Submission #950480

#	Time	Username	Problem	Language	Result	Execution time	Memory
950480		star	Stove (JOI18_stove)	C++14	100 / 100	16 ms	1904 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define N 100005
int n, k, x, y, t, sum;
int cha[N];//差
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    cin >> n >> k;
    cin >> y;
    for (int i=1;i<n;i++)
    {
        x=y;
        cin >> y;
        cha[i]=(y-x-1);
        //cout << "cha " << i << " : " << cha[i] << '\n';
    }
    sort(cha+1,cha+n);
    sum=n;
    x=1;
    while (k<n)
    {
        sum+=cha[x];
        x++;
        k++;
    }
    cout << sum << '\n';
    return 0;
}

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