#include #include using namespace std; const int INF = 1<<30; struct STmin{ private: int n; vector dat; public: STmin(vector ini){ int siz = ini.size(); n = 1; while(n < siz) n *= 2; dat.resize(2*n-1, INF); for(int i = 0; i < siz; i++) dat[n - 1 + i] = ini[i]; for(int i = n-2; i >= 0; i--) dat[i] = min(dat[2*i+1], dat[2*i+2]); } void update(int x, int val){ x += (n-1); dat[x] = val; while(x > 0){ x = (x-1)/2; dat[x] = min(dat[2*x+1], dat[2*x+2]); } } // focus on k-th node, who controls [l, r) int query(int a, int b, int k = 0, int l = 0, int r = -1){ if(r < 0) r = n; if(r <= a || b <= l) return INF; if(a <= l && r <= b) return dat[k]; int lx = query(a, b, 2*k+1, l, (l+r)/2); int rx = query(a, b, 2*k+2, (l+r)/2, r); return min(lx, rx); } }; int main(){ int n, q; cin >> n >> q; vector a(n), rev(n); for(int i = 0; i < n; i++) cin >> a[i], rev[--a[i]] = i; STmin seg(a); while(q-- > 0){ int op, l, r; cin >> op >> l >> r; l--, r--; if(op == 1){ int al = a[l], ar = a[r]; seg.update(l, ar); seg.update(r, al); rev[ar] = l; rev[al] = r; a[r] = al, a[l] = ar; }else{ int mi = seg.query(l, r+1); cout << rev[mi]+1 << endl; } } return 0; }