提交时间:2021-05-27 20:57:37

运行 ID: 19991

#include<bits/stdc++.h> using namespace std; int main() { // freopen("x12_5.in","r",stdin); // freopen("x12_5.out","w",stdout); long long x,i,ans,t=1,xx,tot=0; for(i=2;i<=19&&tot<2;i++){ xx=2*t-8; if(xx%13==0){ cout<<xx/13*10+6<<" "; tot++; } t=t*10; } }