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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s642670821 | p04030 | u016622494 | 1566013605 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 161 | S = input()
str = []
result = ""
flg = 0
for i in range(len(S)):
if S[i] == 'B':
result = result[:-1]
else:
result += S[i]
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
| 1,205,681 |
s183765763 | p04030 | u792670114 | 1566005951 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 160 | S = input()
L = []
for c in S:
if c == "0":
L.append(c)
elif c == "1":
L.append(c)
else:
if len(L) > 0:
L.pop()
r = "".join(L)
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
| 1,205,682 |
s684103862 | p04030 | u256868077 | 1566001557 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 150 | s=input()
l=len(s)
a=[]
for i in range(l):
if(s[i]=='B'):
if(len(a)>=1):
a=a[:len(a)-1]
else:
a.append(s[i])
x=("").join(a)
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
| 1,205,683 |
s746546334 | p04030 | u037221289 | 1565980615 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 127 | S = input()
t = ""
for i in range(len(S)):
if S[i] == "B":
if t != "":
t = t[:-1]
else:
t += S[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
| 1,205,684 |
s938095417 | p04030 | u842689614 | 1565927284 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 168 | s=input()
out=[]
for c in list(s):
if c=='0':
out.append('0')
elif c=='1':
out.append('1')
else:
if len(out)>0:
del out[-1]
print(''.join(out)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,685 |
s573033399 | p04030 | u247922466 | 1565915498 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 234 | def B_UnhappyHacking():
S = input()
ans = []
for s in S:
if "B" == s:
ans = ans[:-1]
else:
ans.append(s)
print(*ans,sep="")
if __name__ == "__main__":
B_UnhappyHacking() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,686 |
s500765145 | p04030 | u619785253 | 1565904765 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 189 | s = list(input())
#key =s.copy()
#print(s)
a = []
#count = 0
for i in s:
# print(s)
if i == 'B':
a = a[:-1]
#del a[-1]
else:
a.append(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
| 1,205,687 |
s218418905 | p04030 | u619785253 | 1565904677 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 241 | s = list(input())
#key =s.copy()
#print(s)
a = []
#count = 0
for i in s:
# print(s)
if i == 'B' and s.index(i) == 0:
a = a[:-1]
elif i == 'B':
a = a[:-1]
#del a[-1]
else:
a.append(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
| 1,205,688 |
s802488768 | p04030 | u248670337 | 1565894300 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 89 | t=""
for i in input():
if i=="B":
if len(t)!=0:
t=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
| 1,205,689 |
s268791672 | p04030 | u475503988 | 1565890411 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 129 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == 'B':
ans = ans[:-1]
else:
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
| 1,205,690 |
s010128987 | p04030 | u842388336 | 1565857713 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 195 | s = input()
ans=[]
for c in s:
if c=="0":
ans.append("0")
if c=="1":
ans.append("1")
if c=="B":
if len(ans)==0:
pass
else:
ans.pop()
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
| 1,205,691 |
s726637241 | p04030 | u785470389 | 1565844202 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 257 | s = input()
answer = []
cursor = 0
for i in range(len(s)):
if s[i] == "0" or s[i] == "1":
#print(s[i])
answer.append(s[i])
cursor += 1
elif cursor > 0:
del answer[-1]
cursor -= 1
for i in range(cursor):
print(answer[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
| 1,205,692 |
s572501686 | p04030 | u830054172 | 1565837724 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 169 | s = input()
ans = []
for i in range(len(s)):
if s[i] == "B":
if len(ans) != 0:
del ans[-1]
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
| 1,205,693 |
s137591272 | p04030 | u831873131 | 1565836315 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 130 | s = input()
rslt = []
for c in s:
if c in ['0', '1']:
rslt.append(c)
elif rslt:
rslt = rslt[:-1]
print(''.join(rslt)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,694 |
s066242734 | p04030 | u285443936 | 1565832341 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 160 | s = list(input())
n = len(s)
ans = []
for i in range(n):
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
| 1,205,695 |
s842079525 | p04030 | u405660020 | 1565811031 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 237 | s=input()
ans=[]
for i in range(len(s)):
if s[i]=='0':
ans.append('0')
elif s[i] == '1':
ans.append('1')
else:
if ans==[]:
continue
else:
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
| 1,205,696 |
