제출 #206255

#제출 시각아이디문제언어결과실행 시간메모리
206255hhh07Stove (JOI18_stove)C++14
100 / 100
76 ms3056 KiB
#include <iostream> #include <algorithm> #include <vector> using namespace std; int main(){ int n, k; cin >> n >> k; long long t[n]; vector<long long> r; long long res = 0; for (int i = 0; i < n; i++){ cin >> t[i]; if (i > 0) r.push_back(t[i] - t[i - 1]); } sort(r.begin(), r.end()); for (int i = 0 ; i < n - k; i++){ res += r[i]; } cout << res + k << endl; return 0; }
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