#include using namespace std; typedef signed long long ll; #undef _P #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 ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N; int A[101010]; int num[101010]; int C[101010]; template class BIT { public: V bit[1< bt; const int SQ=500; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) { cin>>A[i]; num[A[i]]++; } ll ret=0; FOR(x,N) { int ma=0; FOR(i,SQ*2) if(x+ii+1) ret++; } FOR(i,SQ*2) if(x+i=SQ) { int cur=1<<17; bt.add(cur,1); FOR(x,N) { if(A[x]==i) cur++; else cur--; ret+=bt(cur-1); bt.add(cur,1); } cur=1<<17; bt.add(cur,-1); FOR(x,N) { if(A[x]==i) cur++; else cur--; bt.add(cur,-1); } } cout<