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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s624511984 | p01810 | u835414158 | 1517900261 | Python | Python | py | Accepted | 40 | 7704 | 89 | b, k = map(int, raw_input().split())
g=0
for i in range(0,b-1):
g=1+(k*g)/(k-1)
print g
| p01810 |
<h2>監獄</h2>
<p>無限人の囚人たちがいる。はじめ、囚人たちは <var>0, 1, 2,</var> ... と番号が振られている。</p>
<p>次の操作を <var>N</var> 回行う。</p>
<ul>
<li><var>0</var> 番目の囚人を釈放し、<var>k, 2k, 3k,</var> ... 番目の囚人たちを処刑する。</li>
<li>その後、残った囚人たちに番号を振り直す。このとき、元の番号が小さい囚人から順に <var>0, 1, 2, </var> ... と番号を振る。</li>
</ul>
<p><var>N</var> 回目の操作で釈放される囚人がはじめに振られていた番... | 4 2
| 7
| 27,048 |
s599967124 | p01810 | u509278866 | 1530006844 | Python | Python3 | py | Accepted | 90 | 9020 | 796 | import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(0,-1),(1,0),(0,1),(-1,0)]
ddn = [(0,-1),(1,-1),(1,0),(1,1),(0,1),(-1,-1),(-1,0),(-1,1)]
def LI(): return [int(x) for x in sys.stdin.... | p01810 |
<h2>監獄</h2>
<p>無限人の囚人たちがいる。はじめ、囚人たちは <var>0, 1, 2,</var> ... と番号が振られている。</p>
<p>次の操作を <var>N</var> 回行う。</p>
<ul>
<li><var>0</var> 番目の囚人を釈放し、<var>k, 2k, 3k,</var> ... 番目の囚人たちを処刑する。</li>
<li>その後、残った囚人たちに番号を振り直す。このとき、元の番号が小さい囚人から順に <var>0, 1, 2, </var> ... と番号を振る。</li>
</ul>
<p><var>N</var> 回目の操作で釈放される囚人がはじめに振られていた番... | 4 2
| 7
| 27,049 |
s404489279 | p01810 | u919638656 | 1562762725 | Python | Python3 | py | Accepted | 70 | 5596 | 113 | n, k = map(int,input().split())
now = 0
while n > 1:
n -= 1
now = (now * k) // (k - 1) + 1
print(now)
| p01810 |
<h2>監獄</h2>
<p>無限人の囚人たちがいる。はじめ、囚人たちは <var>0, 1, 2,</var> ... と番号が振られている。</p>
<p>次の操作を <var>N</var> 回行う。</p>
<ul>
<li><var>0</var> 番目の囚人を釈放し、<var>k, 2k, 3k,</var> ... 番目の囚人たちを処刑する。</li>
<li>その後、残った囚人たちに番号を振り直す。このとき、元の番号が小さい囚人から順に <var>0, 1, 2, </var> ... と番号を振る。</li>
</ul>
<p><var>N</var> 回目の操作で釈放される囚人がはじめに振られていた番... | 4 2
| 7
| 27,050 |
s578093662 | p01810 | u191474223 | 1562726116 | Python | Python3 | py | Accepted | 70 | 5596 | 103 | N,K = map(int, input().split())
ans = 1
for _ in range(N-1):
ans += (ans+K-2)//(K-1)
print(ans-1)
| p01810 |
<h2>監獄</h2>
<p>無限人の囚人たちがいる。はじめ、囚人たちは <var>0, 1, 2,</var> ... と番号が振られている。</p>
<p>次の操作を <var>N</var> 回行う。</p>
<ul>
<li><var>0</var> 番目の囚人を釈放し、<var>k, 2k, 3k,</var> ... 番目の囚人たちを処刑する。</li>
<li>その後、残った囚人たちに番号を振り直す。このとき、元の番号が小さい囚人から順に <var>0, 1, 2, </var> ... と番号を振る。</li>
</ul>
<p><var>N</var> 回目の操作で釈放される囚人がはじめに振られていた番... | 4 2
| 7
| 27,051 |
s323159576 | p01810 | u171377572 | 1526527769 | Python | Python3 | py | Accepted | 60 | 5604 | 120 | N, k = [int(i) for i in input().split()]
ans = 0
for i in range(N - 1):
ans = (ans * k + k - 1) // (k - 1)
print(ans)
| p01810 |
<h2>監獄</h2>
<p>無限人の囚人たちがいる。はじめ、囚人たちは <var>0, 1, 2,</var> ... と番号が振られている。</p>
<p>次の操作を <var>N</var> 回行う。</p>
<ul>
<li><var>0</var> 番目の囚人を釈放し、<var>k, 2k, 3k,</var> ... 番目の囚人たちを処刑する。</li>
<li>その後、残った囚人たちに番号を振り直す。このとき、元の番号が小さい囚人から順に <var>0, 1, 2, </var> ... と番号を振る。</li>
</ul>
<p><var>N</var> 回目の操作で釈放される囚人がはじめに振られていた番... | 4 2
| 7
| 27,052 |
s182535582 | p01810 | u281836941 | 1513700729 | Python | Python3 | py | Accepted | 100 | 5604 | 445 | def horizontal_input(T=str):
return list(map(T,input().split()))
def vertical_input(n,T=str,sep=False,septype=tuple):
data=[]
if sep:
for i in range(n):
data.append(septype(map(T,input().split())))
else:
for i in range(n):
data.append(T(input()))
return data
... | p01810 |
<h2>監獄</h2>
<p>無限人の囚人たちがいる。はじめ、囚人たちは <var>0, 1, 2,</var> ... と番号が振られている。</p>
<p>次の操作を <var>N</var> 回行う。</p>
<ul>
<li><var>0</var> 番目の囚人を釈放し、<var>k, 2k, 3k,</var> ... 番目の囚人たちを処刑する。</li>
<li>その後、残った囚人たちに番号を振り直す。このとき、元の番号が小さい囚人から順に <var>0, 1, 2, </var> ... と番号を振る。</li>
</ul>
<p><var>N</var> 回目の操作で釈放される囚人がはじめに振られていた番... | 4 2
| 7
| 27,053 |
s902180400 | p01811 | u999854911 | 1489919229 | Python | Python3 | py | Accepted | 100 | 7584 | 751 | # Str -> Bool
def solve(s):
if len(s) < 3:
return False
history = []
t = s
while t.find("ABC") != -1:
if t[0:3] == "ABC":
t = t.replace("ABC", "A")
history.append("A")
elif t[-3:] == "ABC":
t = t.replace("ABC", "C")
history.append... | p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,054 |
s376815858 | p01811 | u942982291 | 1508395841 | Python | Python | py | Accepted | 90 | 6484 | 375 | #!/usr/bin/python
if __name__ == "__main__":
S = raw_input()
c = ['A','B','C']
while True:
if len(S) <= 3:
print "Yes" if S == "ABC" else "No"
break
T = S.strip().split("ABC")
if len(T) == 1:
print "No"
break
P = ''.join(T)
cnt = 0
for x in c:
if x in P:
cnt += 1
else:
... | p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,055 |
s114258485 | p01811 | u942982291 | 1508396162 | Python | Python | py | Accepted | 30 | 6480 | 351 | #!/usr/bin/python
if __name__ == "__main__":
S = raw_input()
c = ['A','B','C']
while True:
if len(S) <= 3:
print "Yes" if S == "ABC" else "No"
break
T = S.strip().split("ABC")
P = ''.join(T)
cnt = 0
for x in c:
if x in P:
cnt += 1
else:
S = x.join(T)
if len(T) == 1 or c... | p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,056 |
