Submission #1985837
Source Code Expand
#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define FORR(i,a,b) for (int i=(a);i>=(b);i--)
#define pb push_back
#define pcnt __builtin_popcount
#define show(x) cout<<#x<<" = "<<x<<endl;
#define maxs(x,y) x = max(x,y)
#define mins(x,y) x = min(x,y)
#define fi first
#define se second
#define rng(a) (a.begin()),(a.end())
#define each(it,c) for(__typeof((c).begin()) it=(c).begin();it!=(c).end();it++)
#define sz(x) (int)(x).size()
#define mp make_pair
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef set<int> si;
typedef pair<ll,ll> pll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<pll> vpll;
typedef set<ll> sl;
typedef __int128_t lll;
typedef pair<lll,lll> plll;
typedef vector<lll> vlll;
template<typename T>string join(vector<T>&v)
{stringstream s;FOR(i,0,sz(v))s<<' '<<v[i];return s.str().substr(1);}
ll gcd(ll a,ll b){if(a>b)swap(a,b);for(;a>0;b%=a,swap(a,b));return b;}
int modpow(ll a,ll n,int m){if(a==0)return a;ll p=1;for(;n>0;n/=2,a=a*a%m)if(n&1)p=p*a%m;return(int)p;}
void dout(double d){printf("%.12f\n",d);}
const int iinf = 1e9;
const ll linf = 1e18;
const int mod = 1e9+7;
const double pi = acos(-1);
const double eps = 1e-10;
int n, a;
map<ll, ll> m;
main(){
cin.tie(0);
ios::sync_with_stdio(false);
cin >> n;
FOR(i, 0, n){
cin >> a;
if(m.find(a) == m.end()) m[a] = 0;
m[a]++;
}
bool b = false;
ll l;
for(map<ll, ll>::reverse_iterator itr = m.rbegin(); itr != m.rend();){
if(itr->se > 1){
if(b){
cout << l * itr->fi << endl;
return 0;
}
b = true;
l = itr->fi;
itr->se -= 2;
continue;
}
itr++;
}
cout << 0 << endl;
return 0;
}
Submission Info
Submission Time |
|
Task |
C - Make a Rectangle |
User |
char134217728 |
Language |
C++14 (GCC 5.4.1) |
Score |
300 |
Code Size |
1861 Byte |
Status |
AC |
Exec Time |
64 ms |
Memory |
6528 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
300 / 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 |
54 ms |
4608 KB |
2.txt |
AC |
7 ms |
256 KB |
3.txt |
AC |
64 ms |
6528 KB |
4.txt |
AC |
45 ms |
2816 KB |
5.txt |
AC |
7 ms |
256 KB |
6.txt |
AC |
14 ms |
256 KB |
7.txt |
AC |
13 ms |
256 KB |
8.txt |
AC |
6 ms |
256 KB |
9.txt |
AC |
30 ms |
3456 KB |
sample1.txt |
AC |
1 ms |
256 KB |
sample2.txt |
AC |
1 ms |
256 KB |
sample3.txt |
AC |
1 ms |
256 KB |