제출 #1158796

#제출 시각아이디문제언어결과실행 시간메모리
1158796rdabaStove (JOI18_stove)C++17
0 / 100
0 ms524 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long int main() { ios::sync_with_stdio(0); cin.tie(0); ll n,k; cin >> n >> k; ll a[n+1],b[n+1],sum=0; k--; for (int i=1; i<=n; i++) { cin >> a[i]; if (i>1) b[i-1]=a[i]-a[i-1]; } sum=a[n]-a[1]+1; sort (b+1,b+n); reverse (b+1,b+n); for (int i=1; i<=k; i++) { sum-=b[i]; } cout << sum; }
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