Submission #160191

#	Time	Username	Problem	Language	Result	Execution time	Memory
160191		BlueDiamond	Stove (JOI18_stove)	C++14	100 / 100	29 ms	2204 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main() {
        ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

        int n, k, ans;
        cin >> n >> k;
        vector <int> a(n), b(n - 1);

        for (int i = 0; i < n; i++)
                cin >> a[i];
        sort(a.begin(), a.end());
        for (int i = 0; i + 1 < n; i++)
                b[i] = a[i + 1] - a[i];

        sort(b.begin(), b.end());
        n -= k;

        for (int i = 0; i < n; i++)
                k += b[i];
        cout << k << "\n";
        return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:8:19: warning: unused variable 'ans' [-Wunused-variable]
         int n, k, ans;
                   ^~~

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