import sys

N,Q = map(int,sys.stdin.readline().split())
A = [int(x) for x in sys.stdin.readline().split()]
query = [tuple(int(x)-1 for x in row.split()) for row in sys.stdin.readlines()]

INF = 10**6
size = 1<<17
data = [INF] * (2*size)
x_to_i = [None] * (N+1)
for i,x in enumerate(A):
    data[i+size] = x
    x_to_i[x] = i
for i in range(size-1,0,-1):
    data[i] = min(data[2*i],data[2*i+1])

def update(i,x):
    data[i+size] = x
    n = i+size
    while n > 1:
        n //= 2
        data[n] = min(data[2*n],data[2*n+1])


def RMQ(L,R):
    ret = INF
    R += 1 # 半開区間
    i = 1; iL = 0; iR = size
    q = [(i,iL,iR)]
    while q:
        i,iL,iR = q.pop()
        if R <= iL or iR <= L:
            continue
        if L<=iL and iR<=R:
            if ret > data[i]:
                ret = data[i]
            continue
        M = (iL+iR)//2
        q.append((2*i,iL,M))
        q.append((2*i+1,M,iR))
    return ret

for q,L,R in query:
    if q == 0:
        x,y = data[L+size],data[R+size]
        update(L,y)
        update(R,x)
        x_to_i[y] = L
        x_to_i[x] = R
    elif q == 1:
        print(x_to_i[RMQ(L,R)]+1)