Submission #1243061

#	Time	Username	Problem	Language	Result	Execution time	Memory
1243061		Circling	Stove (JOI18_stove)	C++20	100 / 100	11 ms	1228 KiB

stove

#include <iostream>
#include <iomanip>
#include <utility>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <algorithm>
#include <cmath>
#include <cstdint>
using namespace std;


int64_t n, k, a, last, diff[99999], ans;


int main(){
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    cin >> n >> k >> last;
    for (int i = 0; i < n - 1; i++){
        cin >> a;
        diff[i] = a - last - 1;
        last = a;
    }
    sort(diff, diff + n - 1);
    ans = n;
    for (int i = 0; i < n - k; i++) ans += diff[i];
    cout << ans;
}

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