提交时间:2024-08-19 15:14:09

运行 ID: 166696

#include<iostream> using namespace std; int main() { int n,a,b,c; cin>>n; for(int i=1;i<=n;i++) { cin>>a; b=1; for(int j=1;j<=a;j++) { b=b*2; if(b==a) { cout<<"Yes"<<"\n"; break; } } if(b!=a) { cout<<"No"<<"\n"; break; } } return 0; }