Submission #1045636

#	Time	Username	Problem	Language	Result	Execution time	Memory
1045636		ezzzay	Skyline (IZhO11_skyline)	C++14	0 / 100	0 ms	440 KiB

skyline

#include<bits/stdc++.h>
using namespace std;
#define int  long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
vector<int>ans;
int a[N];
signed main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    int k=0;
    for(int i=1;i<=n-2;i++){
        int h=min({a[i],a[i+1],a[i+2]});
        k+=h*7;
        a[i]-=h;
        a[i+1]-=h;
        a[i+2]-=h;
    }
    for(int i=1;i<=n-1;i++){
        int h=min(a[i],a[i+1]);
        k+=h*5;
        a[i]-=h;
        a[i+1]-=h;
    }
    for(int i=1;i<=n;i++){
        k+=a[i]*3;
    }
    cout<<k;
}

• Subtask 1: 0 / 100