#D. Staircase Sequences

    Type: Default 1000ms 256MiB

Staircase Sequences

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[ABC190D] Staircase Sequences

题面翻译

给定一个整数 NN,求出有多少个由整数组成的、公差为 11 的等差数列各项之和为 NN

输入格式

输入只有一个整数NN

N N

输出格式

一个整数表示答案。

样例 #1

样例输入 #1

12

样例输出 #1

4

样例 #2

样例输入 #2

1

样例输出 #2

2

样例 #3

样例输入 #3

963761198400

样例输出 #3

1920

提示

数据范围

  • 1 < = N < = 1012 1\ <\ =\ N\ <\ =\ 10^{12}

20231212集训

Not Attended
Status
Done
Rule
IOI
Problem
6
Start at
2023-12-12 19:00
End at
2023-12-12 21:30
Duration
2.5 hour(s)
Host
Partic.
16