#include #include #include #include #include #include #include #include #include #include #include #include using namespace std; template > using MaxHeap = priority_queue, Compare>; template > using MinHeap = priority_queue, Compare>; using llong = long long; //=== template struct SegmentTree { using OP = function; vector tree; int size; const OP f; // bin' operation const Monoid e; // neutral element SegmentTree(int nmemb, const Monoid &e, const OP &f): f(f), e(e) { size = 1; while (size < nmemb) { size *= 2; } tree.assign(2 * size - 1, e); } void update(int k, Monoid dat) { k += size - 1; tree[k] = dat; while(k > 0) { k = (k - 1) / 2; tree[k] = f(tree[2 * k + 1], tree[2 * k + 2]); } } // [l, r) Monoid query(int l, int r) { l += size - 1; r += size - 1; Monoid d = e; while (l < r) { if (l % 2 == 0) { d = f(d, tree[l]); l++; } if (r % 2 == 0) { r--; d = f(d, tree[r]); } l = (l - 1) / 2; r = (r - 1) / 2; } return d; } Monoid operator[] (const int k) { return query(k, k + 1); } }; //=== struct P { int v; int idx; P(int v, int idx): v(v), idx(idx) {}; bool operator < (const P &r) const { return this->v < r.v; }; }; int n, q; int com, l, r; SegmentTree

seg(100005, P(1 << 29, 0), [](auto l, auto r){ return min(l, r); }); int main() { cin >> n >> q; for (int i = 0; i < n; i++) { int v; cin >> v; seg.update(i, P(v, i + 1)); } for (int i = 0; i < q; i++) { cin >> com >> l >> r; r--; l--; if (com == 1) { P a = seg[l]; P b = seg[r]; seg.update(l, P(b.v, a.idx)); seg.update(r, P(a.v, b.idx)); } else if (com == 2) { P a = seg.query(l, r + 1); cout << a.idx << endl; } } return 0; }