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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s853500904 | p04029 | u107077660 | 1471137030 | Python | Python (3.4.3) | py | Accepted | 40 | 3064 | 62 | N = int(input())
a = 0
for i in range(1,N+1):
a += i
print(a) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,181 |
s279646028 | p04029 | u341469181 | 1471136991 | Python | Python (3.4.3) | py | Accepted | 39 | 3188 | 67 | def solve(N):
return N * (N + 1) // 2
print(solve(int(input()))) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,182 |
s403361284 | p04029 | u492932526 | 1471136898 | Python | Python (2.7.6) | py | Accepted | 27 | 2568 | 46 | n = int(raw_input())
s = n*( n+1)/2
print s
| p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,183 |
s496893657 | p04029 | u562283476 | 1471136879 | Python | Python (3.4.3) | py | Accepted | 40 | 3188 | 41 | N = int(input())
print(sum(range(1,N+1))) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,184 |
s237789321 | p04029 | u948287304 | 1471136834 | Python | Python (2.7.6) | py | Accepted | 25 | 2568 | 46 | print sum([i for i in range(1, input() + 1)])
| p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,185 |
s993219366 | p04029 | u982653403 | 1471136682 | Python | Python (3.4.3) | py | Accepted | 39 | 3188 | 33 | print(sum(range(int(input())+1))) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,186 |
s460302366 | p04029 | u391812144 | 1471136655 | Python | Python (3.4.3) | py | Accepted | 38 | 3064 | 88 | n = int(input())
result = 0
for i in range(1,n+1):
result = result + i
print(result) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,187 |
s029266072 | p04029 | u307757209 | 1471136641 | Python | Python (2.7.6) | py | Accepted | 25 | 2568 | 60 | x=input()
sum=0
for i in range(1,x+1):
sum+=i
print sum | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,188 |
s075023687 | p04029 | u123756661 | 1471136611 | Python | Python (2.7.6) | py | Accepted | 27 | 2568 | 71 | n=int(raw_input())
print (1+n)*(n/2) if n%2==0 else (1+n)*(n/2)+(1+n)/2 | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,189 |
s637851592 | p04029 | u869328641 | 1471136597 | Python | Python (3.4.3) | py | Accepted | 38 | 3064 | 38 | n = int(input())
print(int(n*(n+1)/2)) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,190 |
s977672230 | p04029 | u352021237 | 1471136560 | Python | Python (2.7.6) | py | Accepted | 26 | 2568 | 34 | n=int(raw_input())
print n*(n+1)/2 | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,191 |
s194692619 | p04029 | u821262411 | 1471136557 | Python | Python (3.4.3) | py | Accepted | 39 | 3064 | 33 | n=int(input())
print(n*(n+1)//2)
| p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,192 |
s712820936 | p04029 | u786082266 | 1471136545 | Python | Python (2.7.6) | py | Accepted | 26 | 2568 | 61 | a = input()
a += 1
s = 0
for i in range(a):
s += i
print s | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,193 |
s852787679 | p04029 | u966695411 | 1471136533 | Python | Python (3.4.3) | py | Accepted | 43 | 3188 | 72 | #! /usr/bin/env python3
print(sum(x for x in range(1, int(input())+1))) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,194 |
s882138223 | p04029 | u010110540 | 1471136513 | Python | Python (3.4.3) | py | Accepted | 47 | 3188 | 34 | s = int(input())
print(s*(s+1)//2) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,195 |
s187590973 | p04029 | u258647915 | 1471136472 | Python | Python (2.7.6) | py | Accepted | 27 | 2700 | 39 | n = int(raw_input())
print n*(n+1) / 2
| p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,196 |
