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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s435176112 | p04029 | u567434159 | 1562898681 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | 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
| 1,203,281 |
s536831986 | p04029 | u675073679 | 1562874887 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 67 | N = int(input())
n = 0
for i in range(1,N+1):
n += i
print(n) | 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
| 1,203,282 |
s257187911 | p04029 | u675073679 | 1562795319 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 69 | N = int(input())
n = 0
for i in range(1,N+1,1):
n += i
print(n) | 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
| 1,203,283 |
s144356427 | p04029 | u537782349 | 1562684448 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 41 | a = int(input())
print((1 + a) * a // 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
| 1,203,284 |
s758345743 | p04029 | u256901785 | 1562621687 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 45 | n = int(input())
n = n*(n+1)/2
print(int(n))
| 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
| 1,203,285 |
s068236766 | p04029 | u105124953 | 1562544546 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 78 | n = int(input())
sum = 0
for i in range(1,n+1,1):
sum = 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
| 1,203,286 |
s617881015 | p04029 | u668503853 | 1562389698 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 62 | n=int(input())
ans=0
for i in range(n+1):
ans+=i
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
| 1,203,287 |
s227839664 | p04029 | u687044304 | 1562331981 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 134 | # -*- coding:utf-8 -*-
def solve():
N = int(input())
ans = (N+1)*N//2
print(ans)
if __name__ == "__main__":
solve()
| 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
| 1,203,288 |
s219733035 | p04029 | u374802266 | 1562294963 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 37 | n=int(input())
print(int((n**2+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
| 1,203,289 |
s120463376 | p04029 | u888512581 | 1562269251 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 76 | n = int(input())
candy = 0
for x in range(0, n+1):
candy += x
print(candy) | 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
| 1,203,290 |
s259115998 | p04029 | u772588522 | 1562246203 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | n = int(input())
print(n * (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
| 1,203,291 |
s507276528 | p04029 | u226873514 | 1562178696 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 76 | n = int(input())
ans = 0
for i in range(1, n + 1):
ans += i
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
| 1,203,292 |
s015072646 | p04029 | u093500767 | 1562124573 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 42 | n = int(input())
print(int((n+1)*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
| 1,203,293 |
s319082654 | p04029 | u473291366 | 1562124143 | Python | Python (3.4.3) | py | Accepted | 19 | 3060 | 73 | N = int(input())
ans = 0;
for i in range(1, N+1):
ans += i
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
| 1,203,294 |
s264036276 | p04029 | u314050667 | 1562123065 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 42 | n = int(input())
print(int((1+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
| 1,203,295 |
s269149278 | p04029 | u927534107 | 1562095108 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 34 | 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
| 1,203,296 |
s845355504 | p04029 | u537976628 | 1562018935 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 75 | N =int(input())
candy = 0
for i in range(N+1):
candy += i
print(candy)
| 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
| 1,203,297 |
s012544369 | p04029 | u375823148 | 1562005764 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 35 | 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
| 1,203,298 |
s217796507 | p04029 | u288948615 | 1561943654 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 42 | 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
| 1,203,299 |
s815971834 | p04029 | u672475305 | 1561902580 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 72 | n = int(input())
if n == 1:
print(n)
else:
print(int((1+n)*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
| 1,203,300 |
s748223489 | p04029 | u970449052 | 1561838773 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 65 | n=int(input())
ans=0
for i in range(1,n+1):
ans+=i
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
| 1,203,301 |
s492385081 | p04029 | u759412327 | 1561772542 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | a = int(input())
print(int(0.5*a*(a+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
| 1,203,302 |
s230391203 | p04029 | u293523199 | 1561700548 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 78 | N = int(input())
candy = 0
for i in range(1, N+1):
candy += i
print(candy) | 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
| 1,203,303 |
s580792004 | p04029 | u243699903 | 1561688844 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 36 | 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
| 1,203,304 |
s997326564 | p04029 | u430223993 | 1561635338 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 60 | n = int(input())
