Submission #572662

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
572662	2022-06-04 23:51:50	perchuts	Cake 3 (JOI19_cake3)	C++17	100 / 100	924 ms	186700 KiB

cake3

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#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define sz(x) (int) x.size()
#define endl '\n'
#define pb push_back
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ii = pair<int,int>;
using iii = tuple<int,int,int>;
const ll inf = 1e18;
const int mod = 1e9+7;
const int maxn = 2e5+100;
template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; }
template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; }
ll custo[maxn], valor[maxn], best = -inf;
vector<int>ordc, ordv;
int n,m, pos[maxn];
//seg persistente é a unica solve que eu pensei...
//seg[i] guarda a raiz da seg pos eu conto as frequencias do prefixo ate i
//simplesmente fazer uma busca somando seg[md] e tirando seg[i] e pegar o (m-2)-ésimo maior elemento, depois
//somo todo mundo. nlog^2, mas tem constante mt fudida por causa da persistencia
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76