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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s573555992 | p04030 | u361826811 | 1580831805 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 382 | """
author : halo2halo
date : 4, Feb, 2020
"""
import sys
# import itertools
# import numpy as np
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
S = readline().decode('utf8').rstrip()
lis = []
for m in S:
if m != 'B':
lis.append(m)
else:
... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,181 |
s958994299 | p04030 | u230621983 | 1580788283 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 162 | s = input()
ans = ''
for c in s:
if c == '0':
ans+='0'
elif c == '1':
ans+='1'
else:
if s:
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
| 1,205,182 |
s216686500 | p04030 | u743164083 | 1580774955 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 177 | s = list(input())
o = []
for i in s:
if i == "B":
if len(o) == 0:
pass
else:
o.pop(-1)
else:
o += [i]
print("".join(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
| 1,205,183 |
s859595738 | p04030 | u984276646 | 1580752080 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 180 | s = input()
S = ""
for i in range(len(s)):
if s[i] == "0":
S = S[:] + "0"
elif s[i] == "1":
S = S[:] + "1"
elif s[i] == "B" and S != "":
S = S[:len(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
| 1,205,184 |
s225017250 | p04030 | u353855427 | 1580751330 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 157 | S = 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[:-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
| 1,205,185 |
s831340945 | p04030 | u686230543 | 1580705111 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 135 | display = []
for s in input():
if s == 'B':
if display:
display.pop()
else:
display.append(s)
print(''.join(display)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,186 |
s012193734 | p04030 | u361381049 | 1580697550 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 242 | s = list(input())
lis = []
for i in range(len(s)):
if s[i] == '1' or s[i] == '0':
lis.append(s[i])
elif len(lis) >= 1 and s[i] == 'B':
lis.pop(-1)
ans = lis[0]
for i in range(1, len(lis)):
ans += lis[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
| 1,205,187 |
s559107201 | p04030 | u979038517 | 1580695912 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 284 | def main():
data = input()
result = ""
for chr in data:
if chr == "0":
result += "0"
elif chr == "1":
result += "1"
elif chr == "B":
result = result[:-1]
print(result)
if __name__ == "__main__":
main() | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,188 |
s005457042 | p04030 | u975644365 | 1580683002 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 129 | s = input()
ans = ""
for i in range(len(s)):
if s[i] != 'B':
ans += s[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
| 1,205,189 |
s998475693 | p04030 | u927680443 | 1580540870 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 126 | s = input()
l = []
le = len(s)
for i in s:
if i=='B':
if len(l)>0: l.pop()
else: l.append(i)
print(''.join(l)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,190 |
s952880737 | p04030 | u816631826 | 1580540355 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 207 | 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:
l.pop()
for i in l:
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
| 1,205,191 |
s531744176 | p04030 | u018679195 | 1580540228 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 190 | s = input()
l = []
for i in range(len(s)):
if s[i] != 'B':
l.append(s[i])
else:
if len(l)==0:
pass
else:
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
| 1,205,192 |
s132762942 | p04030 | u863370423 | 1580539784 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 277 | s=""
l=[]
string = input()
key=[]
for j in string:
key.append(j)
for i in key:
if i=='0':
l.append(i)
elif i=='1':
l.append(i)
elif i=='B':
if len(l)==0:
pass
else:
l.pop()
for i in l:
s=s+i
print(s) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,193 |
s177142580 | p04030 | u353919145 | 1580538613 | Python | Python (3.4.3) | py | Accepted | 18 | 3064 | 308 | string = input()
l = 0
string1 = []
for i in string:
if(i == '1'):
string1.append('1')
l += 1
elif(i == '0'):
string1.append('0')
l += 1
elif(i == 'B'):
if(l > 0):
string1.pop()
l = l - 1
for i in string1:
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
| 1,205,194 |
s295254611 | p04030 | u089230684 | 1580537810 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 283 | s = input()
len = 0
op = []
for i in s:
if(i == '1'):
op.append('1')
len += 1
elif(i == '0'):
op.append('0')
len += 1
elif(i == 'B'):
if(len > 0):
op.pop()
len = len - 1
for i in op:
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
| 1,205,195 |
s753339636 | p04030 | u863370423 | 1580537683 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 158 | s = input()
s = list(s)
k = []
a = ''
for i in s:
if k != [] and i == 'B':
k.pop()
