标签：strong return i++ ret print std mic int main
#include<stdio.h>
int main(){
int n,s=1,i;
scanf("%d",&n);
for(i=1;i<n;i++){
s=(s+1)*2;
}
printf("%d\n",s);
return 0;
}
标签：strong return i++ ret print std mic int main
原文地址：https://www.cnblogs.com/huoyuying/p/9735690.html
