Submission #383072

#	Time	Username	Problem	Language	Result	Execution time	Memory
383072		MODDI	Stove (JOI18_stove)	C++14	100 / 100	54 ms	2156 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define ll long long
signed main(){
    ll n, k; cin >> n >> k;
    ll diff[n-1], x, y; 
	cin >> x;
    for(int i=0; i<n-1; ++i){
    	cin >> y;
    	diff[i] = y-x-1;
    	x = y;
    }
    sort(diff, diff+n);
    ll ans = 0;
    for(int i=0; i<n-k; ++i) ans += diff[i];
    cout << ans+n;
}

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