elif i != 'B':
k.append(i)
print(a.join(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
| 1,205,196 |
s370351995 | p04030 | u478888559 | 1580509786 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 148 | s = input()
output = []
for i in s:
if i != "B":
output.append(i)
elif output != []:
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
| 1,205,197 |
s558986793 | p04030 | u445404615 | 1580506748 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 112 | s = input()
ans = ''
for i in s:
if i == 'B':
ans = ans[0:-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
| 1,205,198 |
s324085000 | p04030 | u113971909 | 1580505635 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 119 | S=list(input())
T =[]
for i in range(len(S)):
if S[i]=='B':
T=T[:-1]
else:
T.append(S[i])
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
| 1,205,199 |
s667862248 | p04030 | u170183831 | 1580491754 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 174 | def solve(s):
l = []
for c in s:
if c != 'B':
l.append(c)
elif l:
l.pop()
return ''.join(l)
_s = input()
print(solve(_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
| 1,205,200 |
s311350093 | p04030 | u906481659 | 1580475956 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 142 | s = str(input())
s_list = []
for i in s:
if i != 'B':
s_list.append(i)
else:
if len(s_list) != 0:
s_list.pop()
print(''.join(s_list)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,201 |
s104930070 | p04030 | u736995123 | 1580427556 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 326 |
s=input()
def solution(s):
new = []
for c in s:
if c == '0':
new.append('0')
elif c == '1':
new.append('1')
elif c == 'B':
try:
new.pop()
except:
pass
newnew = ''.join(new)
return newnew
print(soluti... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,202 |
s462650222 | p04030 | u589578850 | 1580398251 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 156 | s = input()
result = ""
for i in s:
if i != "B" :
result += i
else:
num = len(result)
result = result[:num-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
| 1,205,203 |
s948809741 | p04030 | u746849814 | 1580395921 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 198 | inputs = list(map(str, input()))
output = ''
for i in inputs:
if i == 'B':
output = output[:-1]
elif i == '1':
output += '1'
else:
output += '0'
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
| 1,205,204 |
s439981383 | p04030 | u682997551 | 1580351877 | Python | Python (3.4.3) | py | Accepted | 20 | 2940 | 150 | s = input()
ans = list()
for c in s:
if c == '0' or c == '1':
ans.append(c)
elif 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
| 1,205,205 |
s178449452 | p04030 | u264681142 | 1580328876 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 117 | s = str(input())
r = ''
for c in s:
if c == 'B':
r = r[:-1]
elif c == '0' or c == '1':
r += c
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
| 1,205,206 |
s568080118 | p04030 | u852798899 | 1580265123 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 174 | s = input()
ans = ""
for i in s:
if i == '0':
ans += '0'
if i == '1':
ans += '1'
if i == 'B':
if len(ans) > 0:
ans = ans[0:len(ans)-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,207 |
s235182925 | p04030 | u857070771 | 1580217229 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 114 | s=input()
a=[]
for i in s:
if i == 'B':
if a:
a.pop()
else:
pass
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
| 1,205,208 |
s027532777 | p04030 | u690037900 | 1580176273 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 143 | S=list(input())
stack=[]
for s in S:
if s!="B":
stack.append(s)
elif len(stack)!=0:
stack.pop()
print("".join(stack)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,209 |
s144992355 | p04030 | u989345508 | 1580156151 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 159 | ans=""
s=input()
for i in s:
if i=="0":
ans+="0"
elif i=="1":
ans+="1"
else:
if i!=[]:
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
| 1,205,210 |
s801702579 | p04030 | u686036872 | 1580022671 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 174 | S = list(str(input()))
X=[]
for i in S:
if i == "0" or i == "1":
X.append(i)
elif i == "B":
if len(X)>0:
X.pop(len(X)-1)
print("".join(X)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,211 |
s179067087 | p04030 | u557792847 | 1579987759 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 299 | import sys
# キー入力
key = input()
display = ""
for i in key:
if i == '0':
# '0'を追加
display += '0'
if i == '1':
# '1'を追加
display += '1'
if i == 'B':
# 一番後ろの文字を削除
display = display[:-1]
print(display) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,212 |
s659574992 | p04030 | u858436319 | 1579983459 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 221 | S = input()
List = []
for i in range(len(S)):
if S[i] == "0" or S[i] == "1":
List.append(S[i])
else:
if len(List) != 0:
List.pop()
for j in range(len(List)):
print(List[j], 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
