Run ID:95665

提交时间:2024-11-01 19:01:30

#include<iostream> #include<iomanip> using namespace std; int main(){ int i,a,sum; i=1; a=1; sum=1; cout<<i<<" "; while(i<=29) { a=a*2; sum=sum+a; cout<<sum<<" "; i++; } return 0; }