# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
202704 | galen_colin | Holiday (IOI14_holiday) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include <chrono>
using namespace std;
using namespace std::chrono;
// #pragma GCC target ("avx2")
// #pragma GCC optimization ("O3")
// #pragma GCC optimization ("unroll-loops")
// #pragma optimization_level 3
// #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define f0r(a, b) for (long long a = 0; a < (b); a++)
#define f1r(a, b, c) for (long long a = (b); a < (c); a++)
#define f0rd(a, b) for (long long a = (b); a >= 0; a--)
#define f1rd(a, b, c) for (long long a = (b); a >= (c); a--)
#define ms(arr, v) memset(arr, v, sizeof(arr))
#define pb push_back
#define io {ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);}
#define mp make_pair
#define f first
#define s second
#define presum(p, a, n) {p[0] = a[0]; for (int i = 1; i < (n); i++) p[i] = a[i] + p[i-1];}
#define all(v) v.begin(), v.end()
#define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define readgraph(list, edges) for (int i = 0; i < edges; i++) {int a, b; cin >> a >> b; a--; b--; list[a].pb(b); list[b].pb(a);}
#define ai(a, n) for (int ele = 0; ele < n; ele++) cin >> a[ele];
#define ain(a, lb, rb) for (int ele = lb; ele <= rb; ele++) cin >> a[ele];
#define ao(a, n) {for (int ele = 0; ele < n; ele++) { if (ele) cout << " "; cout << a[ele]; } cout << '\n';}
#define aout(a, lb, rb) {for (int ele = lb; ele <= rb; ele++) { if (ele > lb) cout << " "; cout << a[ele]; } cout << '\n';}
typedef long long ll;
typedef double ld;
typedef long double lld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v);
template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v) {
cout << "["; for(int i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";
}
template<typename A, typename B> istream& operator>>(istream& cin, pair<A, B> &p) {
cin >> p.first;
return cin >> p.second;
}
// template<typename A, typename B> ll max(A x, B y) {
// return x > y ? x : y;
// }
// template<typename A, typename B> ll min(A x, B y) {
// return x < y ? x : y;
// }
mt19937 rng(steady_clock::now().time_since_epoch().count());
/* usage - just do rng() */
void usaco(string filename) {
// #pragma message("be careful, freopen may be wrong")
freopen((filename + ".in").c_str(), "r", stdin);
freopen((filename + ".out").c_str(), "w", stdout);
}
const lld pi = 3.14159265358979323846;
const ll mod = 1000000007;
// const ll mod = 998244353;
struct kthSeg {
vector<int> on;
vector<ll> vals;
void init(int n) {
on = vector<int>(4 * n, 0);
vals = vector<ll>(4 * n, 0);
}
pair<int, ll> update(int i, int tl, int tr, int loc, int val) {
if (loc < tl || loc > tr) return mp(on[i], vals[i]);
if (tl == tr) {
on[i] = 1;
vals[i] = val;
return mp(1, val);
}
int mid = (tl + tr) / 2;
pair<int, ll> a = update(2 * i + 1, tl, mid, loc, val);
pair<int, ll> b = update(2 * i + 2, mid + 1, tr, loc, val);
on[i] = a.f + b.f;
vals[i] = a.s + b.s;
return mp(a.f + b.f, a.s + b.s);
}
pair<int, ll> getK(int i, int tl, int tr, int k) {
if (tl == tr) {
if (k == 0) return mp(0, 0);
return mp(on[i], vals[i]);
}
int mid = (tl + tr) / 2;
pair<int, ll> a = getK(2 * i + 1, tl, mid, k);
if (a.f < k) {
pair<int, ll> b = getK(2 * i + 2, mid + 1, tr, k - a.f);
return mp(a.f + b.f, a.s + b.s);
}
return a;
}
};
// namespace interactor {
// }
// using namespace interactor;
// ll findMaxAttraction(int n, int start, int d, int att[]);
// int main() {
// int d = 5;
// int att[4] = {1, 7, 3, 8};
// cout << findMaxAttraction(4, 0, d, att) << endl;
// }
#include "city.h"
ll n, m, k, q, Q, T, l, r, x, y, z;
ll a[1000005];
ll b[1000005];
ll c[1000005];
string s, t;
ll ans = 0;
pair<ll, int> asort[100005];
kthSeg st;
map<pair<ll, int>, int> locs;
ll findMaxAttraction(int n, int start, int d, int att[]) {
f0r(i, n) {
asort[i].f = att[i];
asort[i].s = i;
}
sort(asort, asort + n);
f0r(i, n) locs[asort[i]] = n - 1 - i;
st.init(n);
ll mx = 0;
f0r(i, n) {
--d;
st.update(0, 0, n - 1, locs[mp(att[i], i)], att[i]);
mx = max(mx, st.getK(0, 0, n - 1, d).s);
}
return mx;
}
// int main() {
// io;
// // freopen("case", "r", stdin);
// // freopen("test.txt", "r", stdin);
// // freopen("case", "w", stdout);
// // freopen("file.in", "r", stdin);
// // usaco("file");
// }