| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 537302 |
2022-03-14T22:51:35 Z |
crystaalroo |
Hacker (BOI15_hac) |
C++14 |
|
0 ms |
212 KB |
#include <bits/stdc++.h>
#define f first
#define s second
#define fore(i,a,b) for(int i = (a), ThxMK = (b); i < ThxMK; ++i)
#define pb push_back
#define all(s) begin(s), end(s)
#define _ ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define sz(s) int(s.size())
#define ENDL '\n'
#define vv(type, name, h, ...) vector<vector<type>> name(h, vector<type>(__VA_ARGS__))
#define vvv(type, name, h, w, ...) vector<vector<vector<type>>> name(h, vector<vector<type>>(w, vector<type>(__VA_ARGS__)))
using namespace std;
long long gcd(long long a, long long b){ return b? gcd(b, a%b) : a; }
long long lcm(long long a, long long b){ return (!a or !b)? 0 : a * b / gcd(a,b); }
long long poww(long long a, long long b){
long long res = 1;
while(b){
if(b%2) res = res * a ;
a = a * a; b>>=1;
} return res;
}
// mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// int rnd(int n){return uniform_int_distribution<int>(0, n-1)(rng);}
template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2;
template<class t,class u>bool mmax(t&a,u b){if(a<b)a=b;return a<b;}
template<class t,class u>bool mmin(t&a,u b){if(b<a)a=b;return b<a;}
template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;
using li = long long;
using vi = vc<int>;
using ii = pair<int,int>;
// ('-')7
int main(){_
auto solve=[&](){
int n; cin>>n;
vi v(n); fore(i,0,n)cin>>v[i];
vi l(2*n,0),r(2*n,0);
fore(i,0,2*n){
if(i)l[i]+=l[i-1];
l[i]+=v[i%n];
}
int best = 0;
fore(i,0,n){
int u = (n-1)/2;
//cout<<v[i]+min(l[n+i-1]-l[n+i-1-u],l[i+u]-l[i])<<ENDL;
best = max(best,v[i]+min(l[n+i-1]-l[n+i-1-u],l[i+u]-l[i]));
}
cout<<best<<ENDL;
};
//int t; cin>>t; while(t--)
solve();
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