| 1,205,213 |
s884730706 | p04030 | u698197687 | 1579925528 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 675 | def keyboard_function(input_keyboard, editor_display):
if input_keyboard=='B':
if editor_display==[]:
return editor_display
else:
editor_display.pop()
if input_keyboard=='0':
editor_display.append('0')
if input_keyboard=='1':
editor_display.append('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
| 1,205,214 |
s465911489 | p04030 | u790048565 | 1579781309 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 177 | s = input()
result = ''
for i in s:
if (i == 'B'):
if len(result) == 0:
continue
else:
result = result[:-1]
else:
result = result + 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
| 1,205,215 |
s348447177 | p04030 | u995062424 | 1579741719 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 196 | s = input()
a = []
for i in range(len(s)):
if (s[i] == "B"):
if(len(a) <= 0):
continue
else:
a.pop()
else:
a.append(s[i])
print(''.join(a)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,216 |
s099820910 | p04030 | u053699292 | 1579737440 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 226 | if __name__ == '__main__':
S = input()
S = [s.split()[0] for s in S]
ans = []
for i in range(0,len(S)):
if S[i] == 'B' and len(ans)>0:
ans.pop()
elif S[i] != 'B':
ans.append(S[i])
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
| 1,205,217 |
s353469323 | p04030 | u116722061 | 1579711794 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 122 | 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
| 1,205,218 |
s019549706 | p04030 | u071868443 | 1579598542 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 203 | operation = str(input())
s = ''
for i in range(len(operation)):
if operation[i] == 'B':
if not s == '':
s = s[:len(s)-1]
elif operation[i] == '0':
s += '0'
else:
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
| 1,205,219 |
s556211567 | p04030 | u734434881 | 1579591913 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 286 | inputs = input()
answer = ''
for s in inputs:
if s == '0':
answer = answer + '0'
elif s == '1':
answer = answer + '1'
elif s == 'B' and answer == '':
answer = answer + ''
elif s == 'B' and answer != '':
answer = answer[:-1]
print(answer) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,220 |
s885787667 | p04030 | u355865104 | 1579574868 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 326 | if __name__ == "__main__":
input_str = input()
ans = []
for s in input_str:
if s == "0":
ans.append("0")
elif s == "1":
ans.append("1")
else:
if len(ans) == 0:
continue
else:
ans.pop()
print("".join(... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,221 |
s950761625 | p04030 | u149991748 | 1579570162 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 171 | #文字列の入力
s = input()
f = ''
for i in s:
if i == '0' or i == '1':
f += i
elif i == 'B':
f = f[:-1]
else:
continue
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
| 1,205,222 |
s748161657 | p04030 | u383725933 | 1579470045 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 148 | L=""
N=str(input())
for i in N:
if i==str(0):
L+="0"
elif i==str(1):
L+="1"
elif i==str("B"):
L=L[0:-1]
print(L) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,223 |
s909894202 | p04030 | u580697892 | 1579397887 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 144 | # coding: utf-8
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
| 1,205,224 |
s580758218 | p04030 | u106342872 | 1579369359 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 230 | arr = input()
arr = list(str(arr))
stack = []
for i in range(len(arr)):
if arr[i] == '0' or arr[i] == '1':
stack.append(arr[i])
elif arr[i] == 'B' and len(stack) != 0:
stack.pop(-1)
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
| 1,205,225 |
s589355580 | p04030 | u506287026 | 1579326010 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 153 | chars = input()
ans = []
for c in chars:
if c in ['0', '1']:
ans.append(c)
elif 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
| 1,205,226 |
s385417991 | p04030 | u293459994 | 1579316967 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 164 | s = input()
ret = ''
for i in range(len(s)):
if s[i] == 'B':
if len(ret) > 0:
ret = ret[:-1]
else:
ret = ret + s[i]
print(ret) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,227 |
s968767763 | p04030 | u548303713 | 1579288687 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 260 | s=list(input())
ans=[]
num=0
for i in range(len(s)):
if s[i]=="1":
ans.append("1")
num+=1
elif s[i]=="0":
ans.append("0")
num+=1
else:
if num!=0:
del ans[-1]
num-=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
| 1,205,228 |
s490539482 | p04030 | u779170803 | 1579243830 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 546 | INT = lambda: int(input())
INTM = lambda: map(int,input().split())
STRM = lambda: map(str,input().split())
STR = lambda: str(input())
LIST = lambda: list(map(int,input().split()))
