Submission #916471

#	Time	Username	Problem	Language	Result	Execution time	Memory
916471		vjudge1	Stove (JOI18_stove)	C++11	100 / 100	44 ms	2380 KiB

stove

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

int N, K, A[100100], ans;
vector<int> v;

int main() 
{
    cin >> N >> K;
    for(int i=1; i<=N; i++) {
        cin >> A[i];
    }
    sort(A+1, A+N+1);
    for(int i=1; i<N; i++) {
        if (A[i+1] > A[i]+1) {
            v.push_back(A[i+1]-A[i]-1);
        }
    }
    sort(v.begin(), v.end(), greater<int>());
    for(int i=0; i<min(K-1,(int)v.size()); i++) {
        ans += v[i];
    }
    cout << A[N]-A[1]+1-ans << endl;
}

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