Submission #347403

#	Time	Username	Problem	Language	Result	Execution time	Memory
347403		Iwanttobreakfree	Stove (JOI18_stove)	C++14	100 / 100	51 ms	2924 KiB

stove

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
long long int N,K,horatotal;
int main(){
	while(cin>>N>>K){
		vector <long long int> horainicio(N);
		vector <long long int> rangoespera(N-1);
	for(int a=0;a<N;a++){
		cin>>horainicio[a];
	}
	horatotal=horainicio[N-1]-horainicio[0]+1;
	for(int a=0;a<N-1;a++){
		rangoespera[a]=horainicio[a+1]-horainicio[a]-1;
	}
	sort(rangoespera.rbegin(),rangoespera.rend());
		
		for(int a=0;a<K-1;a++){
			horatotal-=rangoespera[a];
		}
	cout<<horatotal<<'\n';
}
return 0;
}

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