OJ-Problems-Source/HDOJ/1443_autoAC.cpp
2016-08-14 09:16:58 +08:00

50 lines
817 B
C++

#include <cstdlib>
#include <iostream>
#include<string>
#include <cstdio>
#include<algorithm>
#include <sstream>
#include <math.h>
using namespace std;
int n, a, b;
int con[15];
int run(int a, int b)
{
int cnt = 0;
int sum = 2 * a;
int index = b % (2 * a);
if(index == 0) index = sum;
while(index > a)
{
sum--;
index = (index + b - 1) % sum;
if(index == 0) index = sum;
cnt ++;
}
return cnt;
}
int solve(int a)
{
for(int i=a+1; ; i++)
{
if(run(a, i) == a) return i;
}
}
void init()
{
for(int i=1; i<=14; i++)
{
con[i] = solve(i);
}
}
int main()
{
init();
while(cin>>n)
{
if(n == 0) break;
else cout<<con[n]<<endl;
}
return 0;
}