Submission #797885

#	Time	Username	Problem	Language	Result	Execution time	Memory
797885		MVP_Harry	Stove (JOI18_stove)	C++17	0 / 100	0 ms	324 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define INF 0x3f3f3f3f
#define ll long long
#define rep(i, m, n) for (int i = m; i <= n; i++)
#define per(i, m, n) for (int i = m; i >= n; i--)

const int maxn = 1e5 + 5;

int n, k;
int a[maxn];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    cin >> n >> k;
    
    vector<int> d;
    cin >> a[1];
    rep(i, 2, n) {
        cin >> a[i];
        d.push_back(a[i] - a[i - 1] - 1);
    }

    int ans = a[n] - a[1] + 1;
    sort(begin(d), end(d), greater<int>());
    rep(i, 1, n - 1) {
        ans -= d[i - 1];
    }

    cout << ans << endl;
    
    return 0;
}

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