제출 #375586

#제출 시각아이디문제언어결과실행 시간메모리
375586valerikkStove (JOI18_stove)C++17
100 / 100
23 ms2416 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; int main() { #ifdef LOCAL freopen("input.txt", "r", stdin); #endif ios::sync_with_stdio(false); cin.tie(0); int n, k; cin >> n >> k; vector<int> t(n); for (int i = 0; i < n; ++i) cin >> t[i]; ll need = t[n - 1] - t[0] + 1; vector<int> arr; for (int i = 1; i < n; ++i) arr.push_back(t[i] - t[i - 1] - 1); sort(arr.rbegin(), arr.rend()); for (int i = 0; i < k - 1; ++i) need -= arr[i]; cout << need << endl; return 0; }
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