제출 #1290424

#제출 시각아이디문제언어결과실행 시간메모리
1290424dirtblockStove (JOI18_stove)C++20
100 / 100
41 ms2340 KiB
#include <bits/stdc++.h> #define int long long using namespace std; int32_t main() { int n,k; cin>>n>>k; vector<int> a(n); for(int i=0; i<n; i++) cin>>a[i]; vector<int> b; for(int i=1; i<n; i++) b.push_back(a[i]-a[i-1]-1); sort(b.begin(),b.end()); reverse(b.begin(),b.end()); int ans=a[n-1]-a[0]+1; for(int i=0; i<k-1; i++) ans-=b[i]; cout<<ans; return 0; }
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