摘要:
##求最小值 while (l<r) { int mid= (l+r)>>1; if (check (mid)) r=mid; else l=mid+1; } ##求最大值 while (l<r) { int mid= (l+r+1)>>1; if (check (mid)) l=mid; else 阅读全文
posted @ 2020-08-24 19:11
Luglucky
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摘要:
##Problem B ###题面 In Omkar's last class of math, he learned about the least common multiple, or LCM. LCM(a,b) is the smallest positive integer x which 阅读全文
posted @ 2020-08-24 13:13
Luglucky
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