#include <bits/stdc++.h>
#define task "C"
#define all(v) (v).begin(), (v).end()
#define rep(i, l, r) for (int i = (l); i <= (r); ++i)
#define Rep(i, r, l) for (int i = (r); i >= (l); --i)
#define DB(X) { cerr << #X << " = " << (X) << '\n'; }
#define DB1(A, _) { cerr << #A << "[" << _ << "] = " << (A[_]) << '\n'; }
#define DB2(A, _, __) { cerr << #A << "[" << _ << "][" << __ << "] = " << (A[_][__]) << '\n'; }
#define DB3(A, _, __, ___) { cerr << #A << "[" << _ << "][" << __ << "][" << ___ << "] = " << (A[_][__][___]) << '\n'; }
#define PR(A, l, r) { cerr << '\n'; rep(_, l, r) DB1(A, _); cerr << '\n';}
#define SZ(x) ((int)(x).size())
#define pb push_back
#define eb emplace_back
#define pf push_front
#define F first
#define S second
#define by(x) [](const auto& a, const auto& b) { return a.x < b.x; } // sort(arr, arr + N, by(a));
#define next ___next
#define prev ___prev
#define y1 ___y1
#define left ___left
#define right ___right
#define y0 ___y0
#define div ___div
#define j0 ___j0
#define jn ___jn
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using namespace std;
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<ll> vl;
const int N = 250002;
int read(){int s=0,f=1;char ch=getchar();while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}while(ch>='0'&&ch<='9'){s=(s<<3)+(s<<1)+ch-'0',ch=getchar();}return s*f;}
char readch() {char c; do c = getchar(); while (c == '\n' || c == ' '); return c;}
template <typename T> inline void wrip(T x) {if (x > 9) wrip(x / 10); putchar(x%10 + 48); }
template <typename T> inline void writeln(T x) {if (x < 0) putchar('-'), x = -x; wrip(x); putchar('\n');}
int n, A, q, a[N];
set<ii> mxa;
int it[4 * N];
void build(int id, int l, int r)
{
if (l == r)
{
it[id] = a[l];
return;
}
int m = (l + r) >> 1;
build(id << 1, l, m);
build((id << 1) | 1, m + 1, r);
it[id] = max(it[id << 1], it[(id << 1) | 1]);
}
void update(int id, int l, int r, int p)
{
if (l > p || r < p) return;
if (l == r)
{
it[id] = a[p];
return;
}
int m = (l + r) >> 1;
update(id << 1, l, m, p);
update((id << 1) | 1, m + 1, r, p);
it[id] = max(it[id << 1], it[(id << 1) | 1]);
}
int query(int id, int l, int r, int L, int R)
{
if (l > R || r < L) return -1e9;
if (L <= l && r <= R) return it[id];
int m = (l + r) >> 1;
return max(query(id << 1, l, m, L, R), query((id << 1) | 1, m + 1, r, L, R));
}
int queryL(int id, int l, int r, int L, int R, int x)
{
if (l > R || r < L || L > R || it[id] <= x) return -1e9;
if (l == r) return l;
int m = (l + r) >> 1;
int res = queryL((id << 1) | 1, m + 1, r, L, R, x);
if (res != -1e9) return res;
return queryL(id << 1, l, m, L, R, x);
}
int queryR(int id, int l, int r, int L, int R, int x)
{
if (l > R || r < L || L > R || it[id] <= x) return -1e9;
if (l == r) return l;
int m = (l + r) >> 1;
int res = queryR(id << 1, l, m, L, R, x);
if (res != -1e9) return res;
return queryR((id << 1) | 1, m + 1, r, L, R, x);
}
int main()
{
#ifdef HynDuf
freopen(task".in", "r", stdin);
//freopen(task".out", "w", stdout);
#else
ios_base::sync_with_stdio(false); cin.tie(nullptr);
#endif
//cin >> n >> A;
n = read(), A = read();
rep(i, 1, n)
{
a[i] = read();
mxa.insert({a[i], i});
if (SZ(mxa) > 10) mxa.erase(mxa.begin());
}
build(1, 1, n);
q = read();
while (q--)
{
char t;
int x;
t = readch();
x = read();
if (t == 'E')
{
int r;
r = read();
vii change;
rep(i, 1, r - 1)
{
auto it = mxa.end(); it--;
if (it->S != x)
{
change.pb({it->F + 1, it->S});
a[it->S]++;
update(1, 1, n, it->S);
} else i--;
mxa.erase(it);
}
auto it = mxa.lower_bound({a[x], 0});
if (it != mxa.end() && it->F == a[x]) mxa.erase(it);
a[x] = (change.empty() ? (mxa.rbegin()->F + 1) : (change.back().F - 1));
change.pb({a[x], x});
update(1, 1, n, x);
for (ii v : change) mxa.insert(v);
if (SZ(mxa) > 10) mxa.erase(mxa.begin());
} else if (x > A)
{
int mx = query(1, 1, n, A + 1, x);
int l = queryL(1, 1, n, 1, A - 1, mx);
if (l == -1e9) l = 0;
writeln(x - l - 1);
} else if (x < A)
{
int mx = query(1, 1, n, x, A - 1);
int r = queryR(1, 1, n, A + 1, n, mx);
if (r == -1e9) r = n + 1;
writeln(r - x - 1);
} else puts("0");
}
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
6 ms |
384 KB |
Output is correct |
| 5 |
Correct |
15 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
622 ms |
632 KB |
Output is correct |
| 2 |
Correct |
336 ms |
512 KB |
Output is correct |
| 3 |
Correct |
401 ms |
512 KB |
Output is correct |
| 4 |
Correct |
189 ms |
512 KB |
Output is correct |
| 5 |
Correct |
727 ms |
768 KB |
Output is correct |
| 6 |
Correct |
578 ms |
752 KB |
Output is correct |
| 7 |
Correct |
444 ms |
752 KB |
Output is correct |
| 8 |
Correct |
216 ms |
756 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
81 ms |
2296 KB |
Output is correct |
| 2 |
Correct |
71 ms |
2296 KB |
Output is correct |
| 3 |
Correct |
60 ms |
2168 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
106 ms |
4084 KB |
Output is correct |
| 6 |
Correct |
125 ms |
4088 KB |
Output is correct |
| 7 |
Correct |
88 ms |
3832 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
62 ms |
528 KB |
Output is correct |
| 2 |
Correct |
44 ms |
512 KB |
Output is correct |
| 3 |
Correct |
73 ms |
1272 KB |
Output is correct |
| 4 |
Correct |
117 ms |
1400 KB |
Output is correct |
| 5 |
Correct |
171 ms |
760 KB |
Output is correct |
| 6 |
Correct |
140 ms |
1528 KB |
Output is correct |
| 7 |
Correct |
138 ms |
1016 KB |
Output is correct |
| 8 |
Correct |
219 ms |
1792 KB |
Output is correct |
| 9 |
Correct |
886 ms |
5220 KB |
Output is correct |
| 10 |
Correct |
540 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
685 ms |
2168 KB |
Output is correct |
| 12 |
Correct |
906 ms |
4984 KB |
Output is correct |
| 13 |
Correct |
748 ms |
5240 KB |
Output is correct |
