Submission #3187863
Source Code Expand
#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<(b);++i)
#define erep(i,a,b) for(int i=a;i<=(int)(b);++i)
#define per(i,a,b) for(int i=(a);i>(b);--i)
#define eper(i,a,b) for(int i=(a);i>=b;--i)
#define pb push_back
#define mp make_pair
#define INF (1<<30)-1
#define MOD 1000000007
#define all(x) (x).begin(),(x).end()
#define vii vector<int>
#define vll vector<long long>
using namespace std;
typedef long long ll;
typedef pair<int,int> Pii;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
int dy[]={0, 0, 1, -1};
int dx[]={1, -1, 0, 0};
int gcd(int a,int b){return b?gcd(b,a%b):a;}
int lcm(int a,int b){return a/gcd(a, b)*b;}
int n;
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
cin >> n;
map<ll, ll> a;
rep(i, 0, n) {
ll p; cin >> p;
a[p]++;
}
ll use = 0, ans = 0;
for (auto itr = a.begin(); itr != a.end(); ++itr) {
if (itr->second / 2 > 0) {
ans = max(ans, use * itr->first);
use = itr->first;
}
}
cout << ans << endl;
return 0;
}
Submission Info
Submission Time |
|
Task |
C - Make a Rectangle |
User |
kage |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
1182 Byte |
Status |
WA |
Exec Time |
47 ms |
Memory |
6528 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
0 / 300 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample1.txt, sample2.txt, sample3.txt |
All |
sample1.txt, sample2.txt, sample3.txt, 1.txt, 2.txt, 3.txt, 4.txt, 5.txt, 6.txt, 7.txt, 8.txt, 9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name |
Status |
Exec Time |
Memory |
1.txt |
AC |
41 ms |
4608 KB |
2.txt |
AC |
7 ms |
256 KB |
3.txt |
AC |
47 ms |
6528 KB |
4.txt |
AC |
34 ms |
2816 KB |
5.txt |
WA |
7 ms |
256 KB |
6.txt |
AC |
13 ms |
256 KB |
7.txt |
WA |
12 ms |
256 KB |
8.txt |
WA |
6 ms |
256 KB |
9.txt |
AC |
22 ms |
3456 KB |
sample1.txt |
AC |
1 ms |
256 KB |
sample2.txt |
AC |
1 ms |
256 KB |
sample3.txt |
AC |
1 ms |
256 KB |