제출 #319448

#제출 시각아이디문제언어결과실행 시간메모리
319448vojinStove (JOI18_stove)C++14
100 / 100
26 ms2304 KiB
#include <bits/stdc++.h> #define FOR(n) for(int i = 0; i < n; i++) #define ll long long using namespace std; int n,k,a[100000],b[100000]; int main() { ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);cerr.tie(0); cin >> n >> k; FOR(n) cin >> a[i]; sort(a,a+n); int ans = n; int m = 1; for(int i = 0; i < n -1;i ++) {b[i] = a[i+1]-a[i]-1;if(b[i]!=0)m++;} sort(b,b+n-1); int j = 0; int cnt = 0; while(cnt<m-k){ if(b[j]!=0) ans += b[j],cnt++; j++; } cout << ans << endl; }
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