제출 #717771

#제출 시각아이디문제언어결과실행 시간메모리
717771ToxtaqStove (JOI18_stove)C++17
100 / 100
19 ms2256 KiB
#include<bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, k; cin >> n >> k; vector<int>T(n); vector<int>diffs; cin >> T[0]; for(int i = 1;i < n;++i){ cin >> T[i]; diffs.push_back(T[i] - T[i - 1] - 1); } sort(diffs.begin(), diffs.end()); long long sum = T[n - 1] - T[0] + 1; for(int i = n - 2;i >= n - k;--i){ sum -= diffs[i]; } cout << sum; }
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