제출 #951953

#제출 시각아이디문제언어결과실행 시간메모리
951953SaMuEl0516Stove (JOI18_stove)C++17
100 / 100
21 ms2328 KiB
#include<bits/stdc++.h> using namespace std; vector<int>v; int t[(int)1e5+5]; int main(){ cin.tie(0)->sync_with_stdio(0); int n,k; cin>>n>>k; for(int i=0;i<n;i++){ cin>>t[i]; if(i)v.push_back(t[i]-t[i-1]-1); } sort(v.begin(),v.end(),greater<int>()); int sum=0; for(int i=0;i<k-1;i++)sum+=v[i]; cout<<t[n-1]+1-t[0]-sum; }
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