Submission #1147746

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147746		arjunphanse	Stove (JOI18_stove)	C++17	0 / 100	0 ms	320 KiB

stove

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

typedef long long ll;
#define dbg(x) cerr << #x << ": " << (x) << endl;

int diff[100000];

int main() {
    int n, k;
    cin >> n >> k;
    int ans = 0;
    int last = 0;
    for (int i = 0; i < n; i++) {
        int x;
        cin >> x;
        ans++;
        if(i == 0) {
            last = x;
            continue;
        }
        diff[i-1] = x - last;
    }
    sort(diff, diff+n-1);
    for (int i = 0; i < n - k; i++) {
        ans += diff[i] - 1;
    }
    cout << ans;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50