제출 #936600

#제출 시각아이디문제언어결과실행 시간메모리
936600kitlixStove (JOI18_stove)C++17
100 / 100
18 ms2996 KiB
#include <bits/stdc++.h> #define int long long using namespace std; signed main() { ios_base::sync_with_stdio(0), cin.tie(0); int n, k; cin >> n >> k; k -= 1; vector<int> t(n); for (auto& el : t) cin >> el; sort(t.begin(), t.end()); vector<int> diffs; diffs.reserve(n); for (int i = 0; i + 1 < n; ++i) diffs.push_back(t[i + 1] - t[i] - 1); sort(diffs.begin(), diffs.end(), greater<>()); int rem = 0; for (int i = 0; i < k; ++i) rem += diffs[i]; cout << t.back() + 1 - t[0] - rem; }
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