-1]
else:
L.append(S[0])
del S[0]
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
| 1,205,403 |
s680751882 | p04030 | u442810826 | 1573792414 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 140 | S = input()
ans = ""
for s in S:
if s=="B":
if len(ans) > 0:
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
| 1,205,404 |
s202379509 | p04030 | u576917603 | 1573768046 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 130 | a=input()
b=""
for i in a:
if i==str(0):
b+="0"
elif i==str(1):
b+="1"
else:
b=b[:-1]
print(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
| 1,205,405 |
s089396404 | p04030 | u925567828 | 1573676806 | Python | Python (3.4.3) | py | Accepted | 19 | 3064 | 333 | s = list(input())
ans_list=[]
for i in range(len(s)):
if(s[i] == "0"):
ans_list.append("0")
elif(s[i] == "1"):
ans_list.append("1")
elif(s[i] == "B"):
if(len(ans_list) != 0):
ans_list.pop()
else:
continue
for i in range(len(ans_list)):
print(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
| 1,205,406 |
s383990247 | p04030 | u735069283 | 1573625938 | Python | Python (3.4.3) | py | Accepted | 19 | 3060 | 164 | s=str(input())
list =[]
for i in range(len(s)):
if s[i]=='B':
list = list[0:-1]
else:
list +=s[i]
k=''
for i in range(len(list)):
k +=list[i]
print(k) | 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
| 1,205,407 |
s184922478 | p04030 | u779728630 | 1573624409 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 144 | s = input()
res = ""
for i in range(len(s)):
if s[i] == "B":
if res != "":
res = res[:len(res)-1]
else:
res += s[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
| 1,205,408 |
s605393567 | p04030 | u052499405 | 1573619842 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 351 | #!/usr/bin/env python3
from collections import defaultdict
import sys
sys.setrecursionlimit(10**8)
input = sys.stdin.readline
s = input().rstrip()
ans = []
for ch in s:
if ch == "0":
ans.append("0")
elif ch == "1":
ans.append("1")
else:
if len(ans) > 0:
ans.pop()
print("... | 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
| 1,205,409 |
s698835659 | p04030 | u991619971 | 1573611099 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 262 | s=str(input())
x=''
list=[]
for i in range(len(s)):
if s[i]=='1':
list.append('1')
elif s[i]=='0':
list.append('0')
elif s[i]=='B' and len(list)!=0:
del list[len(list)-1]
for i in range(len(list)):
x += list[i]
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
| 1,205,410 |
s956257004 | p04030 | u135847648 | 1573596857 | Python | Python (3.4.3) | py | Accepted | 19 | 3060 | 149 | s = input()
stack = []
for i in range(len(s)):
if s[i] != "B":
stack += [s[i]]
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
| 1,205,411 |
s147233782 | p04030 | u209619667 | 1573567481 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 247 | N = list(input().strip())
a=len(N)
count = []
counter = 0
for n,i in zip(N,range(a)):
if n != 'B':
count.append(int(n))
else:
if len(count) == 0:
pass
else:
del(count[len(count)-1])
p = ''.join(map(str,count))
print(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
| 1,205,412 |
s614320421 | p04030 | u053035261 | 1573365851 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 205 |
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:
pass
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
| 1,205,413 |
s876839784 | p04030 | u762420987 | 1573340726 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 189 | s = list(input())
ans = []
for char in s:
if char == "B":
if ans:
ans.pop(-1)
else:
pass
else:
ans.append(char)
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
| 1,205,414 |
s641976331 | p04030 | u021759654 | 1573268334 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 139 | ks = list(input())
ans = []
for k in ks:
if k == "B":
if len(ans) > 0:
ans.pop()
else:
ans.append(k)
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
| 1,205,415 |
s821512053 | p04030 | u076917070 | 1573264519 | Python | Python (3.4.3) | py | Accepted | 20 | 3316 | 279 | import sys
from collections import defaultdict
input = sys.stdin.readline
def main():
s = input().strip()
ans = ""
for c in s:
if c == "B":
ans = ans[:-1]
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
| 1,205,416 |
s609253060 | p04030 | u533039576 | 1573228257 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 133 | s = input()
t = ''
for i in range(len(s)):
if s[i] != 'B':
t += s[i]
elif len(t) >= 1:
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
| 1,205,417 |
s831641420 | p04030 | u276115223 | 1573217766 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 296 | # ABC 043: B – バイナリハックイージー / Unhappy Hacking (ABC Edit)
s = input()
editor = ''
for key in s:
if key == '0':
editor += '0'
elif key == '1':
