Submission #127225

#	Time	Username	Problem	Language	Result	Execution time	Memory
127225		Licht	Stove (JOI18_stove)	C++14	100 / 100	91 ms	1524 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define vt vector
#define pb push_back
#define pob pop_back
#define vi vt<int>
#define vvi vt<vi>
#define vii vt<ii>
#define vvii vt<vii>
typedef long long ll;
#define For(i,a,b) for(int i = a; i < b; i++)
#define foR(i,a,b) for(int i = a; i <= b; i++)
#define roF(i,a,b) for(int i = a - 1; i >= b; i--)
#define Rof(i,a,b) for(int i = a; i >= b; i--)
priority_queue<int, vt<int>, greater<int> > pq;
signed main (){
	/*
	freopen(".inp","r",stdin);
	freopen(".out","w",stdout);
	*/
	int n, k, a, b;
	cin >> n >> k;
	cin >> b;
	For(i,1,n){
		cin >> a;
		pq.push(a-b-1);
		b = a;
	}
	int sum = n;
	For(i,k,n){
		sum += pq.top();
		pq.pop();
	}
	cout << sum;
}

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