s972883645 | p01811 | u509278866 | 1530004974 | Python | Python3 | py | Accepted | 80 | 24560 | 1,134 | import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(0,-1),(1,0),(0,1),(-1,0)]
ddn = [(0,-1),(1,-1),(1,0),(1,1),(0,1),(-1,-1),(-1,0),(-1,1)]
def LI(): return [int(x) for x in sys.stdin.... | p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,057 |
s373605917 | p01811 | u352394527 | 1530359615 | Python | Python3 | py | Accepted | 50 | 5568 | 276 | s = input()
end = "ABC"
while True:
if s == end:
print("Yes")
break
s = s.replace("ABC", "X")
if ("X" not in s) or ("A" in s) + ("B" in s) + ("C" in s) != 2:
print("No")
break
for c in "ABC":
if c not in s:
s = s.replace("X", c)
break
| p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,058 |
s343174356 | p01811 | u352394527 | 1530359787 | Python | Python3 | py | Accepted | 60 | 5580 | 261 | s = input()
end = "ABC"
while True:
if s == end:
print("Yes")
break
s = s.replace(end, "X")
if ("X" not in s) or sum((c in s for c in end)) != 2:
print("No")
break
for c in end:
if c not in s:
s = s.replace("X", c)
break
| p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,059 |
s632013434 | p01811 | u252700163 | 1532527390 | Python | Python3 | py | Accepted | 50 | 5564 | 276 | s = input()
end = "ABC"
while True:
if s == end:
print("Yes")
break
s = s.replace("ABC", "X")
if ("X" not in s) or ("A" in s) + ("B" in s) + ("C" in s) != 2:
print("No")
break
for c in "ABC":
if c not in s:
s = s.replace("X", c)
break
| p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,060 |
s882934294 | p01811 | u855199458 | 1530721949 | Python | Python3 | py | Accepted | 60 | 5964 | 311 | from collections import deque
S = input()
Q = deque([S])
while Q:
s = Q.pop()
if s == "ABC":
print("Yes")
break
s = s.replace("ABC", "x")
if not "x" in s:
continue
for y in "ABC":
if not y in s:
Q.append(s.replace("x", y))
else:
print("No")
| p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,061 |
s260096089 | p01811 | u281836941 | 1514873841 | Python | Python3 | py | Accepted | 50 | 5604 | 532 | # coding: utf-8
moto=input()
s=moto
gene='ABC'
f=True
log=[]
while len(s)>3 and f:
f=False
if s[:3]=='ABC':
s=s.replace('ABC','A')
log.append('A')
f=True
elif s[len(s)-3:]=='ABC':
s=s.replace('ABC','C')
log.append('C')
f=True
elif 'ABC' in s:
s=s.r... | p01811 |
<h2>ABC Gene</h2>
<p>文字列 <code>ABC</code> で表される遺伝子配列がある。あなたは次の操作を何回か行い、この遺伝子配列を書き換えていくことができる。</p>
<ul>
<li>文字 <code>A</code>，<code>B</code>，<code>C</code> のうち <var>1</var> つを選ぶ。これを <var>x</var> とおく。遺伝子配列に含まれるすべての <var>x</var> をそれぞれ <code>ABC</code> へ同時に置き換える。</li>
</ul>
<p><code>A</code>，<code>B</code>，<code>C</co... | ABC
| Yes
| 27,062 |
s622976493 | p01821 | u260980560 | 1584785138 | Python | Python3 | py | Accepted | 20 | 7260 | 1,024 | N = int(input())
def gcd(m, n):
while n:
m, n = n, m % n
return m
def lcm(m, n):
return m // gcd(m, n) * n
def carmichael(x):
r = 1
b = 0
while x & 1 == 0:
b += 1
x >>= 1
if b > 1:
r = 2 if b == 2 else 2**(b-2)
y = 3
while y*y <= x:
if x % y... | p01821 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>Problem D:
Identity Function... | 3
| 1
| 27,063 |
s356310067 | p01824 | u853158149 | 1560505395 | Python | Python3 | py | Accepted | 90 | 9596 | 4,091 | #!usr/bin/env python3
from collections import defaultdict
from collections import deque
from heapq import heappush, heappop
import sys
import math
import bisect
import random
def LI(): return list(map(int, sys.stdin.readline().split()))
def I(): return int(sys.stdin.readline())
def LS():return list(map(list, sys.stdin.... | p01824 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>Problem G:
Surface Area of Cu... | 2 2 2 1
0 0 0
| 24
| 27,064 |
s170789574 | p01828 | u467175809 | 1531747254 | Python | Python | py | Accepted | 10 | 5036 | 508 | #!/usr/bin/env python
import sys
import math
import itertools as it
from collections import deque
sys.setrecursionlimit(10000000)
S_ = raw_input()
T_ = raw_input() + " "
S1 = S2 = ''
for i in range(len(S_)):
if i % 2 == 0:
S1 += S_[i]
else:
S2 += S_[i]
for S in [S1, S2]:
T = T_
for ... | p01828 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>M and A</h2>
<p>
The CEO of th... | acmicpc
tsukuba
| No
| 27,065 |
s567918893 | p01828 | u078042885 | 1487531207 | Python | Python3 | py | Accepted | 20 | 7556 | 179 | def f(s,t):
j=0;i=0
while i<len(t) and j<len(s):
if t[i]==s[j]:j+=2
i+=1
return j>=len(s)
I=input
s=I()
t=I()
print(['No','Yes'][f(s,t) or f(s[1:],t)]) | p01828 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>M and A</h2>
<p>
The CEO of th... | acmicpc
tsukuba
| No
| 27,066 |
s488615573 | p01828 | u506554532 | 1514535668 | Python | Python3 | py | Accepted | 20 | 5568 | 265 | def judge(s):
if len(s) == 0: return True
si = 0
for t in T:
if t == s[si]:
si += 1
if si == len(s): return True
return False
S,T = input(),input()
N = len(S)
print('Yes' if judge(S[::2]) or judge(S[1::2]) else 'No') | p01828 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>M and A</h2>
<p>
The CEO of th... | acmicpc
tsukuba
| No
| 27,067 |
