Submission #376457

#	Time	Username	Problem	Language	Result	Execution time	Memory
376457		astoria	Stove (JOI18_stove)	C++14	100 / 100	23 ms	2028 KiB

stove

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

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

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