제출 #1033688

#제출 시각아이디문제언어결과실행 시간메모리
1033688vjudge1Stove (JOI18_stove)C++17
100 / 100
14 ms2140 KiB
#include<bits/stdc++.h> using namespace std; #define int long long int n, a[100005], k; void solve() { cin >> n >> k; vector<int> v; for (int i = 1; i <= n; i++) { cin >> a[i]; if(i > 1) v.push_back(a[i]-a[i-1]); } int res = a[n]-a[1]+k; sort(v.begin(), v.end(), greater<>()); k--; for (int i = 0; i < k; i++) res -= v[i]; cout << res; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t = 1; // cin >> t; while(t--) { solve(); } }
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