Submission #459281

#	Time	Username	Problem	Language	Result	Execution time	Memory
459281		myvaluska	Stove (JOI18_stove)	C++14	100 / 100	61 ms	2320 KiB

stove

// pec.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
using namespace std;
int main()
{
    int n;
    int k;
    cin >> n;
    cin >> k;
    vector<int>v(n);
    for (int i = 0; i < n; i++)
    {
        cin >> v[i];
    }
    if (n==1)
    {
        cout << n << endl;
        return 0;
    }
    if (k == 1)
    {
        int vys = v[n - 1] - v[0];
        vys += 1;
        cout << vys << endl;
        return 0;
    }
    priority_queue<int>q;
    for (int i = 1; i < n; i++)
    {
        q.push(v[i] - v[i - 1] - 1);
    }
    int vys = v[n - 1] + 1 - v[0];
    for (int i = 1; i < k; i++)
    {
        vys -= q.top();
        q.pop();
    }
    cout << vys << endl;
    //std::cout << "Hello World!\n";
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50