题解 | #汽水瓶#
汽水瓶
https://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
#include <iostream>
using namespace std;
int function(int x)
{
int num=0;
while(x>2)
{
num = num + x/3;
x = (x/3)+(x%3);
}
if(x==2)
{
return num+1;
}
else
{
return num;
}
}
int main()
{
int num;
while(cin>>num)
{
if(num)
{
cout<<function(num)<<endl;
}
}
}
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