Submission #211153

#	Time	Username	Problem	Language	Result	Execution time	Memory
211153		Seanliu	Stove (JOI18_stove)	C++14	100 / 100	83 ms	2420 KiB

stove

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int N, K;
vector<int> v, dif;

int main(){
	cin >> N >> K;
	v.resize(N);
	for(int i = 0; i < N; i++) cin >> v[i];
	sort(v.begin(), v.end());
	for(int i = 1; i < N; i++) dif.push_back(v[i] - v[i - 1]);
	sort(dif.begin(), dif.end(), greater<int>());
	int ans = v[N - 1] - v[0] + 1;
	for(int i = 0; i < K - 1; i++){
		ans -= (dif[i] - 1);	
	}
	cout << ans << endl;
}

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