s083100205 | p04030 | u489315616 | 1565791961 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 146 | s = input()
r = ''
for i in range(len(s)):
if s[i] == 'B':
if len(r) > 0:
r = r[:-1]
else:
r += s[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
| 1,205,697 |
s243874991 | p04030 | u111365362 | 1565757944 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 153 | s = input()
n = len(s)
t = ''
for i in range(n):
if s[i] == 'B' and t == '':
pass
elif s[i] == 'B':
t = t[:-1]
else:
t += s[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
| 1,205,698 |
s549229892 | p04030 | u946424121 | 1565756345 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 118 | s = input()
t = []
for x in s:
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
| 1,205,699 |
s567417920 | p04030 | u367713721 | 1565752742 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 263 | # -*- coding:utf-8 -*-
s = input()
a = []
for c in s:
if c == '1' or c == '0':
a.append(c)
else:
if len(a) > 0:
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
| 1,205,700 |
s271664256 | p04030 | u367713721 | 1565752400 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 389 | # -*- coding:utf-8 -*-
s = input()
n = len(s)
s_list = []
for i in range(0, n):
if s[i] == 'B':
if len(s_list) == 0:
continue
else:
s_list.pop(-1)
else:
s_list.append(s[i])
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
| 1,205,701 |
s197322012 | p04030 | u544637026 | 1565720962 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 177 | s = input()
a = []
for v in s:
if v == '1':
a.append('1')
elif v=='0':
a.append('0')
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
| 1,205,702 |
s501921170 | p04030 | u131634965 | 1565718997 | Python | Python (3.4.3) | py | Accepted | 18 | 3064 | 278 | s = input()
a = []
#n=[s[i] for i in range(len(s))]
for i in range(len(s)):
if len(a)>0 and s[i]=="B":
a.pop(-1)
elif s[i]=='0':
a.append('0')
elif s[i]=='1':
a.append('1')
answer=""
for i in range(len(a)):
answer += a[i]
print(answer) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,703 |
s533248894 | p04030 | u820461302 | 1565706933 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 186 | # -*- coding: utf-8 -*-
# 文字列の入力
S = input()
T = ''
for i in range(len(S)):
if S[i] == '0':
T += '0'
elif S[i] == '1':
T += '1'
elif S[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
| 1,205,704 |
s215653945 | p04030 | u494871759 | 1565692997 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 194 | s = input()
ans = []
for p in s:
if p == '0':
ans.append('0')
elif p == '1':
ans.append('1')
else:
if len(ans) > 0:
ans.pop()
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,705 |
s738968713 | p04030 | u057308539 | 1565570453 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 166 | s=input()
while ("0B" in s)==True:
s=s.replace("0B","")
while ("1B" in s)==True:
s=s.replace("1B","")
while ("B" in s)==True:
s=s.replace("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
| 1,205,706 |
s519903855 | p04030 | u231122239 | 1565566971 | Python | Python (3.4.3) | py | Accepted | 20 | 2940 | 143 | ans = ''
for s in input():
if s in ['0', '1']:
ans = 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
| 1,205,707 |
s651713257 | p04030 | u360515075 | 1565558020 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 126 | S = input()
t = ""
for i in range(len(S)):
if S[i] == "B":
if t != "":
t = t[:-1]
else:
t += S[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
| 1,205,708 |
s641519737 | p04030 | u874741582 | 1565553463 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 204 | #Bとその前１文字を消せば良い
s =list(input())
lis = []
for i in range(len(s)):
if s[i] == "B":
if len(lis) >0:
lis.pop()
else: lis.append(s[i])
print("".join(lis)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,709 |
s726063182 | p04030 | u134712256 | 1565496130 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 147 | s = input()
str = ""
for i in s:
if i == "0" or i == "1":
str += i
elif i == "B" and str != "" :
str = str[:-1]
print(str)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,710 |
s474334739 | p04030 | u134712256 | 1565495854 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 326 | s = input()
str = ""
count = 0
for i in range(len(s)):
#print("count",count)
if s[i] == "0":
str += s[i]
count += 1
elif s[i] == "1":
str += s[i]
count += 1
elif s[i] == "B":
if count > 0:
str = str[:-1]
count -= 1
#print("str",str)
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
| 1,205,711 |
s489288252 | p04030 | u536377809 | 1565483125 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 146 | s=input()
result=""
for c in list(s):
if c=="0"or c=="1":
result=result+c
elif c=="B" and 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
| 1,205,712 |
s081291943 | p04030 | u256031597 | 1565462759 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 143 | s = input()
ans = ""
for a in list(s):
if a=="B":