s = sum([i for i in range(1,n+1)])
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
| 1,203,305 |
s964069643 | p04029 | u013594089 | 1561513948 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 34 | 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
| 1,203,306 |
s075703199 | p04029 | u296150111 | 1561512892 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | n=int(input())
d=n*(n+1)/2
print(int(d)) | 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
| 1,203,307 |
s767166008 | p04029 | u714300041 | 1561483895 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 64 | N = int(input())
S = 0
for i in range(1, N+1):
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
| 1,203,308 |
s008261341 | p04029 | u790812284 | 1561446089 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 37 | n= int(input())
print(int((1+n)*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
| 1,203,309 |
s836430007 | p04029 | u933341648 | 1561397205 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 34 | 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
| 1,203,310 |
s655183061 | p04029 | u290211456 | 1561362541 | Python | Python (3.4.3) | py | Accepted | 19 | 2940 | 38 | n = int(input())
print(int(n*(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
| 1,203,311 |
s173458262 | p04029 | u471212175 | 1561355603 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | N = int(input())
print(int(1/2*N*(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
| 1,203,312 |
s046604905 | p04029 | u682730715 | 1561324486 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 63 | n = int(input())
s = 0
for i in range(n):
s += i + 1
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
| 1,203,313 |
s519510672 | p04029 | u827141374 | 1561321918 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 34 | 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
| 1,203,314 |
s742368906 | p04029 | u298297089 | 1561281853 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 34 | 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
| 1,203,315 |
s593750138 | p04029 | u450339194 | 1561280836 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 152 | nl = lambda: list(map(int, input().split()))
sl = lambda: input().split()
n = lambda: int(input())
s = lambda: input()
N = n()
print((N + 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
| 1,203,316 |
s555872478 | p04029 | u580904613 | 1561251012 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 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
| 1,203,317 |
s858270387 | p04029 | u323120917 | 1561247356 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 34 | 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
| 1,203,318 |
s504938585 | p04029 | u059210959 | 1561168827 | Python | Python (3.4.3) | py | Accepted | 49 | 6160 | 717 | # encoding:utf-8
import copy
import random
import bisect #bisect_left これで二部探索の大小検索が行える
import fractions #最小公倍数などはこっち
import math
import sys
mod = 10**9+7
sys.setrecursionlimit(mod) # 再帰回数上限はでdefault1000
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(): return [list(map(int, l.split())) for l in... | 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
| 1,203,319 |
s866528379 | p04029 | u377989038 | 1561162088 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 41 | n = int(input())
print((n + 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
| 1,203,320 |
s463651541 | p04029 | u494927057 | 1561094902 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 76 | N = int(input())
ans = 0
for i in range(1, N + 1):
ans += i
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
| 1,203,321 |
s638251025 | p04029 | u993587645 | 1561086475 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 63 | n = int(input())
s = 0
for i in range(n):
s += i + 1
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
| 1,203,322 |
s836480948 | p04029 | u993587645 | 1561084596 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 63 | n = int(input())
s = 0
for i in range(n):
s += i + 1
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
| 1,203,323 |
s203259271 | p04029 | u116670634 | 1561082882 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 32 | 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
| 1,203,324 |
s317225789 | p04029 | u223646582 | 1561051291 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 36 | N=int(input())
print(int((1+N)*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
| 1,203,325 |
s072668046 | p04029 | u998082063 | 1560996770 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 37 | x = int(input())
print(x*(x + 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
| 1,203,326 |
s963861032 | p04029 | u244419600 | 1560977563 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 72 | all = int(input())
a = 0
for i in range(1, all + 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
| 1,203,327 |
s171908999 | p04029 | u497046426 | 1560837596 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 38 | 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
| 1,203,328 |
s452341332 | p04029 | u606045429 | 1560837180 | Python | Python (3.4.3) | py | Accepted | 21 | 3316 | 40 | 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
| 1,203,329 |
s836113929 | p04029 | u691018832 | 1560830866 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 111 | import sys
input = sys.stdin.readline
