제출 #1257241

#제출 시각아이디문제언어결과실행 시간메모리
1257241ykc0606Stove (JOI18_stove)C++20
100 / 100
13 ms2244 KiB
#include <bits/stdc++.h> #define int long long #define MAXN 200001 using namespace std; int32_t main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n,k; cin >> n >> k; vector<int> t(n+1,0),v; for(int i=1;i<=n;i++)cin >> t[i]; for(int i=2;i<=n;i++)v.push_back(t[i]-t[i-1]-1); sort(v.begin(),v.end()); int ans=n; for(int i=0;i<n-k;i++)ans+=v[i]; cout << ans << "\n"; return 0; }
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