if len(ans)>0:
ans = ans[0:-1]
else:
ans += a
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
| 1,205,713 |
s477510798 | p04030 | u753803401 | 1565461280 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 129 | s = input()
ans = ""
for i in range(len(s)):
if s[i] == "B":
ans = ans[:-1]
else:
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
| 1,205,714 |
s237691878 | p04030 | u706929073 | 1565459670 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 189 | s = input()
result = []
for i in range(len(s)):
if 'B' == s[i]:
if 0 == len(result):
pass
else:
result.pop()
else:
result.append(s[i])
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
| 1,205,715 |
s228338228 | p04030 | u311379832 | 1565410522 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 169 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == '0':
ans += '0'
elif s[i] == '1':
ans += '1'
else:
ans = ans[0:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,716 |
s398713745 | p04030 | u457554982 | 1565405026 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 142 | nyu=input()
shutu=[]
for i in nyu:
if i=="B":
if len(shutu)!=0:
shutu.pop(-1)
else:
shutu.append(i)
kekka="".join(shutu)
print(kekka) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,717 |
s722925816 | p04030 | u626337957 | 1565365573 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 160 | S = input()
stack = []
for char in S:
if char == 'B':
if len(stack) > 0:
i = stack.pop()
else:
stack.append(char)
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
| 1,205,718 |
s193730789 | p04030 | u111525113 | 1565360838 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 168 | words = str(input())
ans = ""
for i in range(len(words)):
if words[i] == "0":
ans +="0"
elif words[i] == "1":
ans +="1"
else:
ans=ans[0:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,719 |
s441777461 | p04030 | u374974389 | 1565329050 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 215 | s = input()
ans = []
for x in s:
if x == 'B' and len(ans):
ans.pop()
elif x == 'B' and len(ans) == 0:
pass
else:
ans.append(x)
ans_s = ''
for x in ans:
ans_s += x
print(ans_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
| 1,205,720 |
s736020406 | p04030 | u280853184 | 1565294340 | Python | Python (2.7.6) | py | Accepted | 12 | 2820 | 187 | S = list(raw_input())
ans = ""
for i in range(0,len(S)):
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
| 1,205,721 |
s248719764 | p04030 | u084324798 | 1565264959 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 140 | s = input()
while "B" in s:
if s[0] == "B":
s = s[1:len(s)+1]
s = s.replace("0B", "")
s = s.replace("1B", "")
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
| 1,205,722 |
s429235378 | p04030 | u736729525 | 1565218827 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 110 | a = []
for c in input():
if c in '01':
a.append(c)
else:
a = a[:-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
| 1,205,723 |
s405903833 | p04030 | u278463847 | 1565164937 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 138 | s = list(input())
res = []
for i in s:
if i == "B":
if len(res) != 0:
res.pop()
else:
res.append(i)
print(''.join(res))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,724 |
s642681208 | p04030 | u578850957 | 1565145232 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 215 | s_list = list(input())
ans = []
for s in s_list:
if s=='0':
ans.append(0)
elif s=='1':
ans.append(1)
if s=='B':
if len(ans)>0:
del ans[-1]
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
| 1,205,725 |
s945006810 | p04030 | u729535891 | 1565144541 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 288 | S = input()
keybord = [s for s in S]
editor = ''
for i in range(len(S)):
if keybord[i] == '0':
editor += '0'
elif keybord[i] == '1':
editor += '1'
else:
if editor == '':
continue
else:
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
| 1,205,726 |
s080955459 | p04030 | u228294553 | 1565112413 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 137 | s=list(input())
res=""
for i in range(len(s)):
if s[i]=='0' or s[i]=='1':
res+=s[i]
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
| 1,205,727 |
s340338357 | p04030 | u296150111 | 1565101639 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 116 | s=input()
d=""
for i in range(len(s)):
if s[i]=="0":
d+="0"
elif s[i]=="1":
d+="1"
else:
d=d[:-1]
print(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
| 1,205,728 |
s111392939 | p04030 | u999669171 | 1565066949 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 149 | strs = input()
ans = ''
for s in strs :
if s == '0' or s == '1':
ans += s
elif s == '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
| 1,205,729 |
s929026072 | p04030 | u385309449 | 1565038838 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 146 | x = input()
while x.count('B') > 0:
x = x.replace('0B','')