n = int(input())
sum = 0
for i in range(1, n+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
| 1,203,330 |
s233967575 | p04029 | u648452607 | 1560799924 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 36 | n=int(input())
print(int((1+n)*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
| 1,203,331 |
s406310116 | p04029 | u921194336 | 1560789847 | Python | Python (3.4.3) | py | Accepted | 24 | 2940 | 82 | n = int(input())
result = 0
for i in range(1, n+1):
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
| 1,203,332 |
s075760962 | p04029 | u671455949 | 1560653294 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 40 | 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
| 1,203,333 |
s601335475 | p04029 | u245870380 | 1560631083 | Python | Python (3.4.3) | py | Accepted | 19 | 3060 | 71 | N = int(input())
ans = 0
for i in range(1,N+1):
ans += i
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
| 1,203,334 |
s387242178 | p04029 | u619785253 | 1560530879 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 72 | N = int(input())
can =0
for i in range(1,N+1):
can+=i
print(can) | 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
| 1,203,335 |
s522162946 | p04029 | u266171694 | 1560445208 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 76 | n = int(input())
ans = 0
for i in range(1, n + 1):
ans += i
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
| 1,203,336 |
s269409550 | p04029 | u560988566 | 1560389169 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 69 | n = int(input())
ans = 0
for i in range(n):
ans += (i+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
| 1,203,337 |
s548750988 | p04029 | u114648678 | 1560335545 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 36 | n=int(input())
print(int((1+n)*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
| 1,203,338 |
s496884656 | p04029 | u474423089 | 1560307866 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 108 | def main():
n = int(input())
ans = (1+n)*n/2
print(int(ans))
if __name__=='__main__':
main() | 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
| 1,203,339 |
s353105923 | p04029 | u970308980 | 1560303089 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 72 | def abc():
x = int(input())
print(sum(range(1, x + 1)))
abc()
| 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
| 1,203,340 |
s542717963 | p04029 | u371409687 | 1560198076 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 72 | Sum = 0
x=int(input())+1
for i in range(x):
Sum = 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
| 1,203,341 |
s595500556 | p04029 | u483896240 | 1560049345 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 98 | # -*- coding: utf-8 -*-
n = int(input())
ans = 0
for i in range(1, n+1):
ans += i
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
| 1,203,342 |
s283189053 | p04029 | u150386598 | 1560037036 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 101 | n = int(input())
sum = 0
i = 1
for i in range(n + 1):
sum = sum + i
#print(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
| 1,203,343 |
s404090490 | p04029 | u203501420 | 1560025901 | Python | Python (2.7.6) | py | Accepted | 10 | 2568 | 78 | n = input()
a = 0
b = 0
for i in range(n):
b = b + 1
a = a + b
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
| 1,203,344 |
s362578546 | p04029 | u400620139 | 1560012980 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 73 | n = int(input())
sum = 0
for i in range(1, n+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
| 1,203,345 |
s725093316 | p04029 | u924308178 | 1560000991 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 41 | N = int(input())
print(int(((1+N)/2)*N))
| 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
| 1,203,346 |
s493331734 | p04029 | u043236471 | 1559991513 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 34 | 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
| 1,203,347 |
s703007857 | p04029 | u881100099 | 1559972380 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 60 | N=int(input())
i=0
for k in range(1,N+1):
i=i+k
print(i) | 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
| 1,203,348 |
s554878499 | p04029 | u410118019 | 1559935181 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 32 | n=int(input())
print((n+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
| 1,203,349 |
s542181773 | p04029 | u015316911 | 1559923578 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 111 | childrenNum = int(input())
candySum = 0
for i in range(1, childrenNum + 1):
candySum += i
print(candySum) | 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
| 1,203,350 |
s976804415 | p04029 | u997530672 | 1559872092 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 67 | n = int(input())
ans = 0
for i in range(n):
ans += i+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
| 1,203,351 |
s968374929 | p04029 | u696048490 | 1559865106 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 79 | N = input()
sum = 0
for i in range(1,int(N) + 1):
sum = 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
| 1,203,352 |
s057468271 | p04029 | u365364616 | 1559850295 | Python | Python (3.4.3) | py | Accepted | 18 | 2940 | 41 | 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
| 1,203,353 |
s824149270 | p04029 | u476562059 | 1559767369 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 69 | a = int(input())
ans = 0
