Submission #1119622

#	Time	Username	Problem	Language	Result	Execution time	Memory
1119622		thangdz2k7	CONSUL (info1cup19_consul)	C++17	15 / 100	77 ms	336 KiB

consul

// author : thembululquaUwU
// 3.9.2024

#include <bits/stdc++.h>
#include "grader.h"
#define pb push_back
#define fi first
#define se second
#define endl '\n'

using namespace std;
using ll = long long;
using ii = pair <int, int>;
using vi = vector <int>;

const int N = 1e6;
const int mod = 1e9 + 7;

void maxl(auto &a, auto b) {a = max(a, b);}
void minl(auto &a, auto b) {a = min(a, b);}

mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count());
#define rand rd

void solve(int n){
    srand(time(NULL));

    vector <int> ap;

    for (int loops = 1; loops <= min(60, n); ++ loops){
        int i = rd() % n + 1;
        i = loops;
        int v = kth(i);
        ap.push_back(v);
    }

    sort(ap.begin(), ap.end());
    int can = 0, num = 0, mx = 0;
    for (int i = 0; i < ap.size(); ++ i){
        num ++;
        if (i + 1 == int(ap.size()) || ap[i] != ap[i + 1]){
            if (num > mx){
                mx = num;
                can = ap[i];
            }
            num = 0;
        }
    }

    if (mx * 3 > n){
        say_answer(can);
    }
    else say_answer(-1);
}

//int main(){
//    if (fopen("pqh.inp", "r")){
//        freopen("pqh.inp", "r", stdin);
//        freopen("pqh.out", "w", stdout);
//    }
//    ios_base::sync_with_stdio(0);
//    cin.tie(0); cout.tie(0);
//
//    int t = 1; // cin >> t;
//    while (t --) solve();
//    return 0;
//}

Compilation message (stderr)

consul.cpp:19:11: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   19 | void maxl(auto &a, auto b) {a = max(a, b);}
      |           ^~~~
consul.cpp:19:20: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   19 | void maxl(auto &a, auto b) {a = max(a, b);}
      |                    ^~~~
consul.cpp:20:11: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void minl(auto &a, auto b) {a = min(a, b);}
      |           ^~~~
consul.cpp:20:20: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void minl(auto &a, auto b) {a = min(a, b);}
      |                    ^~~~
consul.cpp: In function 'void solve(int)':
consul.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for (int i = 0; i < ap.size(); ++ i){
      |                     ~~^~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 0 / 20
• Subtask 3: 0 / 65