#include #define REP(i, n) for(int i = 0;i < n;i++) #define VSORT(v) sort(v.begin(), v.end()) #define VRSORT(v) sort(v.rbegin(), v.rend()) #define ll long long using namespace std; typedef pair P; typedef pair LP; typedef pair PP; typedef pair LPP; typedef vectorvec; typedef vector mat; typedef vector> Graph; const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; const int INF = 1000000000; const ll LINF = 1000000000000000000;//1e18 const ll MOD = 1000000007; const double PI = acos(-1.0); const double EPS = 1e-10; template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline void add(T &a, T b){a = ((a+b) % MOD + MOD) % MOD;}; struct valueIdx{ ll value, idx; }; template struct SegTree { using Func = function; const Func F; const Monoid UNITY; int SIZE_R; vector dat; SegTree(int n, const Func f, const Monoid &unity): F(f), UNITY(unity) { init(n); } void init(int n) { SIZE_R = 1; while (SIZE_R < n) SIZE_R *= 2; dat.assign(SIZE_R * 2, UNITY); } /* set, a is 0-indexed */ void set(int a, const Monoid &v) { dat[a + SIZE_R] = v; } void build() { for (int k = SIZE_R - 1; k > 0; --k) dat[k] = F(dat[k*2], dat[k*2+1]); } /* update a, a is 0-indexed */ void update(int a, const Monoid &v) { int k = a + SIZE_R; dat[k] = v; while (k >>= 1) dat[k] = F(dat[k*2], dat[k*2+1]); } /* get [a, b), a and b are 0-indexed */ Monoid get(int a, int b) { Monoid vleft = UNITY, vright = UNITY; for (int left = a + SIZE_R, right = b + SIZE_R; left < right; left >>= 1, right >>= 1) { if (left & 1) vleft = F(vleft, dat[left++]); if (right & 1) vright = F(dat[--right], vright); } return F(vleft, vright); } inline Monoid operator [] (int a) { return dat[a + SIZE_R]; } /* debug */ void print() { for (int i = 0; i < SIZE_R; ++i) { cout << (*this)[i]; if (i != SIZE_R-1) cout << ","; } cout << endl; } }; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N, Q; cin >> N >> Q; //使うとき // セグツリーの構築 SegTree st(N, [](valueIdx a, valueIdx b){ return (a.value < b.value ? a : b);}, valueIdx{INF,0}); vector A(N); for (int i = 0; i < N; ++i) { cin >> A[i]; st.set(i, {A[i],i}); } st.build(); REP(i,Q){ int q, l, r; cin >> q >> l >> r; --l, --r; if(q==1){ auto L = st.get(l, l + 1).value; auto R = st.get(r, r + 1).value; st.update(l, {R,l}); st.update(r, {L,r}); } else cout << st.get(l, r + 1).idx + 1 << endl; } }