제출 #532525

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
532525	2022-03-03 05:02:16	rk42745417	Stove (JOI18_stove)	C++17	100 / 100	21 ms	2048 KiB

stove

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#include <bits/stdc++.h>
using namespace std;
#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using uint = uint32_t;
using ull = uint64_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const double EPS = 1e-8;
const ll LINF = ll(4e18) + ll(2e15);
static int LamyIsCute = []() {
  EmiliaMyWife
  return 48763;
}();
signed main() {
  int n, k;
  cin >> n >> k;
  vector<int> arr(n);
  for(auto &a : arr)
    cin >> a;
  vector<int> owo(n - 1);
  for(int i = 0; i < n - 1; i++)
    owo[i] = arr[i + 1] - arr[i] - 1;
  sort(owo.begin(), owo.end(), greater<int>());
  cout << arr.back() - arr[0] + 1 - accumulate(owo.begin(), owo.begin() + k - 1, 0) << '\n';
}
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50