比赛 |
20241129 |
评测结果 |
AAAAAAAAAA |
题目名称 |
平方 |
最终得分 |
100 |
用户昵称 |
┭┮﹏┭┮ |
运行时间 |
1.993 s |
代码语言 |
C++ |
内存使用 |
6.42 MiB |
提交时间 |
2024-11-29 11:35:15 |
显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,ll>
#define fi first
#define in inline
#define se second
#define mp make_pair
#define pb push_back
const int N = 2e5+10;
const ll mod = 1e9+7;
ll read(){
ll x = 0,f = 1;char c = getchar();
for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
for(;c >= '0' && c <= '9';c = getchar())x = (x<<1) + (x<<3) + c-'0';
return x * f;
}
int n;
ll a[N],s[1000010];
ll ksm(ll x,ll y){
ll ans = 1;
while(y){
if(y & 1)ans = ans * x % mod;
x = x * x % mod,y >>= 1;
}return ans;
}
int main(){
freopen("pingfang.in","r",stdin);
freopen("pingfang.out","w",stdout);
n = read();
for(int i = 1;i <= n;i++){
a[i] = read();
int mx = sqrt(a[i]);
for(int j = 2;j <= mx;j++){
if(a[i] % j)continue;
int cnt = 0;
while(a[i] % j == 0)a[i] /= j,cnt++;
if(cnt % 2)s[j]++;
}
if(a[i] > 1)s[a[i]]++;
}
ll ans = 1;
for(int i = 2;i < 1000000;i++)ans = ans * ksm((ll)i,min(s[i],n - s[i])) % mod;
printf("%lld\n",ans);
return 0;
}