for(int i=2;i<=n;i++)
for(int j=2;j<=i;j++)
f[i][j]=f[i-1][j-1]+f[i-j][j];
by MiaoZ @ 2018-02-12 20:48:11
****发现自己用不来洛谷
by MiaoZ @ 2018-02-12 20:50:54
by frank310 @ 2018-04-04 20:06:42
by MornEveGlow @ 2018-04-14 14:44:08
你整理一下
by NOI_LHY @ 2018-08-10 14:06:51