제출 #1277246

#제출 시각아이디문제언어결과실행 시간메모리
1277246jenterjongle45Stove (JOI18_stove)C++20
100 / 100
14 ms1072 KiB
#include<bits/stdc++.h> using namespace std; using ll = long long; using pii=pair<ll,ll>; int main(){ cin.tie(0)->sync_with_stdio(0); int n,k,L,D,sum;cin>>n>>k>>L; if(n==1){ cout<<1; return 0; } D=L; vector<int> a; for(int i=1;i<n;i++){ int x;cin>>x; a.push_back(x-L-1); L=x; if(i==n-1) sum=x-D+1; } sort(a.begin(),a.end(),greater<int>()); k--; for(int i=0;i<n-1&&k>0;k--,i++) sum-=a[i]; cout<<sum; }
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