s906848745 | p01828 | u509278866 | 1528271770 | Python | Python3 | py | Accepted | 50 | 9024 | 1,086 | import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 998244353
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()]
def LF... | p01828 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>M and A</h2>
<p>
The CEO of th... | acmicpc
tsukuba
| No
| 27,068 |
s032283313 | p01828 | u853158149 | 1558690071 | Python | Python3 | py | Accepted | 40 | 8292 | 2,609 | #!usr/bin/env python3
from collections import defaultdict
from collections import deque
from heapq import heappush, heappop
import sys
import math
import bisect
import random
def LI(): return list(map(int, sys.stdin.readline().split()))
def I(): return int(sys.stdin.readline())
def LS():return list(map(list, sys.stdin.... | p01828 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>M and A</h2>
<p>
The CEO of th... | acmicpc
tsukuba
| No
| 27,069 |
s800662240 | p01830 | u260980560 | 1586433990 | Python | Python3 | py | Accepted | 20 | 5652 | 711 | import sys
readline = sys.stdin.readline
write = sys.stdout.write
def solve():
N = int(readline())
L = [0]*N; D = [0]*N
for i in range(N):
l, d = readline().split()
L[i] = +(l == 'y')
D[i] = int(d)
ans = 0
*I, = range(N)
I.sort(key = D.__getitem__)
U = [0]*N
for i... | p01830 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>Delete Files</h2>
<p>
You are... | 3
y 7
y 6
n 5
| 1
| 27,070 |
s847051004 | p01831 | u078042885 | 1486708215 | Python | Python3 | py | Accepted | 20 | 7836 | 67 | n=int(input())
s=input()
print(n-min(s.find('>'),n-s.rfind('<')-1)) | p01831 | <script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>Line Gimmick</h2>
<p>
You are ... | 7
>>
| 7
| 27,071 |
s243423424 | p01831 | u858560358 | 1509013757 | Python | Python | py | Accepted | 30 | 6532 | 222 | #!/usr/bin/python
import re
def main():
n = int(raw_input())
s = raw_input()
print n-min(map(lambda x: x.end()-x.start(), [re.search(r'^<*', s), re.search(r'>*$', s)]))
if __name__ == '__main__':
main() | p01831 | <script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>Line Gimmick</h2>
<p>
You are ... | 7
>>
| 7
| 27,072 |
s926484538 | p01831 | u858560358 | 1543832038 | Python | Python3 | py | Accepted | 40 | 6744 | 166 | import re
n = int(input())
s = input()
res = 10**10
res = min(res, len(re.search(r'^<*', s).group()))
res = min(res, len(re.search(r'>*$', s).group()))
print(n-res)
| p01831 | <script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type='text/javascript' src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
</script>
<h2>Line Gimmick</h2>
<p>
You are ... | 7
>>
| 7
| 27,073 |
s894127621 | p01839 | u046108504 | 1556011712 | Python | Python3 | py | Accepted | 20 | 5604 | 424 | def solve():
N = int(input())
S = [input() for _ in range(N)]
a_count = 1 if S[0] == "A" else -1
# if N == 1 and a_count == -1:
# return "NO"
for i in range(1, N):
if a_count >= 0:
a_count += 1 if S[i] == "A" else -1
else:
return "NO"
if a_count ==... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,074 |
s227666453 | p01839 | u685815919 | 1481250012 | Python | Python | py | Accepted | 10 | 6320 | 192 | n=int(raw_input())
c=0
isValid = True
for _ in xrange(n):
if raw_input()=="A": c+=1
else: c-=1
if c<0: isValid=False
if c!=0: isValid=False
if isValid: print "YES"
else: print "NO" | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,075 |
s480961335 | p01839 | u660912567 | 1481729903 | Python | Python3 | py | Accepted | 30 | 7636 | 163 | c = {'A': 0, 'Un': 0}
r = 'NO'
for _ in range(int(input())):
c[input()] += 1
if c['A']<c['Un']: break
else: r = 'YES' if c['A']==c['Un'] else 'NO'
print(r) | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,076 |
s404798098 | p01839 | u301729341 | 1481796189 | Python | Python3 | py | Accepted | 20 | 7628 | 277 | n = int(input())
A_cou = 0
Un_cou = 0
ans = "YES"
for i in range(n):
sen = input()
if sen == "A":
A_cou += 1
else:
Un_cou += 1
if A_cou < Un_cou:
ans = "NO"
break
if A_cou != Un_cou:
ans = "NO"
print(ans)
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,077 |
s844484749 | p01839 | u220324665 | 1481970316 | Python | Python3 | py | Accepted | 30 | 7656 | 106 | n=int(input());c=0
for i in range(n):
c+=1 if input()=='A'else -1
if c<0:break
print("NO"if c else"YES") | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,078 |
s616506025 | p01839 | u078042885 | 1482532273 | Python | Python3 | py | Accepted | 20 | 7680 | 252 | # -*- coding: utf-8 -*-
import sys
n=int(input())
a=0
for i in range(n):
say=input()
if(say=='A'):
a+=1
else:
a-=1
if(a<0):
print("NO")
sys.exit()
if a:
print("NO")
else:
print("YES") | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,079 |
s600915132 | p01839 | u260980560 | 1483859654 | Python | Python | py | Accepted | 10 | 6404 | 150 | n = input()
cnt = 0
while n:
s = raw_input()
cnt += 1-2*(s!='A')
if cnt<0:break
n-=1
else:
if cnt==0:print "YES";exit()
print "NO" | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,080 |
s004615616 | p01839 | u078042885 | 1485065087 | Python | Python3 | py | Accepted | 20 | 7680 | 104 | a=0
