#include #include #include #include #include #define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() const int INF = 0x3f3f3f3f; const long long LINF = 0x3f3f3f3f3f3f3f3fLL; const double EPS = 1e-8; const int MOD = 1000000007; // 998244353; const int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1}; /*-------------------------------------------------*/ template struct RMQ { RMQ(int sz, const Monoid &UNITY) : UNITY(UNITY) { init(sz); dat.assign((n << 1) - 1, UNITY); } RMQ(const vector &a, const Monoid &UNITY) : UNITY(UNITY) { int a_sz = a.size(); init(a_sz); dat.resize((n << 1) - 1); REP(i, a_sz) dat[n - 1 + i] = a[i]; for (int i = n - 2; i >= 0; --i) dat[i] = min(dat[(i << 1) + 1], dat[(i << 1) + 2]); } void update(int node, Monoid value) { node += n - 1; dat[node] = value; while (node > 0) { node = (node - 1) >> 1; dat[node] = min(dat[(node << 1) + 1], dat[(node << 1) + 2]); } } Monoid query(int a, int b) { return query(a, b, 0, 0, n); } int find(int a, int b, Monoid value) { return find(a, b, value, 0, 0, n); } Monoid operator[](const int idx) const { return dat[idx + n - 1]; } private: int n = 1; const Monoid UNITY; vector dat; void init(int sz) { while (n < sz) n <<= 1; } Monoid query(int a, int b, int node, int left, int right) { if (right <= a || b <= left) return UNITY; if (a <= left && right <= b) return dat[node]; return min(query(a, b, (node << 1) + 1, left, (left + right) >> 1), query(a, b, (node << 1) + 2, (left + right) >> 1, right)); } int find(int a, int b, Monoid value, int node, int left, int right) { if (dat[node] > value || right <= a || b <= left) return -1; if (right - left == 1) return node - (n - 1); int res_l = find(a, b, value, (node << 1) + 1, left, (left + right) >> 1); if (res_l != -1) return res_l; return find(a, b, value, (node << 1) + 2, (left + right) >> 1, right); } }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); // freopen("input.txt", "r", stdin); int n, q; cin >> n >> q; vector a(n); REP(i, n) cin >> a[i]; RMQ rmq(a, INF); while (q--) { int query, l, r; cin >> query >> l >> r; --l; --r; if (query == 1) { int al = rmq[l], ar = rmq[r]; rmq.update(l, ar); rmq.update(r, al); } else { cout << rmq.find(l, r + 1, rmq.query(l, r + 1)) + 1 << '\n'; } } return 0; }