2009年2月6日星期五

Vijos 1355 车队过桥问题 解题报告

用f[i]表示前i辆车过桥所需的最短时间(单位:小时),易得状态转移方程f[i]=min(f[i],f[j]+len/minv)(1<=i<=n,0<=j<i,w[j+1]+…+w[i]<=max),minv即min(v[j+1]..v[i])。

R1135966 Accepted 100 From IwfWcf- P1355 FPC Vijos Dolphin 2009-2-6 2:16:52

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