随笔分类 - RMQ
摘要:#include const int N=1e6+5; const int Logn=20; int f[N][Logn],a[N],lg[N],n,m; int main(){ cin>>n>>m; rep(i,1,n) cin>>a[i]; lg[0]=-1; rep(i,1,n) fa[i][0]=a[i],lg[i]=lg[i>>1]+1; ...
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posted @ 2018-09-08 13:44
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