editor += '1'
elif key == 'B':
if editor != '':
editor = 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
| 1,205,418 |
s020338185 | p04030 | u434282696 | 1573171529 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 172 | s=input()
n=len(s)
res=''
for i in range(n):
if s[i]=='0':res=res+'0'
elif s[i]=='1':res=res+'1'
else:
if res=='':continue
else:
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
| 1,205,419 |
s722192610 | p04030 | u281303342 | 1573167864 | Python | Python (3.4.3) | py | Accepted | 20 | 2940 | 175 | # python3 (3.4.3)
import sys
input = sys.stdin.readline
# main
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
| 1,205,420 |
s041261733 | p04030 | u867848444 | 1573148543 | Python | Python (3.4.3) | py | Accepted | 19 | 3060 | 111 | s=input()
ans=''
for i in s:
if i=='0' or i=='1':
ans+=i
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
| 1,205,421 |
s377909228 | p04030 | u322185540 | 1573135018 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 201 | s = input()
moji = []
for y in s:
if y == '0':
moji.append('0')
if y == '1':
moji.append('1')
if y == 'B'and moji!= []:
sakuzyo = moji.pop(-1)
print(''.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
| 1,205,422 |
s054626407 | p04030 | u637551956 | 1573102384 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 173 | s= list(str(input()))
editor=[]
for i in s:
if i=="0" or i=="1":
editor.append(i)
elif i=="B" and len(editor)>=1:
editor.pop()
print("".join(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
| 1,205,423 |
s664071284 | p04030 | u513434790 | 1573091451 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 225 | # -*- coding: utf-8 -*-
s = input()
ans = ""
for i in range(len(s)):
if s[i] == "0":
ans += "0"
elif s[i] == "1":
ans += "1"
else:
if i != 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
| 1,205,424 |
s909382624 | p04030 | u768993705 | 1573056477 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 90 | ans = ''
for s in input():
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
| 1,205,425 |
s399465245 | p04030 | u768993705 | 1573056422 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 99 | ans = []
for s in input():
if s=='B':
ans = ans[:-1]
else:
ans += s
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
| 1,205,426 |
s167121181 | p04030 | u768993705 | 1573056383 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 108 | s = input()
ans = []
for ss in s:
if ss=='B':
ans = ans[:-1]
else:
ans += ss
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
| 1,205,427 |
s101471721 | p04030 | u768993705 | 1573056231 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 118 | ans = []
for s in input():
if s=='B':
if len(ans)>0:
del(ans[-1])
else:
ans += s
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
| 1,205,428 |
s197871322 | p04030 | u768993705 | 1573056184 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 127 | s = input()
ans = []
for ss in s:
if ss=='B':
if len(ans)>0:
del(ans[-1])
else:
ans += ss
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
| 1,205,429 |
s298363067 | p04030 | u940061594 | 1573054704 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 263 | #Unhappy Hacking (ABC Edit)
s = input()
r = ""
for i in range (0,len(s)):
if s[i:i+1] == "0":
r = r + '0'
elif s[i:i+1] == "1":
r = r + '1'
else:
if r != "":
r = r[0:len(r)-1]
else:
pass
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
| 1,205,430 |
s547143226 | p04030 | u690781906 | 1573049329 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 156 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == '0' or s[i] == '1':
ans += s[i]
elif s[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
| 1,205,431 |
s110961292 | p04030 | u663438907 | 1573011490 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 259 | s = list(input())
ans_list = []
for i in range(len(s)):
if s[i] == '0':
ans_list.append('0')
if s[i] == '1':
ans_list.append('1')
if ans_list == []:
pass
else:
if s[i] == 'B':
ans_list.pop(-1)
ans = ''.join(ans_list)
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
| 1,205,432 |
s368029912 | p04030 | u317713173 | 1573008099 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 174 | s = input()
S = []
for i in s:
if i == "B":
if len(S) != 0:
S.pop(-1)
else:
pass
else:
S.append(i)
print(*S, 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
| 1,205,433 |
s365171438 | p04030 | u533713111 | 1572893383 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 185 | s = input()
L = []
for i in range(len(s)):
if s[i] == '0':
L.append('0')
elif s[i] == '1':
L.append('1')
elif s[i] == 'B' and len(L) > 0:
del L[-1]
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
| 1,205,434 |
