제출 #1325281

#제출 시각아이디문제언어결과실행 시간메모리
1325281x_aStove (JOI18_stove)C++20
100 / 100
40 ms2320 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; int main(){ ll n, k; cin >> n >> k; vector<ll> a(n + 1); vector<ll> b; for(ll i = 1; i <= n; i ++){ cin >> a[i]; if(i > 1){ b.push_back(a[i] - a[i - 1] - 1); } } sort(b.begin(), b.end()); ll ans = 0; for(ll i = 0; i < n - k; i ++){ ans += b[i]; } cout << ans + n << endl; }
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