# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
736459 |
2023-05-05T17:03:46 Z |
GrindMachine |
Cake (CEOI14_cake) |
C++17 |
|
973 ms |
30148 KB |
// Om Namah Shivaya
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x, y) ((x + y - 1) / (y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i, n) for(int i = 0; i < n; ++i)
#define rep1(i, n) for(int i = 1; i <= n; ++i)
#define rev(i, s, e) for(int i = s; i >= e; --i)
#define trav(i, a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a, b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a, b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif
/*
*/
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
template<typename T>
struct segtree {
/*=======================================================*/
struct data {
ll a;
};
data neutral = { -inf2};
void merge(data &curr, data &left, data &right) {
curr.a = max(left.a, right.a);
}
void create(int x, int lx, int rx, T v) {
tr[x].a = v;
}
void modify(int x, int lx, int rx, T v) {
tr[x].a = v;
}
/*=======================================================*/
int siz = 1;
vector<data> tr;
segtree(int n) {
init(n);
}
segtree() {
};
void init(int n) {
while (siz < n) siz *= 2;
tr.assign(2 * siz, neutral);
}
void build(vector<T> &a, int n, int x, int lx, int rx) {
if (rx - lx == 1) {
if (lx < n) {
create(x, lx, rx, a[lx]);
}
return;
}
int mid = (lx + rx) / 2;
build(a, n, 2 * x + 1, lx, mid);
build(a, n, 2 * x + 2, mid, rx);
merge(tr[x], tr[2 * x + 1], tr[2 * x + 2]);
}
void build(vector<T> &a, int n) {
build(a, n, 0, 0, siz);
}
void pupd(int i, T v, int x, int lx, int rx) {
if (rx - lx == 1) {
modify(x, lx, rx, v);
return;
}
int mid = (lx + rx) / 2;
if (i < mid) {
pupd(i, v, 2 * x + 1, lx, mid);
}
else {
pupd(i, v, 2 * x + 2, mid, rx);
}
merge(tr[x], tr[2 * x + 1], tr[2 * x + 2]);
}
void pupd(int i, T v) {
pupd(i, v, 0, 0, siz);
}
data query(int l, int r, int x, int lx, int rx) {
if (lx >= r or rx <= l) return neutral;
if (lx >= l and rx <= r) return tr[x];
int mid = (lx + rx) / 2;
data curr;
data left = query(l, r, 2 * x + 1, lx, mid);
data right = query(l, r, 2 * x + 2, mid, rx);
merge(curr, left, right);
return curr;
}
data query(int l, int r) {
return query(l, r + 1, 0, 0, siz);
}
int closest_right(int l, ll mx, int x, int lx, int rx) {
if (rx <= l) return -1;
if (tr[x].a < mx) return -1;
if (rx - lx == 1) return lx;
int mid = (lx + rx) >> 1;
int res = closest_right(l, mx, 2 * x + 1, lx, mid);
if (res == -1) {
res = closest_right(l, mx, 2 * x + 2, mid, rx);
}
return res;
}
int closest_right(int l, ll mx) {
return closest_right(l, mx, 0, 0, siz);
}
int closest_left(int r, ll mx, int x, int lx, int rx) {
if (lx > r) return -1;
if (tr[x].a < mx) return -1;
if (rx - lx == 1) return lx;
int mid = (lx + rx) >> 1;
int res = closest_left(r, mx, 2 * x + 2, mid, rx);
if (res == -1) {
res = closest_left(r, mx, 2 * x + 1, lx, mid);
}
return res;
}
int closest_left(int r, ll mx) {
return closest_left(r, mx, 0, 0, siz);
}
};
void solve(int test_case)
{
ll n; cin >> n;
ll s; cin >> s;
vector<ll> a(n + 5);
rep1(i, n) cin >> a[i];
set<pll, greater<pll>> st;
rep1(i, n) st.insert({a[i], i});
segtree<ll> seg(n + 5);
a[0] = a[n + 1] = inf2;
seg.build(a, n + 2);
ll q; cin >> q;
while (q--) {
char ch; cin >> ch;
if (ch == 'E') {
ll i, k; cin >> i >> k;
st.erase({a[i], i});
ll cnt = 0;
ll v = inf1;
vector<pll> vals;
bool flag = true;
for (auto it = st.begin(); it != st.end(); ++it) {
cnt++;
if (cnt < k) {
vals.pb(*it);
v = it->first - 1;
}
else {
if (v == it->first) {
flag = false;
}
break;
}
}
if (!flag) {
trav(p, vals) {
a[p.ss]++;
st.erase(p);
st.insert({p.ff + 1, p.ss});
seg.pupd(p.ss, p.ff + 1);
}
v--;
}
st.insert({v, i});
seg.pupd(i, v);
a[i] = v;
}
else {
ll i; cin >> i;
if (i == s) {
cout << 0 << endl;
}
else if (i < s) {
ll mx = seg.query(i, s).a;
ll pos = seg.closest_right(s + 1, mx) - 1;
ll ans = pos - i;
cout << ans << endl;
}
else {
ll mx = seg.query(s, i).a;
ll pos = seg.closest_left(s - 1, mx) + 1;
ll ans = i - pos;
cout << ans << endl;
}
}
}
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
316 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
380 ms |
5548 KB |
Output isn't correct |
2 |
Incorrect |
256 ms |
5616 KB |
Output isn't correct |
3 |
Incorrect |
282 ms |
5616 KB |
Output isn't correct |
4 |
Incorrect |
197 ms |
5704 KB |
Output isn't correct |
5 |
Incorrect |
446 ms |
7168 KB |
Output isn't correct |
6 |
Incorrect |
383 ms |
7600 KB |
Output isn't correct |
7 |
Incorrect |
311 ms |
7328 KB |
Output isn't correct |
8 |
Incorrect |
251 ms |
7580 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
103 ms |
11296 KB |
Output isn't correct |
2 |
Incorrect |
73 ms |
11340 KB |
Output isn't correct |
3 |
Incorrect |
77 ms |
11332 KB |
Output isn't correct |
4 |
Incorrect |
1 ms |
320 KB |
Output isn't correct |
5 |
Incorrect |
228 ms |
25156 KB |
Output isn't correct |
6 |
Incorrect |
202 ms |
25036 KB |
Output isn't correct |
7 |
Incorrect |
115 ms |
25236 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
43 ms |
1100 KB |
Output isn't correct |
2 |
Incorrect |
35 ms |
1228 KB |
Output isn't correct |
3 |
Incorrect |
85 ms |
5892 KB |
Output isn't correct |
4 |
Incorrect |
134 ms |
5936 KB |
Output isn't correct |
5 |
Incorrect |
120 ms |
1804 KB |
Output isn't correct |
6 |
Incorrect |
149 ms |
9036 KB |
Output isn't correct |
7 |
Incorrect |
149 ms |
3384 KB |
Output isn't correct |
8 |
Incorrect |
221 ms |
12012 KB |
Output isn't correct |
9 |
Incorrect |
973 ms |
29956 KB |
Output isn't correct |
10 |
Incorrect |
364 ms |
5200 KB |
Output isn't correct |
11 |
Incorrect |
503 ms |
7884 KB |
Output isn't correct |
12 |
Incorrect |
876 ms |
26020 KB |
Output isn't correct |
13 |
Incorrect |
639 ms |
30148 KB |
Output isn't correct |