/*
author : PakinDioxide
created : 26/05/2025 00:22
task : BOI11_grow
*/
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int mxN = 1e5+5;
struct T {
ll s[4*mxN], lz[4*mxN];
void build() { memset(s, 0, sizeof(s)), memset(lz, 0, sizeof(lz)); }
void push(int u, int l, int r) {
s[l] += lz[u], lz[l] += lz[u];
s[r] += lz[u], lz[r] += lz[u];
lz[u] = 0;
}
void upd(int l, int r, int x, int y, ll k, int u) {
if (x <= l && r <= y) lz[u] += k, s[u] += k;
else {
push(u, u<<1, u<<1|1);
int mid = l + (r-l)/2;
if (mid >= x) upd(l, mid, x, y, k, u<<1);
if (mid+1 <= y) upd(mid+1, r, x, y, k, u<<1|1);
s[u] = s[u<<1|1];
}
}
int fi(int l, int r, ll x, int u) {
if (l == r) return l;
else {
push(u, u<<1, u<<1|1);
int mid = l + (r-l)/2;
if (s[u<<1] >= x) return fi(l, mid, x, u<<1);
else return fi(mid+1, r, x, u<<1|1);
}
}
};
int n, q;
ll a[mxN];
T s;
int main() {
ios::sync_with_stdio(0), cin.tie(0);
cin >> n >> q;
s.build();
n++;
a[0] = LLONG_MIN, a[n] = LLONG_MAX;
for (int i = 1; i < n; i++) cin >> a[i];
sort(a, a+n+1);
s.upd(0, n, 0, 0, a[0], 1);
s.upd(0, n, n, n, a[n], 1);
for (int i = 1; i < n; i++) s.upd(0, n, i, i, a[i], 1);
while (q--) {
char t; cin >> t;
if (t == 'F') {
ll c, h; cin >> c >> h;
int l = s.fi(0, n, h, 1), r = min((int) (l+c-1), n-1);
if (l > r) continue;
int l_ = s.fi(0, n, a[r], 1), r_ = s.fi(0, n, a[r]+1, 1) - 1;
if (l >= l_) s.upd(0, n, r_-c+1, r_, 1, 1);
else s.upd(0, n, r_ - (r - l_ + 1) + 1, r_, 1, 1);
if (l <= l_-1) s.upd(0, n, l, l_ - 1, 1, 1);
} else {
ll l, r; cin >> l >> r;
cout << (s.fi(0, n, r+1, 1) - 1) - s.fi(0, n, l, 1) + 1 << '\n';
}
}
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |