Submission #963071

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
963071	2024-04-14 12:58:15	RaresFelix	Chorus (JOI23_chorus)	C++17	100 / 100	1045 ms	99460 KiB

chorus

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#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("avx,avx2,fma")
#define sz(x) int((x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
using namespace std;
using ll = long long;
using ld = long double;  // or double, if TL is tight
using str = string; 
using ii = pair<int, int>;
using pl = pair<ll, ll>;
using vi = vector<int>;
using vll = vector<ll>;
const ll INF = 1e18;
struct CHT {
    int p = 0;
    vector<tuple<ll, ll, int> > V;
    void insert(ll a, ll b, int cnt) { /// ax + b
        //a va scadea mereu
        while(V.size() > 1) {
            auto [a1, b1, c1] = V.end()[-1];
            auto [a2, b2, c2] = V.end()[-2];
            if((b2 - b) * (a1 - a2) <= (b2 - b1) * (a - a2)) {
                V.pop_back();
                p = min(p, int(V.size()) - 1);
 
 
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Compilation message (stderr)

chorus.cpp: In member function 'std::pair<long long int, int> CHT::query(ll)':
chorus.cpp:43:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::tuple<long long int, long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         while(p + 1 < V.size() && eval(p + 1) < eval(p)) ++p;
      |               ~~~~~~^~~~~~~~~~
chorus.cpp:39:12: warning: unused variable 're' [-Wunused-variable]
   39 |         ll re = INF;
      |            ^~

• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 21 / 21
• Subtask 4: 26 / 26
• Subtask 5: 13 / 13