s971581514 | p04029 | u758661720 | 1471136469 | Python | Python (2.7.6) | py | Accepted | 26 | 2568 | 64 | n=input()
sum = 0
for i in range(n):
sum += (i+1)
print sum | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,197 |
s287561212 | p04029 | u327854949 | 1471136467 | Python | Python (2.7.6) | py | Accepted | 27 | 2572 | 43 | n = int(raw_input())
print sum(range(n+1))
| p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,198 |
s600932326 | p04029 | u776189585 | 1471136464 | Python | Python (2.7.6) | py | Accepted | 26 | 2568 | 36 | n = int(raw_input())
print n*(n+1)/2 | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,199 |
s978741939 | p04029 | u986399983 | 1471136449 | Python | Python (2.7.6) | py | Accepted | 26 | 2572 | 40 | n = int(raw_input())
print n * (n+1) / 2 | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,200 |
s058066514 | p04029 | u010733367 | 1471136436 | Python | Python (3.4.3) | py | Accepted | 38 | 3064 | 68 | N = int(input())
ans = sum([i for i in range(1, N + 1)])
print(ans)
| p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,201 |
s536496619 | p04029 | u798181098 | 1471136429 | Python | Python (3.4.3) | py | Accepted | 37 | 3064 | 38 | a = int(input())
print(a * (a+1) // 2) | p04029 | <span class="lang-en">
<p>Score : <var>100</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>There are <var>N</var> children in AtCoder Kindergarten. Mr. Evi will arrange the children in a line, then give <var>1</var> candy to the first child in the line, <var>2</var> candies to the second chil... | 3
| 6
| 1,204,202 |
s273800428 | p04030 | u782001565 | 1601515017 | Python | Python (3.8.2) | py | Accepted | 22 | 9076 | 130 | 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
| 1,204,203 |
s897237997 | p04030 | u864785784 | 1601434837 | Python | Python (3.8.2) | py | Accepted | 27 | 8928 | 153 | s = str(input())
ans = []
for i in range(len(s)):
if s[i] == "B":
if len(ans) != 0: ans.pop()
else : ans.append(s[i])
print(''.join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,204 |
s710535190 | p04030 | u825429469 | 1601418716 | Python | Python (3.8.2) | py | Accepted | 27 | 8952 | 226 | S = str(input())
stack = []
for s in S:
if s == '0' or s == '1':
stack.append(s)
elif s == 'B':
if not stack:
continue
else:
stack.pop()
for s in stack:print(s,end='') | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,205 |
s669103022 | p04030 | u821251381 | 1601418113 | Python | Python (3.8.2) | py | Accepted | 25 | 8876 | 139 | S=list(input())
ans=[]
for s in S:
if s == "B":
if len(ans)>0:
del ans[-1]
else:
ans.append(s)
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,206 |
s646985956 | p04030 | u351221036 | 1601401164 | Python | Python (3.8.2) | py | Accepted | 27 | 8948 | 366 | first_str =input()
input_list = list(first_str)
total_list = list()
for i in input_list:
if i == "0":
total_list.append("0")
elif i == "1":
total_list.append("1")
else:
if not total_list:
pass
else:
total_list.pop(-1)
total = "".j... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,207 |
s387910325 | p04030 | u148981246 | 1601325576 | Python | Python (3.8.2) | py | Accepted | 27 | 8912 | 171 | s = input()
out =''
for x in s:
if x != 'B':
out += x
else:
if out == '':
continue
else:
out = out[:-1]
print(out) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,208 |
s010670262 | p04030 | u883621917 | 1601250666 | Python | PyPy3 (7.3.0) | py | Accepted | 70 | 61792 | 202 | import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 7)
s = []
for v in input().strip():
if v != 'B':
s.append(v)
else:
if s:
s.pop()
print(''.join(s))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,209 |
s260817648 | p04030 | u513211419 | 1601237201 | Python | Python (3.8.2) | py | Accepted | 26 | 8840 | 204 | s = input()