for _ in range(int(input())):
a+=[-1,1][input()=='A']
if a<0:break
print('NO'if a else'YES') | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,081 |
s839044820 | p01839 | u078042885 | 1486117559 | Python | Python3 | py | Accepted | 30 | 7688 | 104 | a=0
for _ in range(int(input())):
a+=[-1,1][input()=='A']
if a<0:break
print(['YES','NO'][a!=0]) | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,082 |
s509951131 | p01839 | u728992264 | 1490440642 | Python | Python3 | py | Accepted | 30 | 7676 | 191 | N = int(input())
a = 0
for i in range(N):
S = input()
if S == 'A':
a += 1
else :
a -= 1
if a < 0:
print('NO')
exit()
if a == 0:
print('YES')
else:
print('NO') | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,083 |
s411227929 | p01839 | u408260374 | 1492944554 | Python | Python3 | py | Accepted | 20 | 7668 | 158 | cnt = 0
for _ in range(int(input())):
cnt += [-1, 1][input() == "A"]
if cnt < 0:
print("NO")
quit()
print("YES" if cnt == 0 else "NO") | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,084 |
s956958484 | p01839 | u633333374 | 1503186732 | Python | Python | py | Accepted | 10 | 6452 | 336 | n = int(input())
lst = []
b = 0
for i in range(n):
s = str(raw_input())
lst.append(s)
if s == "Un":
if ("A" in lst) == True:
lst.remove("A")
lst.remove("Un")
else:
b = 1
if b != 0:
print "NO"
else:
if len(lst) != 0:
print "NO"
else:
... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,085 |
s282383448 | p01839 | u741801763 | 1506370599 | Python | Python3 | py | Accepted | 30 | 7728 | 357 | if __name__ == "__main__":
n = int(input())
data = []
for _ in range(n):data.append(input())
p =[]
state = True
for i in data:
if len(p) ==0 and i =='Un':state = False
elif len(p) !=0 and i == 'Un': p.pop()
if i =='A':p.append(1)
if len(p) !=0:state = False
if sta... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,086 |
s618324510 | p01839 | u506554532 | 1513050687 | Python | Python3 | py | Accepted | 20 | 5604 | 218 | N = int(input())
src = [input() for i in range(N)]
ans = a = 0
for s in src:
if s == 'A': a += 1
elif a > 0:
a -= 1
else:
print('NO')
break
else:
print('YES' if a == 0 else 'NO') | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,087 |
s927916478 | p01839 | u285015144 | 1518704309 | Python | Python3 | py | Accepted | 20 | 5592 | 301 | N = int(input())
cnt = 0
flag = True
for i in range(N):
S = input()
if(S == 'A'):
cnt += 1
elif(S == 'Un'):
cnt -= 1
if(cnt < 0):
flag = False
if(flag == False):
print('NO')
else:
if(cnt == 0):
print('YES')
else:
print('NO')
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,088 |
s464721629 | p01839 | u146816547 | 1524146977 | Python | Python | py | Accepted | 10 | 4640 | 272 | N = int(raw_input())
S = [raw_input() for _ in range(N)]
cnt = 0
flag = True
for i in S:
if i == "A":
cnt += 1
else:
cnt -= 1;
if cnt < 0:
flag = False
break
if cnt != 0:
flag = False
print "YES" if flag else "NO"
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,089 |
s361430858 | p01839 | u023471147 | 1526613899 | Python | Python3 | py | Accepted | 20 | 5604 | 284 | n = int(input())
talk = [input() for i in range(n)]
a = 0
judge = True
for s in talk:
if s == "A":
a += 1
else:
if a == 0:
judge = False
else:
a -= 1
if a > 0:
judge = False
if judge:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,090 |
s417179938 | p01839 | u724548524 | 1526668513 | Python | Python3 | py | Accepted | 20 | 5592 | 193 | a = 0
for _ in range(int(input())):
if input() == "A":a += 1
else:
a -= 1
if a < 0:
print("NO")
break
else:
print("YES" if a == 0 else "NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,091 |
s469681794 | p01839 | u509278866 | 1527842219 | Python | Python3 | py | Accepted | 60 | 9020 | 903 | import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()]
def LF()... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,092 |
s256100823 | p01839 | u614485948 | 1528968406 | Python | Python3 | py | Accepted | 20 | 5592 | 254 | N = int(input())
temp=0
dia_break=0
for _ in range(N):
x = input()
if x=="A":
temp += 1
elif x=='Un':
temp -= 1
if temp < 0:
dia_break = 1
if dia_break==0 and temp==0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,093 |
s636092641 | p01839 | u429835330 | 1528973480 | Python | Python3 | py | Accepted | 20 | 5596 | 347 | def finish():
print('NO')
exit()
N = int(input())
cnt = 0
vec = -1
for i in range(N):
w = input()
if w == 'A':
#if vec == -1 and cnt != 0:
# finish()
cnt += 1
vec = 1
else:
if cnt == 0:
finish()
cnt -= 1
vec = -1
if cnt != 0:
... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,094 |
s693602251 | p01839 | u531592024 | 1529945032 | Python | Python3 | py | Accepted | 20 | 5592 | 204 | ge = 0
be = False
for i in range(int(input())):
if input() == "A":
ge += 1
else:
ge -= 1
if ge < 0:
be = True
if be or ge != 0:
print("NO")
else:
print("YES")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,095 |
s188246031 | p01839 | u209989098 | 1529976022 | Python | Python3 | py | Accepted | 20 | 5592 | 226 | a = int(input())
aa = 0
un = 0
p = 0