s330415613 | p04030 | u803617136 | 1572833489 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 148 | s = input()
ans = []
for c in s:
if c == 'B' and ans:
ans.pop()
elif c == '0' or c == '1':
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
| 1,205,435 |
s377724340 | p04030 | u166888020 | 1572810439 | Python | Python (3.4.3) | py | Accepted | 16 | 3060 | 266 | s = input()
s_list = [c for c in s]
output = []
for i in range(len(s)):
if s_list[i] == '0':
output.append('0')
elif s_list[i] == '1':
output.append('1')
else:
if len(output) > 0:
output.pop()
print(''.join(output))
| 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
| 1,205,436 |
s483246716 | p04030 | u143278390 | 1572727919 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 189 | s=input()
text=[]
for i in s:
if(i=='0'):
text.append(0)
elif(i=='1'):
text.append(1)
else:
text=text[:-1]
t=''
for i in text:
t+=str(i)
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
| 1,205,437 |
s378064598 | p04030 | u117193815 | 1572642238 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 184 | s=list(input())
ans=[]
for i in s:
ans.append(i)
if ans[0]=="B":
ans.pop(0)
elif i=="B":
ans.pop(ans.index(i)-1)
ans.pop(ans.index(i))
for i in ans:
print(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
| 1,205,438 |
s852877791 | p04030 | u348868667 | 1572570087 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 224 | s = list(input())
tmp = []
for i in range(len(s)):
if s[i] == "0":
tmp.append("0")
elif s[i] == "1":
tmp.append("1")
elif s[i] == "B" and tmp != []:
tmp.pop(len(tmp)-1)
print("".join(tmp)) | 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
| 1,205,439 |
s876158550 | p04030 | u923659712 | 1572561744 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 119 | s =str(input())
a=''
for x in s:
if x=='0':
a+='0'
elif x=='1':
a+='1'
else:
a=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
| 1,205,440 |
s230142012 | p04030 | u557494880 | 1572555571 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 212 | s = str(input())
n = len(s)
a = []
for i in range(n):
if s[i] != 'B':
a.append(s[i])
else:
if len(a) != 0:
a.pop(-1)
t =''
m = len(a)
for j in range(m):
t += a[j]
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
| 1,205,441 |
s311357655 | p04030 | u717993780 | 1572553294 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 164 | s = input()
n = len(s)
ans = ""
for i in range(n):
if s[i] == "0":
ans += "0"
elif s[i] == "1":
ans += "1"
else:
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
| 1,205,442 |
s119122463 | p04030 | u746419473 | 1572454208 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 203 | s = input()
ans = []
for _s in s:
if _s == "0":
ans.append(0)
elif _s == "1":
ans.append(1)
elif _s == "B" and len(ans) > 0:
ans.pop()
print("".join(map(str, 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
| 1,205,443 |
s603844789 | p04030 | u202570162 | 1572386017 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 198 | s = list(input())
t = []
for i in range(len(s)):
if s[i] == '0':
t.append('0')
elif s[i] == '1':
t.append('1')
else:
if t:
del t[-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
| 1,205,444 |
s141616032 | p04030 | u982517812 | 1572372223 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 274 | s = list(input())
e = []
for i in range(len(s)):
if e == []:
if (s[i] == "0") or (s[i] == "1"):
e.append(s[i])
else:
if (s[i] == "0") or (s[i] == "1"):
e.append(s[i])
else:
del e[-1]
f = "".join(e)
print(f) | 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
| 1,205,445 |
s736472449 | p04030 | u311636831 | 1572360528 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 252 | s=list(input())
for i in range(len(s)):
if(s[i]=="B"):
s[i]="A"
for j in range(i,-1,-1):
if((s[j]=="0")|(s[j]=="1")):
s[j]="A"
break
for C in s:
if(C!="A"):
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
| 1,205,446 |
s901619818 | p04030 | u100418016 | 1572329245 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 129 | arr =list(input())
ret=""
for st in arr:
if(st == "B"):
ret = ret[:len(ret)-1]
else:
ret = ret + st
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
| 1,205,447 |
s554271585 | p04030 | u099300051 | 1572321179 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 156 | S = input()
ans =''
for x in S:
if x == '0':
ans += x
elif x == '1':
ans += x
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
| 1,205,448 |
s549719196 | p04030 | u633000076 | 1572219779 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 172 | s=input()
a=[]
for i in s:
if i=="0":
a.append("0")
elif i=="1":
a.append("1")
else:
if len(a)>=1:
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
| 1,205,449 |
s934456303 | p04030 | u623516423 | 1572214030 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 129 | s=input()
