#CSPJQM024. Subsequences Summing to Sevens

    ID: 1061 传统题 1000ms 64MiB 尝试: 0 已通过: 0 难度: (无) 上传者: 标签>信息奥赛CSP-J启梦复赛集训题库CSP-J复赛集训题

Subsequences Summing to Sevens

Samples

7
3
5
1
6
2
14
10
5