LISTS = lambda: list(map(str,input().split()))
def do():
ss=STR()
ans=[]
for s in ss:
if s=='0'or s=='1':
an... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,229 |
s219045443 | p04030 | u072717685 | 1579238164 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 202 | s = input()
while(s.count('B')):
if s.count('0B'):
s = s.replace('0B','')
elif s.count('1B'):
s = s.replace('1B','')
else:
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
| 1,205,230 |
s869988758 | p04030 | u427984570 | 1579233097 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 103 | s = input()
ans = ''
for i in s:
if i == 'B':
ans = ans[:-1]
else:
ans = 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
| 1,205,231 |
s280830453 | p04030 | u314089899 | 1579230516 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 267 | #043b
s = list(input())
ans = []
for pushed_key in s:
if pushed_key == "0":
ans.append("0")
elif pushed_key == "1":
ans.append("1")
elif pushed_key == "B":
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
| 1,205,232 |
s659937870 | p04030 | u780206746 | 1579228233 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 494 |
class KeySeq:
def __init__(self):
self.seq = []
def _add_char(self, ch):
if ch in ['0', '1']:
self.seq.append(ch)
def _backspace(self):
self.seq = self.seq[:len(self.seq)-1]
def apply(self, ch):
if ch == 'B':
self._backspace()
else:
... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,233 |
s281207031 | p04030 | u780206746 | 1579228195 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 494 |
class KeySeq:
def __init__(self):
self.seq = []
def _add_char(self, ch):
if ch in ['0', '1']:
self.seq.append(ch)
def _backspace(self):
self.seq = self.seq[:len(self.seq)-1]
def apply(self, ch):
if ch == 'B':
self._backspace()
else:
... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,234 |
s686026555 | p04030 | u580697892 | 1579203142 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 144 | # coding: utf-8
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
| 1,205,235 |
s384759340 | p04030 | u853185302 | 1579124552 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 112 | s = input()
ans = []
for i in s:
if i == "B":
ans = ans[:-1]
else:
ans.append(i)
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,236 |
s258036438 | p04030 | u846652026 | 1579117720 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 128 | s=input()
ans=""
for ss in s:
if ss=="0":
ans+="0"
elif ss=="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
| 1,205,237 |
s367360129 | p04030 | u380524497 | 1579112378 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 225 | S = input()
res = []
for s in S:
if s == '1':
res.append('1')
elif s == '0':
res.append('0')
else:
if not res:
continue
else:
res.pop()
print(''.join(res)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,238 |
s441930802 | p04030 | u580697892 | 1579062504 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 144 | # coding: utf-8
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
| 1,205,239 |
s978761760 | p04030 | u867848444 | 1579059189 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 188 | s=input()
ans=''
for i in range(len(s)):
a=s[i]
if a=='0':
ans+='0'
elif a=='1':
ans+='1'
else:
if len(ans)!=0:
ans=ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,240 |
s394576949 | p04030 | u671211357 | 1579055815 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 273 | s=input()
ans = []
for i in range(len(s)):
ans.append(s[i])
j=1
while True:
if ans[0]=="B":
ans.pop(0)
elif j>=len(ans):
break
elif ans[j]=="B":
ans.pop(j-1)
ans.pop(j-1)
j-=1
else:
j+=1
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
| 1,205,241 |
s275804298 | p04030 | u854685063 | 1579054061 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 735 | import sys
import math
def i():return int(sys.stdin.readline().replace("\n",""))
def i2():return map(int,sys.stdin.readline().replace("\n","").split())
def s():return str(sys.stdin.readline().replace("\n",""))
def l():return list(sys.stdin.readline().replace("\n",""))
def intl():return [int(k) for k in sys.stdin.readli... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,242 |
s247606891 | p04030 | u225388820 | 1579053928 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 168 | s=input()
t=[]
for i in s:
if i=="0":
t.append(0)
elif i=="1":
t.append(1)
else:
if len(t)>0:
t.pop(-1)
print(*t,sep="") | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,243 |
s179046504 | p04030 | u761989513 | 1579053728 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 120 | s = input()
t = ""
for i in s:
if i == "B":
if t:
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
| 1,205,244 |
s378366225 | p04030 | u485566817 | 1578961365 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 215 | s = input()
ans = []
for i in s:
if i == "0":
ans.append("0")
elif i == "1":
ans.append("1")
elif i == "B" and len(ans) == 0:
ans
else:
ans.pop()
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,245 |
