#include <bits/stdc++.h>
using namespace std;
const int mxN = 3e5 + 7;
const int SZ = exp2(ceil(log2(mxN)));
int seg[2 * SZ];
void update(int pos, int val) {
seg[pos += SZ - 1] = val;
for (pos /= 2; pos; pos /= 2) {
seg[pos] = max(seg[2 * pos], seg[2 * pos + 1]);
}
}
int query(int a, int b, int ind = 1, int l = 1, int r = SZ) {
if (l > b || r < a) {
return 0;
}
if (a <= l && r <= b) {
return seg[ind];
}
int mid = (l + r) / 2;
return max(query(a, b, 2 * ind, l, mid),
query(a, b, 2 * ind + 1, mid + 1, r));
}
int walk(int a, int b, int val, bool dir, int ind = 1, int l = 1, int r = SZ) {
if (l > b || r < a || seg[ind] < val) {
return 0;
}
int mid = (l + r) / 2;
if (a <= l && r <= b) {
if (l == r) {
return l;
}
else if ((!dir && seg[2 * ind] > val) || (dir && seg[2 * ind + 1] < val)) {
walk(a, b, val, dir, 2 * ind, l, mid);
}
else {
walk(a, b, val, dir, 2 * ind + 1, mid + 1, r);
}
}
int ret = 0;
ret = (!dir ? walk(a, b, val, dir, 2 * ind, l, mid) :
walk(a, b, val, dir, 2 * ind + 1, mid + 1, r));
if (!ret) {
ret = (!dir ? walk(a, b, val, dir, 2 * ind + 1, mid + 1, r) :
walk(a, b, val, dir, 2 * ind, l, mid));
}
return ret;
}
int arr[mxN], pos[mxN];
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n, a;
cin >> n >> a;
set<int> nums;
for (int i = 1; i <= n; ++i) {
cin >> arr[i];
pos[arr[i]] = i;
nums.insert(-arr[i]);
update(i, arr[i]);
}
int q;
cin >> q;
while (q--) {
char type;
cin >> type;
if (type == 'F') {
int b;
cin >> b;
if (b == a) {
cout << "0\n";
}
else if (b < a) {
int mx = query(b, a - 1);
int ind = walk(min(n, a + 1), n, mx, false);
if (!ind) {
ind = n + 1;
}
cout << (ind - a) + (a - b - 1) << "\n";
}
else {
int mx = query(a + 1, b);
int ind = walk(1, max(1, a - 1), mx, true);
cout << (a - ind - 1) + (b - a) << "\n";
}
}
else {
int i, e;
cin >> i >> e;
pos[arr[i]] = 0;
nums.erase(-arr[i]);
auto it = nums.begin();
int ind = 1;
while (ind < e) {
++it, ++ind;
}
int val = *it - 1;
it = nums.begin();
vector<int> change;
for (int j = 1; j < ind; ++j) {
change.push_back(*it);
++it;
}
for (auto x : change) {
int cur = -x;
update(pos[cur], cur + 1);
pos[cur + 1] = pos[cur];
pos[cur] = 0;
nums.erase(x);
nums.insert(x - 1);
}
nums.insert(val);
arr[i] = -val;
pos[arr[i]] = i;
update(i, arr[i]);
}
}
}