for i in range(a):
k = input()
if k == 'A':
aa += 1
elif k == 'Un':
un += 1
if un > aa:
p = 1
if aa > un:
p = 1
if p == 0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,096 |
s746739114 | p01839 | u011621222 | 1530093258 | Python | Python3 | py | Accepted | 20 | 5592 | 188 | N = int(input())
A = 0
for i in range(N):
S = input()
if S == "A":
A += 1
if i == N-1 or 2*A < i:
print("NO")
exit()
if N%2 == 1 or 2*A != N:
print("NO")
else:
print("YES")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,097 |
s044606884 | p01839 | u352394527 | 1530095170 | Python | Python3 | py | Accepted | 20 | 5592 | 222 | n = int(input())
acc = 0
flag = False
for _ in range(n):
s = input()
if s == "A":
acc += 1
else:
acc -= 1
if acc < 0:
flag = True
if acc != 0:
flag = True
if flag:
print("NO")
else:
print("YES")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,098 |
s474316836 | p01839 | u136916346 | 1530146460 | Python | Python3 | py | Accepted | 20 | 5604 | 299 | l=[input() for _ in range(int(input()))]
s=[]
isno=False
for i in l:
if i=="A":
s.append(1)
else:
try:
_=s.pop()
except:
print("NO")
isno=True
break
if not isno and not s:print("YES")
elif not isno and s:print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,099 |
s457915653 | p01839 | u359849960 | 1591690932 | Python | Python3 | py | Accepted | 20 | 5600 | 594 | def AUN(x):
a = 0
un = 0
for i in range(len(x)):
if x[i] == 'A':
a += 1
else:
un += 1
if a >= un:
return True
def p(x):
a = 0
un = 0
for i in range(len(x)):
if x[i] == 'A':
a += 1
else:
un += 1
if a =... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,100 |
s722249958 | p01839 | u642694278 | 1589338489 | Python | Python3 | py | Accepted | 20 | 5592 | 181 | n = int(input())
d = 0
isOK = True
for i in range(n):
s = input()
if s == "A": d += 1
else: d -= 1
if d < 0: isOK = False
if d != 0: isOK = False
print("YES" if isOK else "NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,101 |
s657396217 | p01839 | u353888999 | 1586888257 | Python | Python3 | py | Accepted | 20 | 5604 | 238 | n = int(input())
s = [str(input()) for i in range(n)]
cnt = 0
for i in s:
if i == "A":
cnt += 1
else:
cnt -= 1
if cnt < 0:
print("NO")
exit()
if cnt != 0:
print("NO")
else:
print("YES")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,102 |
s291832008 | p01839 | u206124123 | 1586326429 | Python | Python3 | py | Accepted | 20 | 5600 | 895 | BEF_STR= "A"
AFT_STR = "Un"
def get_data():
data = input()
return data
def make_data_list(num):
data_list = [None] * num
for i in range(num):
data_list[i] = get_data()
return data_list
#A-Unでワンセットとなるかを確認する関数を作りたい
def check_STR1_to_STR2_correspondence(data_list):
count = 0
if len(d... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,103 |
s238293713 | p01839 | u153447291 | 1577964212 | Python | Python3 | py | Accepted | 20 | 5592 | 266 | a = 0
c = True
for i in range(int(input())):
b = input()
if b == "A":
a += 1
else:
a -= 1
if a == -1:
print("NO")
c = False
break
if c == True:
if a == 0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,104 |
s816529502 | p01839 | u829695570 | 1577797628 | Python | Python3 | py | Accepted | 20 | 5592 | 237 | n = int(input())
ans = 'YES'
if n%2 == 1:
ans = 'NO'
cnt = 0
for _ in range(n):
s = input()
if s == 'A':
cnt += 1
elif cnt == 0:
ans='NO'
else:
cnt -= 1
if cnt != 0:
ans = 'NO'
print(ans)
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,105 |
s231775917 | p01839 | u073204138 | 1574062453 | Python | Python3 | py | Accepted | 30 | 5592 | 184 | N= int(input())
count = 0
for i in range(N):
s = input()
if s == "A":
count += 1
if s == "Un":
count -= 1
if count < 0 :
break
if count ==0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,106 |
s467171103 | p01839 | u629590130 | 1562914991 | Python | Python3 | py | Accepted | 20 | 5592 | 200 | N = int(input())
a = 0
f = True
for _ in range(N):
s = input()
if s=="A":
a += 1
else:
if a==0:
f = False
else:
a -= 1
if f and a==0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,107 |
s240933678 | p01839 | u529214876 | 1562752941 | Python | Python3 | py | Accepted | 20 | 5604 | 272 | N = int(input())
S = [input() for _ in range(N)]
first = 0
second = 0
ans = "YES"
for s in S:
if s == "A":
first += 1
elif s == "Un":
second += 1
if first < second:
ans = "NO"
break
if first != second:
ans = "NO"
print(ans)
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,108 |
s662596277 | p01839 | u731941832 | 1562482151 | Python | Python3 | py | Accepted | 20 | 5592 | 196 | a=u=0
for _ in range(int(input())):
s=input()
if s=='A':
a+=1
else:
u+=1
if a<u:
print('NO')
exit()
if a==u:
print('YES')
else:
print('NO')
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,109 |
s363934188 | p01839 | u537067968 | 1561620590 | Python | Python3 | py | Accepted | 20 | 5600 | 452 | n = int(input())
talk = []
ans = "YES"
for i in range(n):
a = input()
if i == 0:
talk.append(a)
continue
if a == "A":
if len(talk) != 0 and talk[-1] == "Un":
ans = "NO"
talk.append(a)
else:
... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,110 |
