Submission #516006

#	Time	Username	Problem	Language	Result	Execution time	Memory
516006		Theo830	Mean (info1cup19_mean)	C++17	0 / 100	0 ms	204 KiB

mean

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
int main(void){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n;
    cin>>n;
    vll arr(n);
    f(i,0,n){
        cin>>arr[i];
    }
    while(n != 1){
        ll sum = 1e18;
        f(i,0,n-1){
            sum = min(sum,arr[i] + arr[i+1]);
        }
        f(i,0,n-1){
            if(arr[i] + arr[i+1] == sum){
                arr.erase(arr.begin() + i);
                arr.erase(arr.begin() + i);
                arr.insert(arr.begin() + i,sum / 2);
            }
        }
        n--;
    }
    cout<<arr[0]<<"\n";
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70