#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N,A[101010]; int L[101010],R[101010]; int num[201][101010]; int numP[201]; const int DI=500; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) { cin>>A[i]; } //100までは愚直 for(i=1;i<=min(DI,N);i++) { unordered_set M; int step=1; FOR(j,N) { M.insert(A[j]); if(M.size()>i) { M.clear(); M.insert(A[j]); step++; } } cout<=R[j]) { for(k=R[j];k>L[j];k++) num[j][A[k]]=0; numP[j]=0; R[j]=L[j]; } if(L[j]>=N) { step=j-1; break; } while(R[j]