Submission #1292442

#	Time	Username	Problem	Language	Result	Execution time	Memory
1292442		olympolymp	Stove (JOI18_stove)	C++20	100 / 100	15 ms	1488 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int ali, gs;
    cin >> ali >> gs;

    vector<int> bjk(ali);
    for (int i = 0; i < ali; i++) { cin >> bjk[i]; }

    long long sivas = bjk[ali - 1] - bjk[0] + 1;
    vector<int> ts;

    for (int i = 0; i < ali - 1; i++) { ts.push_back(bjk[i + 1] - bjk[i] - 1); }

    sort(ts.rbegin(), ts.rend());

    for (int i = 0; i < gs - 1 && i < ts.size(); i++) { sivas -= ts[i]; }

    cout << sivas << "\n";
    return 0;
}

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