Submission #1023165

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023165		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	17 ms	3352 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define nl "\n"
#define inf LONG_LONG_MAX
#define show(x); cerr << #x << " is " << x << nl;
#define show2(x,y); cerr << #x << " is " << x << " " << #y << " is " << y << nl;
#define show3(x,y,z); cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << nl;
#define showall(x); cerr << #x << " is "; for (auto i : x) {cerr << i << " ";} cerr << nl;

signed main(){
	fastio
    int n, k;
    cin >> n >> k;
    int t[n];
    for (int i=0; i<n; i++) cin >> t[i];
    sort(t, t+n);
    vector<int> gaps;
    for (int i=1; i<n; i++) gaps.push_back(t[i]-t[i-1]-1);
    sort(gaps.begin(), gaps.end());
    int sum = n;
    for (int i=0; i<n-k; i++) sum += gaps[i];
    cout << sum << nl;
	return 0;
}

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