x = x.replace('1B','')
if x[0] == 'B':
x = x.replace('B','')
else:
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
| 1,205,730 |
s946202577 | p04030 | u385309449 | 1565038838 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 146 | x = input()
while x.count('B') > 0:
x = x.replace('0B','')
x = x.replace('1B','')
if x[0] == 'B':
x = x.replace('B','')
else:
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
| 1,205,731 |
s942544184 | p04030 | u188244611 | 1565015570 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 206 | # ABC 43, B - unhappy hacking
s = input()
text = ''
for i in s:
if i == '1':
text += '1'
elif i == '0':
text += '0'
elif i == 'B' and text:
text = 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
| 1,205,732 |
s756684147 | p04030 | u242518667 | 1564956918 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 221 | s=list(input())
ans=[]
for i in range(len(s)):
if s[i]=='0' or s[i]=='1':
ans.append(s[i])
else:
if len(ans)!=0:
ans.pop(-1)
else:
continue
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,733 |
s299057731 | p04030 | u498397607 | 1564896942 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 113 | s = input()
output = ''
for i in s:
if i == 'B':
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
| 1,205,734 |
s485753171 | p04030 | u200785298 | 1564884122 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 508 | #!/usr/bin/env python3
import sys
sys.setrecursionlimit(300000)
def solve(s: str):
ret = ''
for c in s:
if c == 'B':
if len(ret) > 0:
ret = ret[:-1]
else:
ret += c
print(ret)
return
def main():
def iterate_tokens():
for line in sys.... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,735 |
s983231918 | p04030 | u979418645 | 1564865566 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 295 | s=input()
s_list=list(s)
string=[]
for i, x in enumerate(s_list):
if x=='0':
string.append('0')
if x=='1':
string.append('1')
if x=='B':
if len(string) != 0 :
string.pop()
else: pass
string_out=''.join(string)
print(string_out) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,736 |
s718987101 | p04030 | u893931781 | 1564854687 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 227 | s=input()
result=[]
for i in range(len(s)):
if s[i]=="B":
if len(result) != 0:
result.pop(-1)
else :
result.append(s[i])
mojiretu = ' '
for x in result:
mojiretu += x
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
| 1,205,737 |
s580575582 | p04030 | u297651868 | 1564800918 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 193 | s=str(input())
a=[]
for i in s:
if i=='0':
a.append('0')
elif i=='1':
a.append('1')
else:
if len(a)!=0:
del a[-1]
for i in a:
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
| 1,205,738 |
s800866729 | p04030 | u277448038 | 1564767561 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 148 | #ABC043B
s = input()
l = len(s)
result = ""
for i in range(l):
if s[i]!="B":
result +=s[i]
else: 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
| 1,205,739 |
s812358169 | p04030 | u416258526 | 1564746604 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 110 | s = ''
for i in input():
if i=='0':
s += '0'
elif i=='1':
s += '1'
else:
s = s[:-1]
print(s) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,740 |
s159516080 | p04030 | u118211443 | 1564661159 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 176 | s = input()
d = 0
m = []
for i in s[::-1]:
if i == 'B':
d += 1
elif d > 0:
d -= 1
else:
m.append(i)
for i in m[::-1]:
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
| 1,205,741 |
s567835908 | p04030 | u123745130 | 1564544804 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 133 | lst=""
i=list(input())
for j in i:
if j=="0"or j=="1":
lst+=j
elif j=="B"and lst!=[]:
lst=lst[:-1]
print(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
| 1,205,742 |
s484396639 | p04030 | u576712004 | 1564457440 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 136 | s = input()
ans = ''
for c in s:
if c == 'B':
if ans:
ans = ans[:-1]
else:
ans = ans + c
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,743 |
s031192920 | p04030 | u921773161 | 1564426254 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 222 | 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:
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
| 1,205,744 |
s999374988 | p04030 | u514894322 | 1564361493 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 205 | s = str(input())
ans = ''
for char in s:
if char == 'B':
if len(ans) == 0:
continue
else:
ans = ans[:-1]
elif char == '0':
ans = ans + '0'
else:
ans = ans + '1'
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,745 |
s047226612 | p04030 | u271469978 | 1564271857 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 289 | def main():
s = input()
ans = []
for op in s:
if op == '0':
ans.append(op)
elif op == '1':
ans.append(op)
else:
if len(ans) > 0:
ans.pop()
