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| #include <bits/stdc++.h> #define all(vec) vec.begin(),vec.end() #define PB push_back #define PF push_front #define EB emplace_back #define EF emplace_front #define EM emplace #define FI first #define SE second #define pct __builtin_popcountll #define ctz __builtin_ctzll #define lson(o) (o<<1) #define rson(o) (o<<1|1) #define SZ(a) ((long long) a.size()) #define FOR(i, a, b) for (int i = (a); i <= (b); ++i) #define ROF(i, a, b) for (int i = (a); i >= (b); --i) #define debug(var) cerr << #var <<":"<<var<<"\n"; #define cend cerr<<"\n-----------\n" #define fsp(x) fixed<<setprecision(x) #define minn(vec) *min_element(vec.begin(),vec.end()) #define maxx(vec) *max_element(vec.begin(),vec.end())
using namespace std; #ifdef LOCAL template<typename T> void _print(T x) { cerr << x; }
template<typename T> void _print(vector<T> v) { cerr << "[ "; for (T i : v) _print(i), cerr << " "; cerr << "]"; } template<typename T> void _print(set<T> s) { cerr << "{ "; for (T i : s) _print(i), cerr << " "; cerr << "}"; } template<typename T, typename U> void _print(pair<T, U> p) { cerr << "{"; _print(p.first); cerr << ", "; _print(p.second); cerr << "}"; } template<typename T, typename U> void _print(map<T, U> m) { cerr << "{ "; for (auto &p : m) _print(p), cerr << " "; cerr << "}"; }
template<typename T> void _print(vector<vector<T>> v){cerr<<"{\n";for (auto i : v) _print(i), cerr << "\n";cerr<<" }";} #endif
using ll = long long;using ull = unsigned long long; using ld=double;using LD=long double; using i128 = __int128; using pdd = pair<ld,ld>;using plb = pair<ll,bool>; using pll = pair<ll,ll>;using vll=vector<ll>;using vb=vector<bool>; using tll = tuple<ll,ll,ll>;using vii=vector<int>; using vpll = vector<pll>;using vtll = vector<tll>; using vdb = vector<ld>;using vc=vector<char>; using arr3 = array<ll,3> ;using arr2 = array<ll,2>; using CD=complex<double>; static constexpr ll MAXN=(ll)2e5+10,INF=(ll)1e17+3; static constexpr ll mod=998244353; static constexpr double eps=1e-8;const double pi=acos(-1.0); ll N,M,Q,X,K,T,lT;
inline void __(); signed main() { ios::sync_with_stdio(false); cin.tie(0);cout.tie(0); cin>>lT; while(lT--) __(); return 0; }
ll Pos[MAXN]; inline void __(){ cin>>N; vll A(N+5); FOR(i,1,N){ cin>>A[i]; Pos[A[i]]=i; } ll id=max(A[1],A[N]); ll ans=0; vll pre(N+5,INF),suf(N+5,INF); FOR(i,1,N){ pre[i]=min(pre[i-1],A[i]); } ROF(i,N,1){ suf[i]=min(suf[i+1],A[i]); } FOR(i,1,N){ if(i==N){ if(Pos[i]==1 || Pos[i]==N){ ans+=N; }else{ ans++; } continue; } if(i==1 || i==2){ ans+=i; continue; } if(i<=suf[Pos[i]] || i<=pre[Pos[i]]){ ans+=i; }else{ ans++; } } ans%=mod; cout<<ans<<"\n";
}
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