| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 736463 |
2023-05-05T17:12:22 Z |
GrindMachine |
Cake (CEOI14_cake) |
C++17 |
|
2000 ms |
26880 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 = st.begin()->first + 1;
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;
vector<ll> b;
trav(p, st) b.pb(p.ff);
b.resize(unique(all(b)) - b.begin());
assert(sz(b) == n);
}
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;
}
Compilation message
In file included from /usr/include/c++/10/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:45,
from /usr/include/c++/10/ext/pb_ds/detail/container_base_dispatch.hpp:90,
from /usr/include/c++/10/ext/pb_ds/assoc_container.hpp:48,
from cake.cpp:4:
cake.cpp: In function 'void solve(int)':
cake.cpp:264:26: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
264 | assert(sz(b) == n);
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2065 ms |
1568 KB |
Time limit exceeded |
| 2 |
Execution timed out |
2071 ms |
2812 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2087 ms |
1496 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2078 ms |
1536 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2082 ms |
3256 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2083 ms |
3268 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2082 ms |
3284 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2083 ms |
3748 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
521 ms |
11920 KB |
Output is correct |
| 2 |
Incorrect |
308 ms |
11896 KB |
Output isn't correct |
| 3 |
Incorrect |
325 ms |
11792 KB |
Output isn't correct |
| 4 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 5 |
Correct |
1769 ms |
26732 KB |
Output is correct |
| 6 |
Execution timed out |
2033 ms |
26740 KB |
Time limit exceeded |
| 7 |
Incorrect |
746 ms |
26880 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
953 ms |
792 KB |
Output isn't correct |
| 2 |
Incorrect |
1672 ms |
1128 KB |
Output isn't correct |
| 3 |
Execution timed out |
2096 ms |
5884 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2043 ms |
5972 KB |
Time limit exceeded |
| 5 |
Incorrect |
1900 ms |
828 KB |
Output isn't correct |
| 6 |
Execution timed out |
2069 ms |
8604 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2068 ms |
1640 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2070 ms |
11412 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2076 ms |
26264 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2084 ms |
1032 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2071 ms |
3204 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2060 ms |
22384 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2062 ms |
26160 KB |
Time limit exceeded |