ans = ""
for char in s:
if char == 'B':
if ans == "":
pass
else:
l = len(ans)
ans = ans[0:l-1]
else:
ans += char
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,210 |
s589339920 | p04030 | u513211419 | 1601237032 | Python | Python (3.8.2) | py | Accepted | 27 | 9032 | 208 | s = input()
ans = ""
for char in s:
if char != 'B':
ans += char
else:
if ans == "":
pass
else:
le = len(ans)
ans = ans[0:le - 1]
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,211 |
s233081137 | p04030 | u015084832 | 1601178091 | Python | Python (3.8.2) | py | Accepted | 27 | 9124 | 360 | def main():
s = str(input())
ans = []
for val in s :
if val == "B" and ans == [] :
pass
elif val == "B" and ans != [] :
ans.pop(-1)
else :
ans.append(val)
ans_str = ""
for val in ans :
ans_str = ans_str + val
print(ans_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
| 1,204,212 |
s493927826 | p04030 | u521323621 | 1601173105 | Python | Python (3.8.2) | py | Accepted | 26 | 9084 | 101 | i = input()
ans = ""
for s in i:
if s != "B":
ans += s
else:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,213 |
s230198769 | p04030 | u931394483 | 1601145496 | Python | Python (3.8.2) | py | Accepted | 23 | 8896 | 166 | s = [ss for ss in str(input())]
ans = []
for i in s:
if i == "0" or i == "1":
ans.append(i)
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
| 1,204,214 |
s190285676 | p04030 | u654470292 | 1601064898 | Python | PyPy3 (7.3.0) | py | Accepted | 61 | 61760 | 163 | s=input()
ans=""
for i in s:
if i=="0":
ans+="0"
elif i=="1":
ans+="1"
else:
if len(ans)>0:
ans=ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,215 |
s860561309 | p04030 | u161778051 | 1600964410 | Python | Python (3.8.2) | py | Accepted | 26 | 8848 | 146 | s = input()
a = []
for c in s:
if c in ['0', '1']:
a.append(c)
else:
if len(a) != 0:
a.pop()
print(''.join(a)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,216 |
s991649198 | p04030 | u453623947 | 1600912458 | Python | Python (3.8.2) | py | Accepted | 30 | 8984 | 224 | s = list(input())
ans = []
for i in range(len(s)) :
if s[i] == "0" :
ans.append("0")
elif s[i] == "1" :
ans.append("1")
elif s[i] == "B" and len(ans) > 0 :
del ans[-1]
print("".join(ans))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,217 |
s648603081 | p04030 | u113835532 | 1600827614 | Python | Python (3.8.2) | py | Accepted | 26 | 9060 | 259 | def answer(s: str) -> str:
result = ''
for c in s:
if c == 'B':
result = result[:-1]
else:
result += c
return result
def main():
s = input()
print(answer(s))
if __name__ == '__main__':
main()
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,218 |
s346762028 | p04030 | u080364835 | 1600796339 | Python | Python (3.8.2) | py | Accepted | 28 | 9008 | 130 | 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
| 1,204,219 |
s700924107 | p04030 | u045505231 | 1600756035 | Python | Python (3.8.2) | py | Accepted | 34 | 9276 | 229 | import math
from datetime import date
def main():
s = input()
ans = []
for c in s:
if c != 'B':
ans.append(c)
else:
if len(ans) != 0:
ans.pop();
line = ""
for c in ans:
line += c
print(line)
main()
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,220 |
s182525959 | p04030 | u244434589 | 1600740232 | Python | Python (3.8.2) | py | Accepted | 28 | 9084 | 242 | s = input()
l = []
for i in range(len(s)):
if s[i] == '0':
l.append('0')
elif s[i] == '1':
l.append('1')
else:
if l == []:
continue
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
| 1,204,221 |
s148162806 | p04030 | u749491107 | 1600706486 | Python | Python (3.8.2) | py | Accepted | 26 | 9116 | 202 | s = input()
x = []
