方程中少加了个D，改后 $f[i][j]=min(f[i−1][j−k]+(n−j+k)×(T[i]−T[i−1])+(j==0)?0:D$ $0<=k<=min(j,Z[i])0<=k<=min(j,Z[i])0<=k<=min(j,Z[i])$ 好像还是错的 by Andrew82 @ 2019-03-21 15:58:17