CSES1633 - Dice Combinations
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SUBMIT SOLUTION
ID:
cses_dp_1633
Điểm:
1,00 (OI)
Giới hạn thời gian:
1.0s
Giới hạn bộ nhớ:
256M
Input:
stdin
Output:
stdout
Người đăng:
Nguồn bài:
Dạng bài
Ngôn ngữ cho phép
C, C++, Java, Kotlin, Output Only, Pascal, PyPy, Python, Scratch, TEXT
Your task is to count the number of ways to construct sum ~n~ by throwing a dice one or more times. Each throw produces an outcome between ~1~ and ~6~.
For example, if ~n = 3~, there are ~4~ ways:
- ~1 + 1 + 1~
- ~1 + 2~
- ~2 + 1~
- ~3~
Input Specification
- The only input line has an integer ~n~.
Output Specification
- Print the number of ways modulo ~10^9 + 7~.
Constrains
- ~1 \le n \le 10^6~
Sample Cases
Input #1:
3
Output #1:
4

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