Submission #1333582

#	Time	Username	Problem	Language	Result	Execution time	Memory
1333582		YSH2020	Stove (JOI18_stove)	C++20	100 / 100	38 ms	1952 KiB

stove

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

#define int long long

signed main() {
    int n,m; cin >> n >> m;
    int a[n]; for (int i = 0; i < n; i++) cin >> a[i];
    int x = a[n-1]-a[0]+1;
    int b[n-1]; for (int i = 0; i < n-1; i++) b[i]=a[i+1]-a[i]-1;
    sort(b,b+n-1);
    reverse(b,b+n-1);
    for (int i = 0; i < m-1; i++) {
        x -= b[i];
    }    
    cout << x;
}

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