제출 #1029519

#제출 시각아이디문제언어결과실행 시간메모리
1029519nisanduuStove (JOI18_stove)C++14
100 / 100
37 ms3328 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; void solve(){ ll n,k; cin>>n>>k; vector<ll> v(n),arr; for(ll i=0;i<n;i++) cin>>v[i]; ll tot = v[n-1] - v[0] + 1; for(ll i=1;i<n;i++) arr.push_back(v[i] - v[i-1] - 1); sort(arr.begin(),arr.end(),greater<ll>()); for(ll i=0;i<(k-1);i++) tot -= arr[i]; cout<<tot<<endl; } int main() { solve(); return 0; }
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