for x in range(a+1):
ans += x
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
| 1,203,354 |
s733300424 | p04029 | u559126797 | 1559760765 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 32 | a=int(input())
print((1+a)*a//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
| 1,203,355 |
s065909993 | p04029 | u136811344 | 1559755453 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 38 | N = int(input())
print(int((1+N)*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
| 1,203,356 |
s081640585 | p04029 | u353652911 | 1559702958 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 37 | n=int(input())
print(int((1+n)*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
| 1,203,357 |
s477336477 | p04029 | u937642029 | 1559695200 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 33 | 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
| 1,203,358 |
s139342345 | p04029 | u637918426 | 1559685869 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 86 | child = int(input())
candy = 0
for i in range(child):
candy += i+1
print(candy) | 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
| 1,203,359 |
s516924948 | p04029 | u399721252 | 1559669327 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 36 | 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
| 1,203,360 |
s687479976 | p04029 | u442068463 | 1559616172 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | a=int(input())
s=a*(a+1)/2
print(int(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
| 1,203,361 |
s504842311 | p04029 | u374531474 | 1559615824 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 41 | 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
| 1,203,362 |
s855121985 | p04029 | u623687794 | 1559585299 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 34 | i=int(input())
print((i*(i+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
| 1,203,363 |
s131440406 | p04029 | u539675863 | 1559561031 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 78 | N = int(input())
answer = 0
for i in range(N+1):
answer += i
print(answer) | 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
| 1,203,364 |
s780226375 | p04029 | u164957173 | 1559435375 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 76 | N = int(input())
answer = 0
for i in range(N+1):
answer += i
print(answer) | 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
| 1,203,365 |
s657890431 | p04029 | u816919571 | 1559309036 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 39 | 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
| 1,203,366 |
s809261801 | p04029 | u844005364 | 1559255899 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 39 | 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
| 1,203,367 |
s896065081 | p04029 | u414558682 | 1559188036 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 138 | a = int(input())
result = 0
for i in range(a):
# print(result, end='\n')
# print(i)
result = result + (i + 1)
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
| 1,203,368 |
s668270747 | p04029 | u194894739 | 1559187477 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 35 | 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
| 1,203,369 |
s861075422 | p04029 | u095089755 | 1559177277 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | 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
| 1,203,370 |
s520993692 | p04029 | u117579775 | 1559157874 | Python | Python (2.7.6) | py | Accepted | 10 | 2568 | 32 | a = 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
| 1,203,371 |
s157879342 | p04029 | u449473917 | 1559132879 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 61 | a=int(input())
ans=0
for i in range(a+1):
ans+=i
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
| 1,203,372 |
s989846819 | p04029 | u416758623 | 1559044631 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 69 | n = int(input())
ans = 0
for i in range(1,n+1):
ans+=i
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
| 1,203,373 |
s597322586 | p04029 | u495863042 | 1558980172 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 56 | n=int(input())
i=0
for m in range(n+1):
i=i+m
print(i)
| 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
| 1,203,374 |
s121047303 | p04029 | u495863042 | 1558971760 | Python | Python (3.4.3) | py | Accepted | 19 | 3060 | 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
| 1,203,375 |
s456578527 | p04029 | u856169020 | 1558960960 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 67 | N = int(input())
ans = 0
for i in range(N):
ans += i+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
| 1,203,376 |
s917088401 | p04029 | u501163846 | 1558932342 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 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
| 1,203,377 |
s471060926 | p04029 | u037221289 | 1558928345 | Python | Python (3.4.3) | py | Accepted | 17 | 3064 | 38 | N = int(input())
print(int((N+1)/2*N)) | 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
| 1,203,378 |
s970997074 | p04029 | u723180465 | 1558902069 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 40 | 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
| 1,203,379 |
s983707233 | p04029 | u765815947 | 1558899861 | Python | Python (3.4.3) | py | Accepted | 17 | 2940 | 44 | 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
| 1,203,380 |
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