Submission #951953

#	Time	Username	Problem	Language	Result	Execution time	Memory
951953		SaMuEl0516	Stove (JOI18_stove)	C++17	100 / 100	21 ms	2328 KiB

stove

#include<bits/stdc++.h>
using namespace std;
vector<int>v;
int t[(int)1e5+5];
int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n,k;
    cin>>n>>k;
    for(int i=0;i<n;i++){
        cin>>t[i];
        if(i)v.push_back(t[i]-t[i-1]-1);
    }
    sort(v.begin(),v.end(),greater<int>());
    int sum=0;
    for(int i=0;i<k-1;i++)sum+=v[i];
    cout<<t[n-1]+1-t[0]-sum;
}

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