제출 #1257792

#제출 시각아이디문제언어결과실행 시간메모리
1257792farbetterStove (JOI18_stove)C++20
100 / 100
12 ms1096 KiB
#include <bits/stdc++.h> using namespace std; #define fast_io ios::sync_with_stdio(false); cin.tie(nullptr); int main() { fast_io; int n, k; cin >> n >> k; vector<int> v(n); for(int i = 0; i < n; i++) cin >> v[i]; vector<int> p(n - 1); for(int i = 1; i < n; i++) { p[i - 1] = v[i] - v[i - 1] - 1; } long long ans = 0; sort(p.begin(), p.end()); for(int i = 0; i < n - k; i++) ans += p[i]; cout << ans + n; return 0; }
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