s787594840 | p04030 | u540761833 | 1578943551 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 136 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == 'B':
ans = ans[:len(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
| 1,205,246 |
s074889076 | p04030 | u609061751 | 1578939844 | Python | Python (3.4.3) | py | Accepted | 18 | 3060 | 230 | import sys
input = sys.stdin.readline
ans = []
s = list(input().rstrip())
for i in s:
if i == "0":
ans.append("0")
elif i == "1":
ans.append("1")
elif 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
| 1,205,247 |
s532479047 | p04030 | u102004737 | 1578937394 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 136 | s=input()
x=''
for i in range(len(s)):
if s[i]=='0':
x=x+'0'
elif s[i]=='1':
x=x+'1'
elif s[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
| 1,205,248 |
s058258299 | p04030 | u749770850 | 1578908546 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 190 | s = input()
ans = []
for i in range(len(s)):
if s[i] == "B" and len(ans) >= 1:
ans.pop(-1)
elif s[i] == "0":
ans.append("0")
elif s[i] == "1":
ans.append("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
| 1,205,249 |
s237069978 | p04030 | u243572357 | 1578808896 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 113 | t = ""
s = input()
for i in s:
if i == 'B' and len(t) > 0:
t = t[:-1]
elif i != 'B':
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
| 1,205,250 |
s893474123 | p04030 | u971237642 | 1578781257 | Python | Python (3.4.3) | py | Accepted | 20 | 3316 | 307 | # -*- coding: utf-8 -*-
from collections import deque
s = list(input())
ans = deque()
for i in s:
if i == "0":
ans.extend("0")
elif i == "1":
ans.extend("1")
else:
if len(ans) == 0:
pass
else:
ans.pop()
#print(ans)
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
| 1,205,251 |
s687005324 | p04030 | u672316981 | 1578682218 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 273 | s = str(input())
lst = []
for i in range(len(s)):
if s[i]=='B':
if len(lst)!=0:
del lst[-1]
else:
continue
else:
for j in range(2):
if int(s[i])==j:
lst.append(str(j))
print(''.join(lst)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,252 |
s572100155 | p04030 | u620868411 | 1578543076 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 156 | # -*- coding: utf-8 -*-
s = input()
res = ""
for c in s:
if c=="B" and len(res)>0:
res = res[:-1]
elif c!="B":
res += 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
| 1,205,253 |
s262879046 | p04030 | u823044869 | 1578533639 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 185 | s = list(input())
sStack = []
for ts in s:
if ts == 'B':
#なにか入っていたらpop
if sStack:
sStack.pop()
else:
sStack.append(ts)
print(''.join(sStack))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,254 |
s531131070 | p04030 | u075155299 | 1578505188 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 124 | s=input()
n=""
for i in s:
if i in ["0","1"]:
n=n+i
elif i=="B" and n=="":
pass
else:
n=n[0:-1]
print(n) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,255 |
s563579806 | p04030 | u280552586 | 1578435345 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 165 | S = list(input())
stuck = []
for s in S:
if s != 'B':
stuck.append(s)
elif s == 'B' and len(stuck) != 0:
stuck.pop()
print(*stuck, 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
| 1,205,256 |
s369796860 | p04030 | u268792407 | 1578433921 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 149 | s=input()
ans=""
for i in s:
if ans =="" and i=="B":
continue
elif ans != "" and 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
| 1,205,257 |
s360322497 | p04030 | u226912938 | 1578414215 | Python | Python (3.4.3) | py | Accepted | 18 | 3064 | 262 | s = str(input())
ans = ''
for i in range(len(s)):
if s[i] == '1':
ans = ans + '1'
elif s[i] == '0':
ans = ans + '0'
elif s[i] == 'B':
if len(ans) >= 2:
ans = ans[:-1]
else:
ans = ''
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,258 |
s044803195 | p04030 | u187058053 | 1578354203 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 125 | kekka = ""
for i in input():
if i=="B":
kekka=kekka[:-1]
else:
kekka=kekka+i
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
| 1,205,259 |
s862165062 | p04030 | u187058053 | 1578353791 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 177 | s = list(str(input()))
kekka = []
for i in range(len(s)):
if s[i]!="B":
kekka.append(s[i])
elif kekka!=[]:
kekka.pop()
print(''.join(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
| 1,205,260 |
s037236520 | p04030 | u735008991 | 1578291238 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 105 | ans = ""
for x in input():
if x == "B":
ans = ans[:-1]
else:
ans += x
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,261 |
s014646411 | p04030 | u452269253 | 1578276690 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 140 | s = input()
ans = ""
for a in s:
if a == "B":
if len(ans) != 0:
ans = ans[:-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
| 1,205,262 |