s904621431 | p01839 | u489876484 | 1561529054 | Python | Python3 | py | Accepted | 20 | 5600 | 368 | def main():
n = int(input())
count = {"A":0, "Un":0}
for _ in range(n):
s = input()
count[s] += 1
if count["A"] < count["Un"]:
return False
if count["A"] == count["Un"]:
return True
else:
return False
if __name__ == '__main__':
if main():
... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,111 |
s523450787 | p01839 | u037441960 | 1561033342 | Python | Python3 | py | Accepted | 20 | 5596 | 311 | N = int(input())
S = list()
for i in range(N) :
s = input()
S.append(s)
while True :
if(len(S) == 0) :
print("YES")
break
elif("A" in S and "Un" in S) :
if(S.index("A") < S.index("Un")) :
del S[S.index("A")]
del S[S.index("Un")]
else :
print("NO")
break
else :
print("NO")
break
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,112 |
s563733454 | p01839 | u598814210 | 1561003412 | Python | Python3 | py | Accepted | 20 | 5592 | 238 | N = int(input())
total = 0
for n in range(N):
s = input()
if s == 'A':
total += 1
else:
total -= 1
if total < 0:
print("NO")
exit()
if total == 0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,113 |
s937387650 | p01839 | u328199937 | 1560584511 | Python | Python3 | py | Accepted | 20 | 5592 | 263 | N = int(input())
a = 0
un = 0
no = 0
for i in range(N):
s = input()
if s == "A":
a += 1
else:
un += 1
if un > a:
print("NO")
no = 1
break
if a != un and not no:
print("NO")
elif not no:
print("YES")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,114 |
s063186156 | p01839 | u340991036 | 1560326060 | Python | Python3 | py | Accepted | 20 | 5592 | 228 | n = int(input())
acnt = 0
ok = True
for _ in range(n):
if input() == 'A':
acnt += 1
else:
acnt -= 1
if acnt < 0:
ok = False
if acnt != 0:
ok = False
print("YES" if ok else "NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,115 |
s472035409 | p01839 | u245823788 | 1560326042 | Python | Python3 | py | Accepted | 20 | 5604 | 201 | n = int(input())
s = [input() for i in range(n)]
cnt = 0
for e in s:
if e=="A":
cnt += 1
else:
cnt -= 1
if cnt<0:
print("NO")
exit()
if cnt==0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,116 |
s930490608 | p01839 | u853158149 | 1558683440 | Python | Python3 | py | Accepted | 40 | 8236 | 1,341 | #!usr/bin/env python3
from collections import defaultdict
from collections import deque
from heapq import heappush, heappop
import sys
import math
import bisect
import random
def LI(): return list(map(int, sys.stdin.readline().split()))
def I(): return int(sys.stdin.readline())
def LS():return list(map(list, sys.stdin.... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,117 |
s098007072 | p01839 | u990228206 | 1553069926 | Python | Python3 | py | Accepted | 20 | 5592 | 226 | n=int(input())
A_c=0
Un_c=0
flag=0
for i in range(n):
s=input()
if s=="A":
A_c+=1
elif s=="Un":
Un_c+=1
if A_c<Un_c:flag=1
if A_c!=Un_c:flag=1
if flag==0:
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,118 |
s855343558 | p01839 | u717526540 | 1545019101 | Python | Python3 | py | Accepted | 20 | 5596 | 353 | n = int(input())
remarks = []
for _ in range(n):
remarks.append(input())
a = 0
flag = True
for remark in remarks:
if remark == "A":
a += 1
else:
if a == 0:
flag = False
break
else:
a -= 1
else:
if a != 0:
flag = False
if flag:
pr... | p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,119 |
s456610377 | p01839 | u539753516 | 1534116377 | Python | Python3 | py | Accepted | 20 | 5592 | 158 | c=0
for _ in range(int(input())):
c+=2*(input()=="A")-1
if c<0:
print("NO")
break
if c==0:
print("YES")
elif c>0:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,120 |
s207525061 | p01839 | u454636644 | 1528970823 | Python | Python3 | py | Accepted | 20 | 5596 | 251 | n = int(input())
s_list = []
for ii in range(n):
ss = input()
s_list.append(ss)
c=0
for s in s_list:
if(s=="A"):
c+=1
else:
c-=1
if(c<0):
break
if(c==0):
print("YES")
else:
print("NO")
| p01839 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>A - 阿吽の呼吸</h2>
<h3>Problem Statement</h3>
<p... | 4
A
Un
A
Un
| YES
| 27,121 |
s733499487 | p01840 | u078042885 | 1483496416 | Python | Python3 | py | Accepted | 20 | 7748 | 208 | n,m,t=map(int,input().split())
d=0
a=[int(i) for i in input().split()]
b=a[0]-m
c=a[0]+m
for i in range(1,n):
if a[i]>c+m:
d+=c-b
b=a[i]-m
c=a[i]+m
if c<t:d+=c-b
else:d+=t-b
print(t-d) | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,122 |
s314916309 | p01840 | u408260374 | 1492946118 | Python | Python3 | py | Accepted | 30 | 7732 | 172 | N, M, T = map(int, input().split())
A = [int(x) for x in input().split()]
print(A[0] - M + max(T - A[-1] - M, 0) + sum(max(0, A[i+1] - A[i] - 2 * M) for i in range(N - 1))) | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,123 |
s068077998 | p01840 | u283315132 | 1499764381 | Python | Python3 | py | Accepted | 20 | 7708 | 265 | N, M, T = list(map(int, input().split()))
a = list(map(int, input().split()))
b = [a[0]]
for i in range(1, N):
b.append(a[i] - a[i-1])
b.append(T-a[N-1])
ans = 0
ans += b[0] - M
