Submission #1247997

#TimeUsernameProblemLanguageResultExecution timeMemory
1247997lrnnzTeams (IOI15_teams)C++20
34 / 100
4090 ms16276 KiB
#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <queue>
#include <random>
#include "teams.h"
using namespace std;

#define all(a) (a).begin(), (a).end()
#define ll long long
#define ld long double
#define ui uint64_t
#define cont(set, element) ((set).find(element) != (set).end())
#define pb push_back

#define chmin(x, y) (x = min(x, y)) 
#define chmax(x, y) (x = max(x, y))

/********* DEBUG *********/

template <typename T>
void outvec(const vector<T>& Z){
    for (const T& x : Z)
    cout << x << ' ';
    cout << "\n";
}
void printVariable(const any& var) {
    if (!var.has_value()) {
        cout << "null";
        return;
    }

    if (var.type() == typeid(int)) {
        cout << any_cast<int>(var);
    } else if (var.type() == typeid(double)) {
        cout << any_cast<double>(var);
    } else if (var.type() == typeid(float)) {
        cout << any_cast<float>(var);
    } else if (var.type() == typeid(char)) {
        cout << any_cast<char>(var);
    } else if (var.type() == typeid(bool)) {
        cout << (any_cast<bool>(var) ? "true" : "false");
    } else if (var.type() == typeid(string)) {
        cout << any_cast<string>(var);
    } else if (var.type() == typeid(const char*)) {
        cout << any_cast<const char*>(var);
    } else if (var.type() == typeid(long long)) {
        cout << any_cast<long long>(var);
    } else {
        cout << "[unknown type]";
    }
}


template<typename... Args>
void outval(Args... args) {
    vector<any> variables = {args...};
    
    for (size_t i = 0; i < variables.size(); ++i) {
        printVariable(variables[i]);
        if (i != variables.size() - 1) {
            cout << " ";
        }
    }
    cout << "\n";
}

#define sp << " " <<
#define fi first
#define se second

/********* DEBUG *********/

const ll MOD2 = 1e9 + 7;
const ll MOD = 998244353;
const ll inf = 1e18;

vector<pair<int,int>> childs;
int n;
void init(int N, int A[], int B[]) {
    childs.resize(N);
    for (int i = 0; i < N; i++){
        childs[i] = {A[i], B[i]};
    }

    n = N;
    sort(all(childs));
}

int can(int M, int K[]) {
    vector<int> teams;
    for (int i = 0; i < M; i++){
        teams.pb(K[i]);
    }

    sort(all(teams));
    priority_queue<ll, vector<ll>, greater<>> open;

    ll p = 0;
    for (int i = 0; i < M; i++){
        while (p < n && childs[p].first <= teams[i])
            open.push(childs[p++].second);

        while (open.size() && open.top() < teams[i])
            open.pop();
        
        ll have = 0;
        while (have < teams[i] && open.size()){
            have++;
            open.pop();
        }

        if (have < teams[i])
            return 0;
    }

    return 1;
}
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