for i in range(len(s)):
if s[i] == "0":
x.append("0")
elif s[i] == "1":
x.append("1")
elif s[i] == "B" and len(x) > 0 :
x.pop(-1)
print("".join(x)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,222 |
s902147013 | p04030 | u825685913 | 1600651528 | Python | Python (3.8.2) | py | Accepted | 25 | 8988 | 222 | s = input()
ans = ""
for _ in range(len(s)):
if s[0] == "0":
ans += "0"
s = s[1:]
elif s[0] == "1":
ans += "1"
s = s[1:]
else:
s = s[1:]
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,223 |
s613191944 | p04030 | u699296734 | 1600635070 | Python | Python (3.8.2) | py | Accepted | 29 | 9028 | 175 | s = input()
res = ""
for i in range(len(s)):
if s[i] == "1" or s[i] == "0":
res += s[i]
elif s[i] == "B" and len(res) != 0:
res = res[:-1]
print(res)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,224 |
s426079187 | p04030 | u367397360 | 1600633823 | Python | Python (3.8.2) | py | Accepted | 31 | 9064 | 258 | # Sの入力受付
S = input()
# Sを順に読み込みBがあったとき直前の文字と一緒に消去
STR = ""
for i in S:
STR = STR + i
if i == "B" and STR == "":
STR = ""
elif i == "B":
STR = STR[:len(STR) - 2]
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
| 1,204,225 |
s250691241 | p04030 | u348216768 | 1600606436 | Python | Python (3.8.2) | py | Accepted | 24 | 9112 | 123 | s=input()
output=''
for i in s:
if i!='B':
output+=i
elif i=='B':
output=output[:-1]
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
| 1,204,226 |
s081206484 | p04030 | u758933970 | 1600491843 | Python | Python (3.8.2) | py | Accepted | 25 | 8972 | 243 |
opperations = list(input())
display_stack = []
for opperation in opperations:
if opperation == "B":
if display_stack:
display_stack.pop()
else:
display_stack.append(opperation)
print(''.join(display_stack)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,227 |
s528465415 | p04030 | u392788668 | 1600489928 | Python | Python (3.8.2) | py | Accepted | 30 | 9040 | 212 | s = list(input())
w_len = len(s)
word = []
for x in range(w_len):
if s[x] == 'B':
if word != []:
word.pop(-1)
else:
word.append(s[x])
result = ''
for y in word:
result = result+y
print(result) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,228 |
s448850365 | p04030 | u347397127 | 1600464190 | Python | PyPy3 (7.3.0) | py | Accepted | 63 | 61788 | 166 | S=input()
ans = []
for i in range(len(S)):
if S[i] == "B":
if len(ans) != 0:
del ans[len(ans)-1]
else:
ans.append(S[i])
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
| 1,204,229 |
s882442453 | p04030 | u855831834 | 1600459176 | Python | Python (3.8.2) | py | Accepted | 28 | 9308 | 186 | from collections import deque
S = input()
ans = deque([])
for s in S:
if s=="B":
if ans:
ans.pop()
else:
ans.append(s)
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,230 |
s601808544 | p04030 | u977605150 | 1600458403 | Python | Python (3.8.2) | py | Accepted | 28 | 9116 | 263 | a = list(input())
ans = []
for i in range(len(a)):
if a[i] == '0':
ans.append('0')
elif a[i] == '1':
ans.append('1')
elif a[i] == 'B':
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
| 1,204,231 |
s326913698 | p04030 | u306412379 | 1600435029 | Python | Python (3.8.2) | py | Accepted | 30 | 8932 | 230 | s = list(input())
x = len(s)
a = []
for i in range(x):
if s[i] == '0':
a.append('0')
elif s[i] == '1':
a.append('1')
elif s[i] == 'B':
if a == []:
continue
else:
a.pop(-1)
b = ''.join(a)
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
| 1,204,232 |
s999899727 | p04030 | u035885928 | 1600407325 | Python | Python (3.8.2) | py | Accepted | 24 | 8936 | 164 | s=input()
fin=""
for c in s:
if c=='1':
fin+="1"
elif c=='0':
fin+="0"
else:
if len(fin)>0:
fin=fin[:-1]
print(fin)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,233 |