print(*ans, sep='')
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
| 1,205,746 |
s680211598 | p04030 | u732607917 | 1564252220 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 146 | S=input()
stream=""
for s in S:
if s=="0": stream+="0"
elif s=="1": stream+="1"
elif s=="B": stream=stream[:-1]
print(*stream, 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
| 1,205,747 |
s083614524 | p04030 | u010090035 | 1564238772 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 191 | s = input()
t = []
for i in range(len(s)):
if(s[i] == "B"):
if(len(t) > 0):
del t[-1]
else:
t.append(s[i])
for i in range(len(t)):
print(t[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
| 1,205,748 |
s361037344 | p04030 | u027929618 | 1564114838 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 163 | s = list(input())
ans = ""
for c in s:
if c == "0" or c == "1":
ans += c
elif c == "B" and ans != "":
ans = ans[:len(ans) - 1]
print("{}".format(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
| 1,205,749 |
s267901262 | p04030 | u324549724 | 1564105126 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 146 | a = input()
ans = ""
for c in a:
if (c == '0') | (c == '1'):
ans += c
else:
if not 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
| 1,205,750 |
s063819258 | p04030 | u668503853 | 1564069666 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 133 | S=input()
li=[]
for s in S:
if s=="B":
try:
li.pop(-1)
except:
pass
else:
li.append(s)
print("".join(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
| 1,205,751 |
s200757842 | p04030 | u759412327 | 1564033279 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 112 | s = input()
z = []
for i in s:
if i=="B":
if z:
z.pop()
else:
z.append(i)
print("".join(z))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,752 |
s061308543 | p04030 | u759412327 | 1564033088 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 138 | s = input()
z = []
for i in s:
if i=="0" or i=="1":
z.append(i)
elif i=="B" and len(z)!=0:
z.pop()
else:
print("".join(z))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,753 |
s621765511 | p04030 | u408620326 | 1564014947 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 74 | a=''
for s in input():
if s!='B':
a+=s
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
| 1,205,754 |
s843518191 | p04030 | u201660334 | 1564002664 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 162 | s = input()
ans = ""
for i in s:
if i == "0":
ans += "0"
elif i == "1":
ans += "1"
else:
if 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
| 1,205,755 |
s549554736 | p04030 | u278356323 | 1563991014 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 200 | #ABC043b
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**6)
s = input()
ans = ""
for i in s:
if (i == "B"):
ans = ans[:len(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
| 1,205,756 |
s741760465 | p04030 | u369338402 | 1563949024 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 125 | s=input()
res=''
for i in range(len(s)):
if s[i]!='B':
res+=s[i]
elif len(res)>0:
res=res[:len(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
| 1,205,757 |
s391310366 | p04030 | u178888901 | 1563935985 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 135 | lst = list(input())
st = ''
for i in lst:
if i != 'B':
st += i
elif st != '' and i == 'B':
st = st[:len(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
| 1,205,758 |
s748194888 | p04030 | u537782349 | 1563901663 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 113 | a = list(input())
b = ""
for i in a:
if i == "B":
b = b[:len(b)-1]
else:
b += i
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
| 1,205,759 |
s383922215 | p04030 | u777283665 | 1563878347 | Python | Python (3.4.3) | py | Accepted | 29 | 3060 | 179 | s = list(input())
ans = ""
for i in s:
if i == "0":
ans += "0"
elif i == "1":
ans += "1"
else:
try:
ans = ans[:-1]
except:
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
| 1,205,760 |
s579260315 | p04030 | u614734359 | 1563654181 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 178 | s = [i for i in input()]
ans = []
for c in s:
if c is '0' or c is '1': ans.append(c)
else:
try:
ans.pop(-1)
except: pass
print(''.join(ans))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,761 |
s254815112 | p04030 | u948524308 | 1563640331 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 128 | s = input()
a =""
for i in range(len(s)):
if s[i] == "B":
a = a[0:len(a)-1]
else:
a = a + s[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
| 1,205,762 |
s172913703 | p04030 | u948524308 | 1563632400 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 182 | s = list(input())
a =""
for i in range(len(s)):
if s[i] == "B":
new_a = a[0:len(a)-1]
a = new_a
else:
new_a = str(a) + s[i]
a = new_a
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
| 1,205,763 |
