Codecraft-17 and Codeforces Round #391 (Div. 1 + Div. 2, combined) C. Felicity is Coming!组合学+集合

C. Felicity is Coming! 组合学+集合 My Solution 题意:给出n组数,每组gi个数,每个数属于1~m,每…

  • ACM-ICPC题解技巧题
  • 2017/3/28
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