s683379590 | p04030 | u911449886 | 1600312283 | Python | PyPy3 (7.3.0) | py | Accepted | 59 | 61904 | 201 | s = input()
arr = []
for i in s:
if i=="B":
if not arr:
continue
arr.pop(-1)
else:
arr.append(i)
ans = ""
for i in arr:
ans = "".join([ans,i])
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,234 |
s193763015 | p04030 | u698868214 | 1600273571 | Python | Python (3.8.2) | py | Accepted | 24 | 8968 | 192 | s = input()
n = len(s)
ans = []
for i in range(n):
if s[i] == "0":
ans.append("0")
elif s[i] == "1":
ans.append("1")
else:
if ans:
ans.pop()
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,235 |
s003590512 | p04030 | u794521826 | 1600222516 | Python | Python (3.8.2) | py | Accepted | 25 | 8976 | 214 | s = input()
stack = []
for c in s:
if c == "B":
if len(stack) == 0:
continue
else:
stack.pop(-1)
else:
stack.extend(c)
for c in stack:
print(c, end="")
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,236 |
s933018137 | p04030 | u612975321 | 1600215083 | Python | Python (3.8.2) | py | Accepted | 28 | 9040 | 159 | s = input()
ans = []
for i in range(len(s)):
if s[i] == 'B':
if ans:
ans.pop()
else:
ans.append(s[i])
print(''.join(ans))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,237 |
s143514729 | p04030 | u014139588 | 1600205788 | Python | Python (3.8.2) | py | Accepted | 28 | 9044 | 149 | s = input()
ans = []
for i in range(len(s)):
if s[i] == "B":
if len(ans) != 0:
ans.pop()
else:
ans.append(s[i])
print("".join(ans)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,238 |
s124616111 | p04030 | u044378346 | 1600185986 | Python | Python (3.8.2) | py | Accepted | 25 | 9044 | 170 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == '0':
ans += '0'
elif s[i] == '1':
ans += '1'
else:
if ans != '':
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,239 |
s621197122 | p04030 | u317508154 | 1600152752 | Python | Python (3.8.2) | py | Accepted | 29 | 8976 | 225 | s = input()
ans = ''
for i in range(len(s)):
if s[i] == '0':
ans += '0'
elif s[i] == '1':
ans += '1'
else:
if ans != '':
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,240 |
s749480957 | p04030 | u293703041 | 1600099942 | Python | Python (3.8.2) | py | Accepted | 30 | 9224 | 975 | # https://atcoder.jp/contests/abc043/tasks/abc043_b
"""
双方向キューをつかって実装する
このどれかの操作ができる
* 0 をキューに入れる
* 1 をキューに入れる
* キューの最後のものを出す
注意: キューが空の場合にバックスペースをしても何も起きないようにする
"""
from collections import deque
q = deque()
s = input()
for operation in s:
if operation == "0":
# 右端に0を追加
q.append("0")
elif... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,241 |
s089009703 | p04030 | u381585104 | 1600068537 | Python | Python (3.8.2) | py | Accepted | 29 | 8960 | 141 | s = input()
st = []
for e in s:
if e == 'B':
if len(st) != 0:
st.pop()
else:
st.append(int(e))
print(''.join(map(str,st)))
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,242 |
s707230922 | p04030 | u641446860 | 1599967645 | Python | Python (3.8.2) | py | Accepted | 25 | 8936 | 88 | s=input()
ans=''
for i in s:
if i!='B':
ans+=i
else:
ans=ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,243 |
s335516904 | p04030 | u614181788 | 1599960258 | Python | Python (3.8.2) | py | Accepted | 29 | 9040 | 184 | s = input()
L = []
for x in s:
if x == "0":
L.append("0")
elif x == "1":
L.append("1")
else:
if len(L) >= 1:
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
| 1,204,244 |
s372955387 | p04030 | u477320129 | 1599957183 | Python | Python (3.8.2) | py | Accepted | 30 | 9088 | 600 | #!/usr/bin/env python3
import sys
def solve(s: str):
a = []
for c in s:
if c == "B":
if a:
a.pop()
else:
a.append(c)
return "".join(a)
# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools
def main():
def iterate_tokens():
... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,245 |
s176575426 | p04030 | u666550725 | 1599882760 | Python | PyPy3 (7.3.0) | py | Accepted | 61 | 61680 | 174 | 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) >= 1:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,246 |
s998786135 | p04030 | u006880673 | 1599864529 | Python | PyPy3 (7.3.0) | py | Accepted | 62 | 61732 | 189 | s = input()
stack = []
for i in range(len(s)):
if s[i] == "B":
if not stack:
continue
stack.pop()
else:
stack.append(s[i])
print("".join(stack)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,247 |
s218626697 | p04030 | u630211216 | 1599829805 | Python | Python (3.8.2) | py | Accepted | 28 | 9064 | 103 | s=input()
ans=""
for c in s:
if c=='B':
if ans:
ans=ans[0:-1]
else:
ans+=c
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,248 |
s700358530 | p04030 | u918422508 | 1599812087 | Python | Python (3.8.2) | py | Accepted | 26 | 8800 | 209 | s = str(input())
a = []
for i in range(len(s)):
if s[i] == '0':
a.append('0')
elif s[i] == '1':
a.append('1')
else:
if len(a) != 0:
a.pop()
print(''.join(a)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,249 |
s383323483 | p04030 | u999503965 | 1599789997 | Python | Python (3.8.2) | py | Accepted | 27 | 9032 | 149 | s=str(input())
l=[]
for i in s:
if i=="0" or i=="1":
l.append(i)
elif i=="B" and len(l)!=0:
l.pop(len(l)-1)
print(*l,sep='')
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,250 |
s041253541 | p04030 | u998733244 | 1599774325 | Python | Python (3.8.2) | py | Accepted | 30 | 8960 | 170 | #!/usr/bin/env python3
S = input()
ret = ''
for i in range(len(S)):
if S[i] == '0': ret += '0'
elif S[i] == '1': ret += '1'
else: ret = ret[:-1]
print(ret)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,251 |
s315768079 | p04030 | u759109971 | 1599752357 | Python | Python (3.8.2) | py | Accepted | 25 | 9036 | 207 | s = str(input())
a = []
for i in range(len(s)):
if s[i] == '0':
a.append('0')
elif s[i] == '1':
a.append('1')
else:
if len(a) != 0:
a.pop()
print(''.join(a)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,252 |
s430824522 | p04030 | u629540524 | 1599712792 | Python | Python (3.8.2) | py | Accepted | 28 | 9032 | 163 | s = input()
a = ""
for i in s:
if i == "0":
a+="0"
elif i == "1":
a+="1"
else:
if a!="":
a=a[:-1]
print(a) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,253 |
s224946384 | p04030 | u629540524 | 1599712774 | Python | PyPy3 (7.3.0) | py | Accepted | 62 | 61712 | 163 | s = input()
a = ""
for i in s:
if i == "0":
a+="0"
elif i == "1":
a+="1"
else:
if a!="":
a=a[:-1]
print(a) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,254 |
s251964221 | p04030 | u074161135 | 1599694575 | Python | Python (3.8.2) | py | Accepted | 27 | 9060 | 127 | n = input()
str = ''
for i in n:
if i == '0' or i == '1':
str = str + i
if i == 'B':
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
| 1,204,255 |
s020578597 | p04030 | u174040991 | 1599687765 | Python | Python (3.8.2) | py | Accepted | 24 | 8980 | 96 | n = ""
command = input()
for i in command:
if i == "B":
n=n[:-1]
else:
n+=i
print(n) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,256 |
s171817892 | p04030 | u417309772 | 1599646490 | Python | Python (3.8.2) | py | Accepted | 26 | 8876 | 78 | buf=''
for c in input():
if c=='B': buf=buf[:-1]
else: buf += c
print(buf) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,257 |
s701098815 | p04030 | u816631826 | 1599625641 | Python | Python (3.8.2) | py | Accepted | 24 | 9092 | 124 | x=input()
z=''
for i in x:
if i == '0':
z= z+i
elif i == '1':
z= z+i
elif i == 'B':