s299105797 | p04030 | u537782349 | 1563595828 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 101 | a = input()
b = ""
for i in a:
if i == "B":
b = b[:-1]
else:
b += i
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
| 1,205,764 |
s147405420 | p04030 | u797016134 | 1563592160 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 192 | s = input()
a = ''
for x in s:
if x == '0':
a += '0'
elif x == '1':
a += '1'
else:
if a != '':
#a = list(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
| 1,205,765 |
s578163831 | p04030 | u845620905 | 1563559448 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 112 | 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
| 1,205,766 |
s890790935 | p04030 | u828766688 | 1563498991 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 191 |
S = input()
lis = []
for s in S:
if s == "0":
lis.append("0")
elif s == "1":
lis.append("1")
elif len(lis) > 0:
del lis[-1]
print ("".join(lis)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,767 |
s110381583 | p04030 | u282657760 | 1563413074 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 146 | s = str(input())
a = str()
for i in range(len(s)):
if s[i] == '0':
a += '0'
elif s[i] == '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
| 1,205,768 |
s531898243 | p04030 | u257332942 | 1563410329 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 192 | s = input()
a = ''
for x in s:
if x == '0':
a += '0'
elif x == '1':
a += '1'
else:
if a != '':
#a = list(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
| 1,205,769 |
s835345503 | p04030 | u888512581 | 1563399473 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 126 | s = list(input())
str = ""
for i in range(len(s)):
if s[i] == 'B':
str = str[0:-1]
else:
str += s[i]
print(str)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,770 |
s029497505 | p04030 | u103341055 | 1563307281 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 214 |
s = [ n for n in input()]
ans = []
for i in range(len(s)):
if s[i] == "B":
if ans:
ans.pop(-1)
else:
continue
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
| 1,205,771 |
s949711848 | p04030 | u593938737 | 1563274796 | Python | Python (3.4.3) | py | Accepted | 17 | 3068 | 221 | import sys
def main():
s = input()
output = ''
for i in s:
if i == 'B':
output = output[0:-1]
else:
output += i
print(output)
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
| 1,205,772 |
s879924354 | p04030 | u800258529 | 1563256448 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 103 | s=input()
a=''
for i in range(len(s)):
if s[i]=='0' or s[i]=='1':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
| 1,205,773 |
s186819116 | p04030 | u016622494 | 1563249793 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 161 | S = input()
str = []
result = ""
flg = 0
for i in range(len(S)):
if S[i] == 'B':
result = result[:-1]
else:
result += S[i]
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
| 1,205,774 |
s949765716 | p04030 | u480138356 | 1563139476 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 281 | s = list(input())
tmp = [0] * 10
num = 0
for i in range(len(s)):
if s[i] == "0":
tmp[num] = "0"
num += 1
elif s[i] == "1":
tmp[num] = "1"
num += 1
else:
num = max(0, num-1)
for i in range(num):
print(tmp[i],end="")
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
| 1,205,775 |
s247823549 | p04030 | u334260611 | 1563124684 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 306 | Key_in = list(input())
output = []
for key in Key_in:
if key == '0':
output.append('0')
elif key == '1':
output.append('1')
elif key =='B':
if len(output) != 0:
output.pop()
else:
pass
for char in output:
print(char, end='')
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
| 1,205,776 |
s371524881 | p04030 | u191635495 | 1563029611 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 147 | s = input()
res = ''
for e in s:
if e != 'B':
res += e
else:
if len(s) != 0:
res = res[0:len(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
| 1,205,777 |
s482837221 | p04030 | u933341648 | 1563029463 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 112 | s = input()
res = ''
for i in s:
if i == 'B':
res = res[:-1]
else:
res += i
print(res) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,778 |
s346232504 | p04030 | u933341648 | 1563029242 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 141 | s = input()
res = ''
for i in s:
if i == 'B':
if len(res) > 0:
res = res[:-1]
else:
res += i
print(res) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,779 |
s680804389 | p04030 | u405256066 | 1562992043 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 229 | from sys import stdin
s = (stdin.readline().rstrip())
ans = ""
for i in s:
if i == "0":
ans = ans + "0"
elif i == "1":
ans = ans + "1"
elif i == "B" and 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
| 1,205,780 |
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