제출 #928162

#제출 시각아이디문제언어결과실행 시간메모리
928162asdasdqwerStove (JOI18_stove)C++14
100 / 100
34 ms3348 KiB
#include <bits/stdc++.h> using namespace std; #define int int64_t #define pii array<int,2> signed main() { int n,k;cin>>n>>k; vector<int> t(n); for (auto &x:t)cin>>x; vector<int> dif; for (int i=1;i<n;i++) { dif.push_back(t[i]-t[i-1]-1); } sort(dif.begin(), dif.end()); reverse(dif.begin(), dif.end()); int res=0; for (int i=n;i>k;i--) { res += dif.back();dif.pop_back(); } res += n; cout<<res<<"\n"; }
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