z= z[:-1]
print(z) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,258 |
s912672727 | p04030 | u044964932 | 1599593072 | Python | Python (3.8.2) | py | Accepted | 30 | 9228 | 379 | from collections import deque
def main():
ss = list(input())
ans = deque([])
for s in ss:
if s == '0':
ans.append(s)
elif s == '1':
ans.append(s)
else:
if len(ans) == 0:
pass
else:
ans.pop()
print(*... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,259 |
s992471016 | p04030 | u748241164 | 1599579818 | Python | Python (3.8.2) | py | Accepted | 30 | 8940 | 242 | S = str(input())
ans = []
for i in range(len(S)):
if S[i] == "B":
if ans == []:
continue
else:
ans = ans[:-1]
else:
ans.append(S[i])
#print(ans)
#print(ans)
for i in range(len(ans)):
print(ans[i], end = "") | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,260 |
s200649310 | p04030 | u595952233 | 1599538515 | Python | Python (3.8.2) | py | Accepted | 27 | 8932 | 177 | S = input()
ans = ''
for s in S:
if s == '0':
ans+='0'
elif s == '1':
ans += '1'
else:
if len(ans)>0:
ans = ans[:-1]
print(ans)
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,261 |
s275588010 | p04030 | u607563136 | 1599516997 | Python | Python (3.8.2) | py | Accepted | 28 | 9072 | 213 | S = input()
stack = []
for s in S:
if not stack and s!="B":
stack.append(s)
elif s=="B":
if stack:stack.pop()
else:continue
else:
stack.append(s)
print("".join(stack)) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,262 |
s843713381 | p04030 | u980205854 | 1599500140 | Python | PyPy3 (7.3.0) | py | Accepted | 73 | 65692 | 753 | import sys
from sys import exit
from collections import deque
from bisect import bisect_left, bisect_right, insort_left, insort_right #func(リスト,値)
from heapq import heapify, heappop, heappush
from math import *
sys.setrecursionlimit(10**6)
INF = 10**20
eps = 1.0e-20
MOD = 10**9+7
def mint():
return map(int,input(... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,263 |
s025029613 | p04030 | u583507988 | 1599486105 | Python | Python (3.8.2) | py | Accepted | 29 | 8996 | 208 | s=input()
data=[]
for i in range(len(s)):
if s[i]=='0':
data.append('0')
elif s[i]=='1':
data.append('1')
else:
if len(data)==0:
continue
else:
data.pop()
print(*data,sep='') | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,264 |
s295283097 | p04030 | u624613992 | 1599450647 | Python | Python (3.8.2) | py | Accepted | 29 | 9040 | 167 | s = input()
ans = []
for i in s:
if i == "0":
ans.append(0)
elif i == "1":
ans.append(1)
else:
if len(ans) != 0:
ans.pop(-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
| 1,204,265 |
s282137847 | p04030 | u634046173 | 1599439648 | Python | PyPy3 (7.3.0) | py | Accepted | 60 | 61552 | 134 | S = input()
es =''
for s in S:
if s == '1' or s == '0':
es+=s
else:
#if es != '':
es=es[:-1]
print(es) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,266 |
s341830506 | p04030 | u634046173 | 1599439616 | Python | PyPy3 (7.3.0) | py | Accepted | 67 | 61824 | 137 | S = input()
es =''
for s in S:
if s == '1' or s == '0':
es+=s
else:
if es != '':
es=es[:-1]
print(es) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,267 |
s795680795 | p04030 | u708211626 | 1599426723 | Python | Python (3.8.2) | py | Accepted | 29 | 8924 | 85 | s=input()
a=''
for i in s:
if i=='B':
a=a[:-1]
else:
a+=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
| 1,204,268 |
s813414584 | p04030 | u239091426 | 1599420982 | Python | Python (3.8.2) | py | Accepted | 32 | 9028 | 98 | s = input()
ans = ""
for i in s:
if i == "B":
ans = ans[:-1]
else:
ans += i
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,269 |
s394324171 | p04030 | u107639613 | 1599410894 | Python | PyPy3 (7.3.0) | py | Accepted | 73 | 61892 | 265 | import sys
