Submission #1228736

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228736		haiduong	Stove (JOI18_stove)	C++20	0 / 100	0 ms	324 KiB

stove

#include<bits/stdc++.h>
using namespace std;
#define int long long
int const N=2e5+10;
int g[N];
int t[N];
vector<int> ok;
signed main()
{
    cin.tie(0)->sync_with_stdio(false);
    int n,k;
    cin>>n>>k;
    int l=0;
    for(int i=1;i<=n;i++){
        cin>>t[i];
        l=max(l,t[i]);
    }
//    cout<<l;
    int bat=1; ///luon bat o thoi diem ban dau
    for(int i=1;i<=n;i++){
        g[i]=max(g[i],t[i+1]-(t[i]+1));
        if(g[i]>0){
            ok.push_back(g[i]);
        }
    }
    sort(ok.begin(),ok.end(),greater<int>());
//    for(auto x:ok) cout<<x<<" ";
    for(auto x:ok){
        bat++;
        if(bat<=k){
            l-=x;
        }
    }
    cout<<l<<" ";
    if(bat==1) cout<<l;
    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50