Submission #69756319

Source Code Expand

"""
<方針>
- 数式（`((-1)**i) * (i**3)`）を立式すればいけそう。
- あとは `for` 文を回すだけ。
"""
# 入力
N = int(input())

# 総計
ans = 0

# 1~Nでループ
for i in range(1, N+1):
  # 総計に加える
  ans += ((-1)**i) * (i**3)

# 出力
print(ans)

Submission Info

Submission Time
Task A - Sigma Cubes
User mattsunkun
Language Python (PyPy 3.10-v7.3.12)
Score 100
Code Size 300 Byte
Status AC
Exec Time 55 ms
Memory 76676 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 3
AC × 10
Set Name Test Cases
Sample 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt
All 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 01_random_00.txt, 01_random_01.txt, 01_random_02.txt, 01_random_03.txt, 01_random_04.txt, 01_random_05.txt, 01_random_06.txt
Case Name Status Exec Time Memory
00_sample_00.txt AC 55 ms 76624 KiB
00_sample_01.txt AC 55 ms 76628 KiB
00_sample_02.txt AC 55 ms 76448 KiB
01_random_00.txt AC 55 ms 76676 KiB
01_random_01.txt AC 55 ms 76460 KiB
01_random_02.txt AC 55 ms 76268 KiB
01_random_03.txt AC 55 ms 76612 KiB
01_random_04.txt AC 55 ms 76316 KiB
01_random_05.txt AC 55 ms 76484 KiB
01_random_06.txt AC 55 ms 76332 KiB