#include #include #define ft first #define sc second #define pt(sth) cout << sth << "\n" #define chmax(a, b) (a)=max(a, b) #define chmin(a, b) (a)=min(a, b) #define moC(a, s, b) (a)=((a)s(b)+MOD)%MOD using namespace std; typedef long long ll; typedef pair pll; static const ll INF=1e18; static const ll MAX=101010; static const ll MOD=1e9+7; /* for(i=0; i> a[i]; */ class LazySegTree { public: ll n, height; vector data, lazy; LazySegTree(ll _n) { n=1; height=1; while(n<_n) { n*=2; height++; } data=vector(2*n-1); lazy=vector(2*n-1); } void eval(ll k, ll l, ll r) { if(lazy[k]!=0) { data[k]=lazy[k]; if(r-l>1) { lazy[k*2+1]=lazy[k]/2; lazy[k*2+2]=lazy[k]/2; } lazy[k]=0; } } void _add(ll a, ll b, ll x, ll k, ll l, ll r) { eval(k, l, r); if(r<=a || b<=l) return; if(a<=l && r<=b) { lazy[k]=(r-l)*x; eval(k, l, r); }else { _add(a, b, x, k*2+1, l, (l+r)/2); _add(a, b, x, k*2+2, (l+r)/2, r); data[k]=data[k*2+1]+data[k*2+2]; } } void add(ll a, ll b, ll x) {_add(a, b, x, 0, 0, n);} //[a, b):要求区間,[l, r):今見ている区間 ll _sum(ll a, ll b, ll k, ll l, ll r) { if(r<=a || b<=l) return 0; eval(k, l, r); if(a<=l && r<=b) { return data[k]; }else { ll s=_sum(a, b, k*2+1, l, (l+r)/2); ll t=_sum(a, b, k*2+2, (l+r)/2, r); return s+t; } } ll sum(ll a, ll b) {return _sum(a, b, 0, 0, n);} }; int main(void) { ll i, j, k; ll N; cin >> N; ll a[MAX]; map> mv; for(i=0; i> a; mv[a].push_back(i); } LazySegTree lst=LazySegTree(N); for(auto it=mv.begin(); it!=mv.end(); it++) { ll x=it->ft; sort(mv[x].begin(), mv[x].end()); ll a=mv[x][0], b=mv[x][(ll)mv[x].size()-1]; lst.add(a, b+1, x); } for(i=0; i