for i in range(1, N):
ans += max(0, b[i]-2*M)
ans += max(0, b[N]-M)
print(ans) | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,124 |
s824751049 | p01840 | u260980560 | 1501395602 | Python | Python3 | py | Accepted | 30 | 7680 | 225 | n, m, t = map(int, input().split())
B = [0]*t
*A, = map(int, input().split())
for a in A:
B[a-m] += 1
if a+m < t:
B[a+m] -= 1
cnt = ans = 0
for b in B:
cnt += b
if cnt == 0:
ans += 1
print(ans) | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,125 |
s780664543 | p01840 | u506554532 | 1513511469 | Python | Python3 | py | Accepted | 20 | 5596 | 226 | N,M,T = map(int,input().split())
src = list(map(int,input().split()))
back_time = ans = 0
for t in src:
if t - M > back_time:
ans += (t - M - back_time)
back_time = t + M
ans += max(0, T - back_time)
print(ans) | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,126 |
s646213759 | p01840 | u285015144 | 1518704873 | Python | Python3 | py | Accepted | 30 | 5596 | 258 | N, M, T = map(int, input().split())
a = list(map(int, input().split()))
current = 0
ans = 0
ans += max(a[0] - M, 0)
current = a[0]
for i in range(1, N):
ans += max(a[i] - a[i - 1] - 2 * M, 0)
current = a[i]
ans += max(T - a[N - 1] - M, 0)
print(ans)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,127 |
s196904030 | p01840 | u724548524 | 1526669816 | Python | Python3 | py | Accepted | 20 | 5596 | 279 | n, m, t = map(int, input().split())
a = list(map(int, input().split()))
s = t
for i in range(n):
if i == 0:
s -= m
elif a[i] - a[i - 1] >= 2 * m:
s -= 2 * m
else:
s -= a[i] - a[i - 1]
if i == n - 1:
s -= min(t - a[-1], m)
print(s)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,128 |
s675525081 | p01840 | u023471147 | 1527161226 | Python | Python3 | py | Accepted | 20 | 5600 | 215 | n, m, t = map(int, input().split())
a = list(map(int, input().split()))
a = [-m] + a + [t + m]
ans = 0
for i in range(len(a) - 1):
if a[i + 1] - a[i] > m * 2:
ans += a[i + 1] - a[i] - m * 2
print(ans)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,129 |
s138711817 | p01840 | u509278866 | 1528106954 | Python | Python3 | py | Accepted | 60 | 9100 | 1,197 | import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 998244353
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()]
def LF... | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,130 |
s117026621 | p01840 | u614485948 | 1528970540 | Python | Python3 | py | Accepted | 20 | 5604 | 396 | l_raw = input().split()
l = [int(n) for n in l_raw]
a_raw = input().split()
a_ = [int(n) for n in a_raw]
study = 0
state = 0
now=0
for a in a_:
if state==0:
if l[1]<a-now:
study+=a-now-l[1]
now=a
state=1
elif state==1:
if 2*l[1]<a-now:
study+=a-now-2*l[1... | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,131 |
s125232191 | p01840 | u001668877 | 1528972176 | Python | Python3 | py | Accepted | 20 | 5716 | 240 | n, m, t = map(int, input().split())
a = list(map(int, input().split()))
ts = [0 for i in range(t)]
for i in a:
ts[max(i - m, 0)] = 2 * m
temp = 0
count = 0
for i in range(1, t):
ts[i] = max(ts[i - 1] - 1, ts[i])
print(ts.count(0))
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,132 |
s607391051 | p01840 | u429835330 | 1528972786 | Python | Python3 | py | Accepted | 20 | 5596 | 281 | N, M, T = map(int, input().split())
A = list(map(int, input().split()))
prv = 0
cnt = 0
for a in A:
if prv == 0:
cnt += a - M
else:
if prv + M < a - M:
cnt += (a - M) - (prv + M)
prv = a
if prv + M < T:
cnt += T - (prv + M)
print(cnt)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,133 |
s694491138 | p01840 | u314932236 | 1529807440 | Python | Python3 | py | Accepted | 20 | 5608 | 366 | import sys
sys.setrecursionlimit(10**6)
def main():
n, m, t = map(int, input().split())
diff_sum = 0
mini_diff = 0
a = [-1*m] + [i for i in map(int, input().split())]
for i in range(n):
diff = (2 * m) - (a[i+1] - a[i])
if diff > 0:
diff_sum += diff
if t-m < a[n]:
mini_diff = a[n] + m - t
print( t - (2*... | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,134 |
s937133108 | p01840 | u531592024 | 1529944436 | Python | Python3 | py | Accepted | 20 | 5596 | 247 | (n, m, t) = tuple(map(int, input().split()))
arr = list(map(int, input().split()))
backed = 0
res = 0
for e in arr:
if e - m > backed:
res += e - m - backed
backed = e + m
if arr[-1] + m < t:
res += t - arr[-1] - m
print(res)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,135 |
s272267912 | p01840 | u136916346 | 1530533350 | Python | Python3 | py | Accepted | 20 | 5596 | 229 | N,M,T=map(int,input().split())
l=list(map(int,input().split()))
t=0
for (i,j) in enumerate(l):
if not i:
t+=(l[i]-M)
elif (l[i]-l[i-1])>2*M:
t+=(l[i]-l[i-1])-2*M
if T-l[-1]>M:
t+=(T-l[-1])-M
print(t)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,136 |
s422125928 | p01840 | u836923362 | 1596112699 | Python | Python3 | py | Accepted | 20 | 5736 | 325 | #21:25
n,m,t = map(int,input().split())
arrive_time = list(map(int,input().split()))
#
list_time = [0]*(t+m+1)
for i in arrive_time:
# out of bounsの場合どうしよう
list_time[i-m] += 1
