제출 #647976

#제출 시각아이디문제언어결과실행 시간메모리
647976rohith_231Stove (JOI18_stove)C++17
100 / 100
28 ms2076 KiB
#include<bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int n,k; cin>>n>>k; vector<int>arr(n); for(int i=0;i<n;i++) cin>>arr[i]; vector<int>diff(n-1); for(int i=0;i<n-1;i++) { diff[i] = arr[i+1]-arr[i]-1; } sort(diff.begin(),diff.end(),greater<int>()); int res = arr[n-1]+1-arr[0]; for(int i=0;i<k-1;i++) res-=diff[i]; cout<<res<<endl; return 0; }
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