제출 #678044

#제출 시각아이디문제언어결과실행 시간메모리
678044vjudge1Stove (JOI18_stove)C++98
0 / 100
1 ms1104 KiB
#include <bits/stdc++.h> using namespace std; deque <int> d; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long n , k, a[100005], ans=0; cin >> n >> k; if(k==1){ cout<<n; return 0; } for(int i=1; i<=n; i++){ cin >> a[i]; } ans=a[1]-1; for(int i=2; i<n; i++){ d.push_back(a[i]-a[i-1]); } sort(d.begin(), d.end()); for(int i=0; i<k; i++){ ans+=d[i]; } cout<<a[n] - ans; return 0; }
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