10分求调
#include<iostream>
using namespace std;
int main(){
int n,cnt;
cin>>n;
int a[n]={};
for(int i=0;i<n;i++){
cin>>a[i];
for(int j=1;j<=a[j-1];j++){
for(int x=1;x<=a[x-1];x++){
if(j*j+x*x==a[j-1]){
cnt++;}}}}
if(cnt!=0){
cout<<"Yes"<<endl;
cnt=0;}
if(cnt==0){
cout<<"No"<<endl;
cnt=0;}
return 0;}