s327832579 | p04030 | u047816928 | 1578249040 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 130 | s = input()
ans = [None]*len(s)
n = 0
for c in s:
ans[n] = c
n += 1
if c=='B': n = max(0, n-2)
print(*ans[:n], 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
| 1,205,263 |
s971590647 | p04030 | u906077984 | 1578176028 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 104 | 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
| 1,205,264 |
s545327904 | p04030 | u906077984 | 1578175888 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 297 | s = list(map(str,input()))
ans = ""
count = 0
for i in s:
if i == "0":
ans += "0"
count += 1
elif i == "1":
ans += "1"
count += 1
else:
if count == 0 :
continue
else:
ans = ans[:-1]
count+=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
| 1,205,265 |
s123849627 | p04030 | u992875223 | 1578170275 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 170 | S = input()
ans = []
for i in S:
if i == '1': ans.append('1')
if i == '0': ans.append('0')
if i == 'B':
if 0 < len(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
| 1,205,266 |
s750965471 | p04030 | u668352391 | 1578091669 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 236 | s = input()
s_list = [s[_] for _ in range(len(s))]
output = list()
for c in s_list:
if c == '0':
output.append('0')
elif c == '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
| 1,205,267 |
s621761755 | p04030 | u757117214 | 1578078935 | Python | Python (3.4.3) | py | Accepted | 17 | 3060 | 159 | s=[i for i in input()]
e=[]
for i in s:
if i=="0":
e.append("0")
elif i=="1":
e.append("1")
else:
if e:
e.pop(-1)
print("".join(e)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,268 |
s177125779 | p04030 | u861141787 | 1578024521 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 240 | S = input()
ans = ""
for i in range(len(S)):
if S[i] == "B":
if ans == "":
pass
else:
ans = ans[:-1]
elif S[i] == "0":
ans += "0"
elif S[i] == "1":
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
| 1,205,269 |
s506237050 | p04030 | u444238096 | 1577938859 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 323 | #入力
a = input()
#空のリスト
ans = []
for c in a:#cが0文字目からaまで
if c != "B": #Bでなければアペンド
ans.append(c)
else:
if len(ans) != 0 :ans.pop()#Bであってさらにリストがからでなければpop
print("".join(ans)) #listをくっつけた文字にできる | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,270 |
s133035631 | p04030 | u677121387 | 1577921982 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 113 | s = input()
ans = ""
for c in s:
if c != "B":
ans += c
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
| 1,205,271 |
s621589086 | p04030 | u677121387 | 1577921720 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 138 | s = input()
ans = []
for c in s:
if c != "B":
ans.append(c)
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
| 1,205,272 |
s213651285 | p04030 | u684305751 | 1577907940 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 68 | d=""
for s in input():
if s=="B":d=d[:-1]
else:d+=s
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
| 1,205,273 |
s096185717 | p04030 | u735069283 | 1577853936 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 165 | 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
| 1,205,274 |
s165194673 | p04030 | u608726540 | 1577850506 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 161 | s=list(input())
a=[]
for i in range(len(s)):
if s[i]=='0' or s[i]=='1':
a.append(s[i])
elif len(a)>0:
del a[len(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
| 1,205,275 |
s488477652 | p04030 | u076764813 | 1577799911 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 223 | s=list(input())
ans=[]
for i in range(len(s)):
if s[i] == "0":
ans.append(s[i])
elif s[i] == "1":
ans.append(s[i])
if s[i] == "B" and ans !=[]:
ans.pop(-1)
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
| 1,205,276 |
s812126632 | p04030 | u530786533 | 1577760285 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 192 | s = input()
ans = []
for x in s:
if (x == '0'):
ans.append('0')
elif (x == '1'):
ans.append('1')
elif (x == 'B' and 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
| 1,205,277 |
s324939580 | p04030 | u007263493 | 1577736874 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 169 | s = input()
S = list(s)
ans = []
for i in range(len(s)):
if S[i] == 'B':
if ans:
ans.pop()
else:
ans.append(S[i])
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,205,278 |
s208180430 | p04030 | u683134447 | 1577568167 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 151 | sl = list(input())
ans = []
for s in sl:
if s != "B":
ans.append(s)
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
| 1,205,279 |
s535671918 | p04030 | u089142196 | 1577560035 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 176 | s=input()
str=""
for item in s:
if item=="0":
str+="0"
elif item=="1":
str+="1"
else:
if len(str)>0:
str=str[0:-1]
else:
pass
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
| 1,205,280 |
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