Submission #1033560

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033560		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	15 ms	1064 KiB

stove

#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define all(v) begin(v), end(v)
#define pi pair<int, int>
#define vi vector<int>
using namespace std;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, k, x, p;
    vector<int> v;
    cin >> n >> k;
    for(int i = 1; i <= n; i++){
        cin >> x;
        if(i > 1) v.push_back(x - p - 1);
        p = x;
    }
    sort(v.begin(), v.end());
    int res = n;
    for(int i = 0; i < n-k; i++) res += v[i];
    cout << res;
    return 0;
}

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