Submission #754604

#	Time	Username	Problem	Language	Result	Execution time	Memory
754604		TsotneSV	Stove (JOI18_stove)	C++14	100 / 100	25 ms	1368 KiB

stove

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

#define ff first
#define ss second
#define pii pair<int,int>
#define pb push_back
#define eb emplace_back
#define ins insert
#define endl "\n"
#define flush fflush(stdout)
#define deb(x) cout<<(x)<<endl
#define all(x) (x).begin(),(x).end()
#define dbg(x) cout<<#x<<" "<<x<<endl
const ll INF=1e18,MOD=1e9+7,MAXN=1e5+5;

int tt=1,n,k;
void solve(){
	cin>>n>>k; int A[n]; priority_queue<int> pq;
	
	for(int i=0;i<n;i++) {
		cin>>A[i];
	} sort(A,A+n);
	
	for(int i=1;i<n;i++) pq.push(A[i] - A[i-1]);
	int ans = 1; k--;
	while(k) {
		ans++;
		pq.pop(); k--;
	}
	
	while(pq.size()) {
		ans += pq.top(); pq.pop();
	} deb(ans);
	
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
   // cin>>tt;
    while(tt--){
        solve();
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50