ans=''
n=0
for i in s:
if i == '0'or i == '1':
ans+=i
n+=1
elif n!=0:
ans=ans[:n-1]
n-=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
| 1,205,450 |
s519259027 | p04030 | u636290142 | 1572184210 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 130 | s = input()
res = ""
for input_c in s:
if input_c == 'B':
res = res[:-1]
else:
res += input_c
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
| 1,205,451 |
s525238537 | p04030 | u269778596 | 1572117193 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 184 | s = input()
ans = []
for i in s:
if i =='B':
try:
ans.pop()
except:
continue
else:
ans.append(i)
print("".join(i for i in 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
| 1,205,452 |
s610144079 | p04030 | u506858457 | 1572050206 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 116 | t=[]
for x in input():
if x=="B":
try:t.pop()
except:pass
else:t.append(x)
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
| 1,205,453 |
s625324039 | p04030 | u506858457 | 1572050145 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 68 | 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
| 1,205,454 |
s980319868 | p04030 | u368882459 | 1572046596 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 110 | s = input()
ans = ''
for i in s:
if i != 'B':
ans += i
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
| 1,205,455 |
s605277296 | p04030 | u254871849 | 1571986065 | Python | Python (3.4.3) | py | Accepted | 16 | 2940 | 208 | s = input()
letters = [letter for letter in s]
res = []
for letter in letters:
if letter == "B":
if res:
res.pop()
else:
res.append(letter)
ans = ''.join(res)
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
| 1,205,456 |
s884754205 | p04030 | u518223105 | 1571960876 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 334 | # -*- coding: utf-8 -*-
s = list(input())
ans = []
for j in range(len(s)):
# print("j=%d word=%s length=%d ans=%s" % (j, s[j], len(ans), "".join(ans)))
if (s[j]) == "B":
l = len(ans)
if l == 0:
continue
else:
del ans[-1]
else:
ans.append(s[j])
print... | 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
| 1,205,457 |
s913776205 | p04030 | u628965061 | 1571889005 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 121 | slist=list(input())
alist=[]
for i in slist:
if i=="B":
alist=alist[:-1]
else:
alist.append(i)
print(*alist,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
| 1,205,458 |
s677505337 | p04030 | u951480280 | 1571887708 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 108 | s=input()
a=""
for i in range(len(s)):
if s[i]!="B":
a+=s[i]
else:
a=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
| 1,205,459 |
s614257663 | p04030 | u614875193 | 1571880993 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 170 | s=input()
w=[]
for i in s:
if i=='0':
w.append('0')
elif i=='1':
w.append('1')
else:
if w!=[]:
w.pop()
print(''.join(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
| 1,205,460 |
s145320920 | p04030 | u325956328 | 1571871181 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 177 | s = input()
ans = ""
for i in s:
if i == "0":
ans += "0"
elif i == "1":
ans += "1"
elif len(ans) != 0:
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
| 1,205,461 |
s021704293 | p04030 | u457803894 | 1571799829 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 280 | s = list(input())
ans_l = []
for i in s:
if len(ans_l) != 0:
if i == "B":
del ans_l[len(ans_l) - 1]
else:
ans_l.append(i)
else:
if i != "B":
ans_l.append(i)
ans = ""
for j in ans_l:
ans = ans + j
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
| 1,205,462 |
s260633339 | p04030 | u247465867 | 1571782552 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 308 | #2019/10/22
#s = open(0).read()
s = input()
display = []
for i in s:
if i == "0":
display.append("0")
elif i == "1":
display.append("1")
else:
if display == []:
continue
else:
display.pop(-1)
#print(display)
ans="".join(display)
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
| 1,205,463 |
s531781637 | p04030 | u912115033 | 1571779017 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 154 | s = input()
output = ''
for i in s:
if i == 'B':
if output != '':
output = output[:-1]
else:
output += i
print(output) | 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
| 1,205,464 |
s721317454 | p04030 | u388904130 | 1571756454 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 202 | S = list(input())
tmp = []
for i in S:
if i == '0' or i == '1':
tmp.append(i)
else:
if len(tmp) == 0:
continue
else:
tmp.pop()
print(''.join(tmp)) | 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
| 1,205,465 |
s470948728 | p04030 | u970197315 | 1571718550 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 411 | # ABC043 B - バイナリハックイージー / Unhappy Hacking (ABC Edit)
