Submission #1125368

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125368		phoop	Stove (JOI18_stove)	C++20	100 / 100	16 ms	1096 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int a[1000100],b[1000100];
int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n,k,mx=INT_MIN,mn=INT_MAX; cin>>n>>k;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        mx=max(mx,a[i]);
        mn=min(mn,a[i]);
        if(i>1){
            b[i-1]=a[i]-a[i-1]-1;
        }
    }
    sort(b+1,b+n+1,greater<int>());
    int total=(mx+1-mn);
    for(int i=1;i<=k-1;i++) total-=b[i];
    cout<<total;
    return 0;
}

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