def input(): return sys.stdin.readline().strip()
def main():
s = input()
ans = ""
for c in s:
if c != 'B':
ans += c
elif ans != "":
ans = ans[:-1]
print(ans)
if __name__ == "__main__":
main()
| p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,270 |
s197985682 | p04030 | u304612256 | 1599371384 | Python | Python (3.8.2) | py | Accepted | 26 | 8932 | 181 | from sys import stdin
input = stdin.readline
S = input().strip()
P = ''
for s in S:
if s == 'B':
if P != '':
P = P[:-1]
else:
P = P + s
print(P) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,271 |
s783153690 | p04030 | u018984506 | 1599366716 | Python | Python (3.8.2) | py | Accepted | 30 | 9328 | 329 | from sys import exit
import math
import collections
ii = lambda : int(input())
mi = lambda : map(int,input().split())
li = lambda : list(map(int,input().split()))
s = input()
ans = ''
for i in range(len(s)):
if s[i] == 'B':
if len(ans) == 0: continue
ans = ans[0:-1]
else:
ans += s[i]
p... | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,272 |
s929536350 | p04030 | u230621983 | 1599364452 | Python | Python (3.8.2) | py | Accepted | 25 | 9092 | 167 | s = input()
ans = ''
for c in s:
if c == '0':
ans += '0'
elif c == '1':
ans += '1'
elif c == 'B' and ans:
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,273 |
s014306747 | p04030 | u705418271 | 1599363258 | Python | Python (3.8.2) | py | Accepted | 24 | 9040 | 126 | s=input()
ans=''
for c in s:
if c=='0':
ans+='0'
elif c=='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
| 1,204,274 |
s250202807 | p04030 | u973069173 | 1599348056 | Python | Python (3.8.2) | py | Accepted | 31 | 9028 | 204 | a = input()
test = ''
for i in range(len(a)):
if a[i] == '0':
test += '0'
elif a[i] == '1':
test += '1'
else:
if len(a) == 0:
pass
else:
test = test[:-1]
print(test) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,275 |
s230830878 | p04030 | u510331904 | 1599347722 | Python | Python (3.8.2) | py | Accepted | 26 | 9016 | 271 | #!/usr/bin/env python3
s = input()
len_s = len(s)
text = ''
for i in range(len_s):
if s[i] == '0':
text += '0'
elif s[i] == '1':
text += '1'
else:
if text == '':
pass
else:
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
| 1,204,276 |
s772469128 | p04030 | u384793271 | 1599335217 | Python | Python (3.8.2) | py | Accepted | 26 | 9032 | 160 | s = input()
ans = ''
for c in s:
if c == '0':
ans += '0'
elif c == '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
| 1,204,277 |
s469643111 | p04030 | u250734103 | 1599334629 | Python | Python (3.8.2) | py | Accepted | 30 | 9020 | 168 | s = input()
ans = ''
for char in s:
if char == '0':
ans += '0'
if char == '1':
ans += '1'
if char == 'B':
ans = ans[:-1]
print(ans) | p04030 | <span class="lang-en">
<p>Score : <var>200</var> points</p>
<div class="part">
<section>
<h3>Problem Statement</h3><p>Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has <var>3</var> keys on it: the <code>0</code> key, the <code>1</code> key and the backspace key.</p>
<p>To begin wi... | 01B0
| 00
| 1,204,278 |
s626707474 | p04030 | u282813849 | 1599322561 | Python | Python (3.8.2) | py | Accepted | 29 | 8968 | 130 | S = input()
F = []
for ch in S:
if ch == "B":
if len(F) > 0:
F.pop()
else:
F.append(ch)
print("".join(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
| 1,204,279 |
s839314832 | p04030 | u014333473 | 1599251978 | Python | Python (3.8.2) | py | Accepted | 25 | 9000 | 94 | n=[]
for i in input():
if i=='B':
if n: n.pop()
else:
n.append(i)
print(*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
| 1,204,280 |
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