list_time[i+m] -= 1
for i in range(1,t):
list_time[i] += list_time[i-1]
print(sum(x==0 for x in list_time[:t]))
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,137 |
s671470924 | p01840 | u073204138 | 1574307400 | Python | Python3 | py | Accepted | 20 | 5604 | 217 |
N, M, T = map(int, input().split())
a = list(int(i) for i in input().split())
count = 0
count += max(a[0] - M,0)
for i in range(1,N):
count += max(a[i] - a[i-1] -2*M, 0)
count += max(T - a[N-1] - M,0)
print(count)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,138 |
s113353808 | p01840 | u537067968 | 1562506247 | Python | Python3 | py | Accepted | 20 | 5596 | 258 | n,m,t = map(int,input().split())
a = list(map(int,input().split()))
ans = a[0] - m
for i,aa in enumerate(a):
if i != 0 and (aa - a[i-1]) >= 2*m:
ans += (aa - a[i-1] - 2*m )
if i == len(a)-1 and (t - aa) >= m:
ans += (t - aa - m)
continue
print(ans)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,139 |
s834841464 | p01840 | u931913851 | 1562386577 | Python | Python3 | py | Accepted | 20 | 5600 | 435 | "豪邸と宅配便"
N, M, T = map(int, input().split()) # 荷物の個数N, 片道の時間M, 終了時刻T
A = list(map(int, input().split()))
arraival_span = [A[0]]
for i in range(1, N):
arraival_span.append(A[i] - A[i-1])
# print(arraival_span)
# 最後にT - A[-1]を加える
ans = arraival_span[0] - M
for i in range(1, len(arraival_span)):
ans += max(arr... | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,140 |
s478207197 | p01840 | u990228206 | 1553070437 | Python | Python3 | py | Accepted | 20 | 5596 | 196 | n,m,t=map(int,input().split())
a=list(map(int,input().split()))
a.insert(0,-m)
ans=0
for i in range(n):
if a[i]+2*m<a[i+1]:
ans+=a[i+1]-a[i]-2*m
if a[-1]+m<t:ans+=t-a[-1]-m
print(ans)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,141 |
s198030955 | p01840 | u454636644 | 1528971332 | Python | Python3 | py | Accepted | 20 | 5596 | 256 | n, m, t = map(int, input().split())
a_list = list(map(int, input().split()))
ans = 0
ans += max(0, a_list[0] - m)
before = a_list[0]
for i in range(1, n):
ans += max(0, a_list[i]-before-m*2)
before = a_list[i]
ans += max(0, t-before-m)
print(ans)
| p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,142 |
s147456860 | p01840 | u281836941 | 1514711044 | Python | Python3 | py | Accepted | 20 | 5812 | 439 | # coding: utf-8
n,m,t=map(int,input().split())
a=list(map(int,input().split()))
d=[0]
for time in a:
f=False
if d[-1]<time-m:
d.append(max(time-m,0))
else:
f=True
if f:
d[-1]=max(d[-1],time+m)
else:
d.append(min(time+m,t))
del d[0]
data=[False for i in range(t)]
i=0
w... | p01840 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>B - 豪邸と宅配便</h2>
<h3>Problem Statement</h3>
<... | 1 1 5
3
| 3
| 27,143 |
s246173223 | p01841 | u509278866 | 1531293729 | Python | Python3 | py | Accepted | 90 | 9264 | 2,009 | import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)]
def LI(): return [int(x) for x in sys.stdin.... | p01841 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>C - みさわさんの根付き木</h2>
<h3>Problem Statement</h3... | ((()[8]())[2]())[5](((()[2]())[6](()[3]()))[1]())
(()[4]())[3](((()[2]())[1]())[8](()[3]()))
| (()[6]())[8](((()[4]())[7]())[9]())
| 27,144 |
s104522308 | p01841 | u467175809 | 1531405479 | Python | Python | py | Accepted | 10 | 5384 | 1,085 | #!/usr/bin/env python
import sys
import math
import itertools as it
from collections import deque
sys.setrecursionlimit(10000000)
def make_tree(pos, id, S, V, E):
if S[pos] == ')':
V[id] = -1
return pos + 1, id + 1
par = id
id += 1
E[par][0] = id
pos, id = make_tree(pos + 1, id, S... | p01841 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>C - みさわさんの根付き木</h2>
<h3>Problem Statement</h3... | ((()[8]())[2]())[5](((()[2]())[6](()[3]()))[1]())
(()[4]())[3](((()[2]())[1]())[8](()[3]()))
| (()[6]())[8](((()[4]())[7]())[9]())
| 27,145 |
s110664734 | p01841 | u408260374 | 1493648582 | Python | Python3 | py | Accepted | 40 | 7752 | 894 | def parse_node(l, r, S):
left, right = 0, 0
cnt = 0
for i in range(l, r + 1):
if S[i] == '(':
cnt += 1
elif S[i] == ')':
cnt -= 1
elif cnt == 0 and S[i] == "[":
left = i
elif cnt == 0 and S[i] == "]":
right = i
return left, ... | p01841 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>C - みさわさんの根付き木</h2>
<h3>Problem Statement</h3... | ((()[8]())[2]())[5](((()[2]())[6](()[3]()))[1]())
(()[4]())[3](((()[2]())[1]())[8](()[3]()))
| (()[6]())[8](((()[4]())[7]())[9]())
| 27,146 |
s112573259 | p01841 | u260980560 | 1501397346 | Python | Python3 | py | Accepted | 30 | 7804 | 602 | def convert(S):
cur = 0
def parse():
nonlocal cur
if S[cur] == ')':
return ()
cur += 1 # '('
left = parse()
cur += 2 # ')['
num = 0
while S[cur] != ']':
num = 10*num + int(S[cur])
cur += 1
cur += 2 # ']('
... | p01841 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<h2>C - みさわさんの根付き木</h2>
<h3>Problem Statement</h3... | ((()[8]())[2]())[5](((()[2]())[6](()[3]()))[1]())
(()[4]())[3](((()[2]())[1]())[8](()[3]()))
| (()[6]())[8](((()[4]())[7]())[9]())
| 27,147 |
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