Submission #1033625

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033625		quannnguyen2009	Stove (JOI18_stove)	C++14	100 / 100	21 ms	1504 KiB

stove

#include <bits/stdc++.h>
 
using namespace std;
 
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
 
int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);
 
	int N, K; cin >> N >> K;
	vector<int> T(N);
	for (int i = 0; i < N; ++i) {
		cin >> T[i];
	}
	vector<int> cands;
	for (int i = 0; i + 1 < N; ++i) {
		cands.push_back(T[i + 1] - T[i] - 1);
	}
	sort(cands.begin(), cands.end());
	cout << N + accumulate(cands.begin(), cands.begin() + N - K, 0LL);
	return 0;
}

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