#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#define ld long double
// 217
// 44
using namespace std;
const int MAXN = 250000;
int arr[MAXN + 1];
struct Data {
int pos;
bool operator <(const Data &other) const {
return arr[pos] > arr[other.pos];
}
};
multiset <Data> mst;
struct SegTree {
vector < pair <int, int> > aint;
int n;
SegTree(int _n) {
n = _n;
aint.resize(4 * n + 1);
for(int i = 1; i <= 4 * n; i++) {
aint[i] = {0, i};
}
}
inline void refresh(int nod) {
if(aint[2 * nod].first > aint[2 * nod + 1].first) {
aint[nod] = aint[2 * nod];
}
else {
aint[nod] = aint[2 * nod + 1];
}
}
void build(int nod, int left, int right) {
if(left == right) {
aint[nod] = {arr[left], left};
}
else {
int mid = (left + right) / 2;
build(2 * nod, left, mid);
build(2 * nod + 1, mid + 1, right);
refresh(nod);
}
}
void update(int nod, int left, int right, int pos, int val) {
if(left == right) {
aint[nod] = {val, left};
}
else {
int mid = (left + right) / 2;
if(pos <= mid) update(2 * nod, left, mid, pos, val);
else update(2 * nod + 1, mid + 1, right, pos, val);
refresh(nod);
}
}
pair <int, int> query(int nod, int left, int right, int l, int r) {
if(l <= left && right <= r) {
return aint[nod];
}
else {
int mid = (left + right) / 2;
pair <int, int> a, b;
a = b = {0, 0};
if(l <= mid) a = query(2 * nod, left, mid, l, r);
if(mid < r) b = query(2 * nod + 1, mid + 1, right, l, r);
if(a.first < b.first) {
return b;
}
return a;
}
}
int get_left(int nod, int left, int right, int pos, int val) {
if(left > pos) {
return 0;
}
if(right <= pos) {
if(aint[nod].first > val) {
if(left == right) {
return aint[nod].second;
}
int mid = (left + right) / 2;
if(aint[2 * nod + 1].first > val) {
return get_left(2 * nod + 1, mid + 1, right, pos, val);
}
return get_left(2 * nod, left, mid, pos, val);
}
return 0;
}
else {
int mid = (left + right) / 2;
int a = get_left(2 * nod, left, mid, pos, val), b = get_left(2 * nod + 1, mid + 1, right, pos, val);
return max(a, b);
}
}
int get_right(int nod, int left, int right, int pos, int val) {
if(right < pos) {
return n + 1;
}
if(left >= pos) {
if(aint[nod].first > val) {
if(left == right) {
return aint[nod].second;
}
int mid = (left + right) / 2;
if(aint[2 * nod].first > val) {
return get_right(2 * nod, left, mid, pos, val);
}
return get_right(2 * nod + 1, mid + 1, right, pos, val);
}
return n + 1;
}
else {
int mid = (left + right) / 2;
int a = get_right(2 * nod, left, mid, pos, val), b = get_right(2 * nod + 1, mid + 1, right, pos, val);
return min(a, b);
}
}
};
int main() {
//ifstream cin("A.in");
//ofstream cout("A.out");
int i, n, q, a;
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n >> a;
for(i = 1; i <= n; i++) {
cin >> arr[i];
mst.insert({i});
}
SegTree st(n);
st.build(1, 1, n);
cin >> q;
while(q > 0) {
q--;
int pos, e;
char ch;
cin >> ch;
if(ch == 'F') {
cin >> pos;
int ans = 0;
if(a < pos) {
ans = pos - st.get_left(1, 1, n, a - 1, st.query(1, 1, n, a + 1, pos).first) - 1;
}
else if(a > pos) {
ans = st.get_right(1, 1, n, a + 1, st.query(1, 1, n, pos, a - 1).first) - pos - 1;
}
else if(a == pos) {
ans = 0;
}
cout << ans << "\n";
}
else {
cin >> pos >> e;
auto it = mst.begin();
int last = arr[it -> pos] + 1;
int cnt = 0;
while(cnt < e - 1 && it != mst.end()) {
int cur = it -> pos;
cnt += (cur != pos);
it++;
last = arr[cur];
mst.erase(mst.find({cur}));
arr[cur]++;
mst.insert({cur});
}
mst.erase(mst.find({pos}));
arr[pos] = last;
mst.insert({pos});
it = mst.begin();
for(i = 0; i < e; i++) {
st.update(1, 1, n, it -> pos, arr[it -> pos]);
it++;
}
/*for(i = 1; i <= n; i++) {
cerr << st.query(1, 1, n, i, i).first << " ";
}
cerr << "\n";*/
}
}
//cin.close();
//cout.close();
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
7 ms |
504 KB |
Output is correct |
| 5 |
Correct |
19 ms |
1400 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
558 ms |
1016 KB |
Output is correct |
| 2 |
Correct |
337 ms |
1144 KB |
Output is correct |
| 3 |
Correct |
360 ms |
1144 KB |
Output is correct |
| 4 |
Correct |
169 ms |
1272 KB |
Output is correct |
| 5 |
Correct |
680 ms |
2424 KB |
Output is correct |
| 6 |
Correct |
560 ms |
2424 KB |
Output is correct |
| 7 |
Correct |
461 ms |
2424 KB |
Output is correct |
| 8 |
Correct |
218 ms |
2424 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
134 ms |
9080 KB |
Output is correct |
| 2 |
Correct |
83 ms |
9080 KB |
Output is correct |
| 3 |
Correct |
74 ms |
9080 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
343 ms |
21500 KB |
Output is correct |
| 6 |
Correct |
330 ms |
21692 KB |
Output is correct |
| 7 |
Correct |
133 ms |
21368 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
57 ms |
632 KB |
Output is correct |
| 2 |
Correct |
99 ms |
892 KB |
Output is correct |
| 3 |
Correct |
109 ms |
4600 KB |
Output is correct |
| 4 |
Correct |
145 ms |
4748 KB |
Output is correct |
| 5 |
Correct |
155 ms |
888 KB |
Output is correct |
| 6 |
Correct |
218 ms |
6152 KB |
Output is correct |
| 7 |
Correct |
168 ms |
1784 KB |
Output is correct |
| 8 |
Correct |
294 ms |
8672 KB |
Output is correct |
| 9 |
Correct |
1470 ms |
22792 KB |
Output is correct |
| 10 |
Correct |
512 ms |
1656 KB |
Output is correct |
| 11 |
Correct |
772 ms |
3448 KB |
Output is correct |
| 12 |
Correct |
1527 ms |
18512 KB |
Output is correct |
| 13 |
Correct |
1049 ms |
22596 KB |
Output is correct |
