제출 #74054

#제출 시각아이디문제언어결과실행 시간메모리
74054Bodo171Stove (JOI18_stove)C++14
100 / 100
41 ms10384 KiB
#include <iostream> #include <algorithm> using namespace std; const int nmax=100005; int t[nmax],skip[nmax]; int n,k,i,ans; int main() { ios_base::sync_with_stdio(false); cin>>n>>k; for(i=1;i<=n;i++) { cin>>t[i]; } ans=t[n]-t[1]+1; for(i=1;i<n;i++) { skip[i]=t[i+1]-t[i]-1; } sort(skip+1,skip+n); for(i=n-1;i>=n-k+1;i--) ans-=skip[i]; cout<<ans; return 0; }
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