提交时间:2020-10-31 19:18:35

运行 ID: 8308

#include<bits/stdc++.h> using namespace std; int main(){ int a,n,num=1,tt; cin>>a; for(int i=1;i<=a;i++){ cin>>n; if(n==1){ cout<<"1"<<endl; continue; } if(n==2){ cout<<"3"<<endl; continue; } num+=(n-1)*2; cout<<num<<endl; num=1; } return 0; }