si = lambda: input()
ni = lambda: int(input())
nm = lambda: map(int, input().split())
nl = lambda: list(map(int, input().split()))
S = si()
ans = ''
for s in S:
if s == '0':
ans += '0'
elif s == '1':
ans += '1'
elif s == 'B':
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
| 1,205,466 |
s426386566 | p04030 | u896741788 | 1571630945 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 135 | from itertools import groupby as gb
s=""
for i,b in gb(input()):
if i=="B":
s=s[:-len(list(b))]
else:s+=i*len(list(b))
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
| 1,205,467 |
s043145694 | p04030 | u390883247 | 1571578188 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 205 | s = list(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:
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
| 1,205,468 |
s164287100 | p04030 | u088552457 | 1571454777 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 170 | # -*- coding: utf-8 -*-
s = list(str(input()))
r = ''
for i in s:
if i == 'B' and r == '':
continue
if i == 'B':
r = r[:-1]
continue
r += i
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
| 1,205,469 |
s989644701 | p04030 | u716529032 | 1571449346 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 158 | s = input()
result = ""
for k in s:
if(k == "0" or k == "1"):
result += k
else:
if(result != ""):
result = 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
| 1,205,470 |
s694245196 | p04030 | u578049848 | 1571413598 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 441 | s = input()
j = 0
for i in range(len(s)):
#print("i=",i)
if s[i-(2*j)] == "B":
#print(i-(2*j))
#print(s)
if s[0] == "B":
s = 'x'+s[1:]
#print(s)
#print(s[0])
else:
#print(i-(2*j))
s = s[:i-1-(2*j)]+s[i-(2*j)+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
| 1,205,471 |
s606616075 | p04030 | u268623418 | 1571406169 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 262 | #!/usr/bin/env python3
def delete_letter(result):
if len(result) == 0:
return result
return result[:-1]
s = input()
result = ''
for c in s:
if c == 'B':
result = delete_letter(result)
else:
result += c
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
| 1,205,472 |
s825010723 | p04030 | u799978560 | 1571371891 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 193 | s = [str(i) for i in list(str(input()))]
x = list()
for i in s:
if i == "0" or i == "1":
x.append(i)
elif i== "B" and x != []:
x.pop(-1)
print(','.join(x).replace(",","")) | 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
| 1,205,473 |
s977196360 | p04030 | u089376182 | 1571369899 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 137 | S = input()
stack = []
for s in S:
if s == 'B':
if stack:stack.pop()
else:
stack.append(s)
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
| 1,205,474 |
s640929370 | p04030 | u261891508 | 1571327807 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 118 | 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
| 1,205,475 |
s711755954 | p04030 | u606878291 | 1571285993 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 344 | from collections import deque
def check(s):
queue = deque()
for c in s:
if c == 'B':
if len(queue) > 0:
queue.pop()
else:
queue.append(c)
return ''.join(queue)
def main():
S = input()
result = check(s=S)
print(result)
if __name__ ==... | 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
| 1,205,476 |
s744951040 | p04030 | u471684875 | 1571275281 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 118 | s=str(input())
t=''
for i in s:
if i=='0' or i=='1':
t+=i
elif t and i=='B':
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
| 1,205,477 |
s814783261 | p04030 | u814986259 | 1571229530 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 143 | s=input()
buff=[]
for x in s:
if x == "0" or x == "1":
buff.append(x)
else:
if len(buff) > 0:
buff.pop()
print("".join(buff)) | 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
| 1,205,478 |
s539272592 | p04030 | u626468554 | 1571194792 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 326 | s = list(input())
memo = 0
a = [-1 for i in range(10)]
for i in range(len(s)):
if s[i] == '0':
a[memo] = 0
memo += 1
elif s[i] == '1':
a[memo] = 1
memo += 1
elif s[i] == 'B' and memo >0:
memo -= 1
for i in range(memo):
if a[i] != -1:
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
| 1,205,479 |
s587155358 | p04030 | u408791346 | 1571084909 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 202 | s = list(input())
ans = []
for i in s:
if i == "0" or i == "1":
ans.append(i)
elif i == "B":
if len(ans) != 0:
ans.pop(-1)
else:
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
| 1,205,480 |
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