题目连接：https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=69
解题思路:
简单模拟，直接模拟环，注意选择同一人特判。
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <climits>
#include <cstring>
#include <string>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <vector>
#include <list>
#define rep(i,m,n) for(int i=m;i<=n;i++)
#define rsp(it,s) for(set<int>::iterator it=s.begin();it!=s.end();it++)
const int inf_int = 2e9;
const long long inf_ll = 2e18;
#define inf_add 0x3f3f3f3f
#define mod 1000000007
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define pi acos(-1.0)
#define pii pair<int,int>
#define Lson L, mid, rt<<1
#define Rson mid+1, R, rt<<1|1
const int maxn=5e2+10;
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
inline int read(){int ra,fh;char rx;rx=getchar(),ra=0,fh=1;
while((rx<'0'||rx>'9')&&rx!='-')rx=getchar();if(rx=='-')
fh=-1,rx=getchar();while(rx>='0'&&rx<='9')ra*=10,ra+=rx-48,
rx=getchar();return ra*fh;}
//#pragma comment(linker, "/STACK:102400000,102400000")
ll gcd(ll p,ll q){return q==0?p:gcd(q,p%q);}
ll qpow(ll p,ll q){ll f=1;while(q){if(q&1)f=f*p;p=p*p;q>>=1;}return f;}
typedef vector<int> vi;
int dir[4][2]={{-1,0},{1,0},{0,-1},{0,1}};
const int N = 1e7+5;
void print(int x);
vi a;
int n,k,m;
int main()
{
int curx,cury;
while(cin >> n>>k>>m)
{
if(n==0&&k==0&&m==0)
break;
a.clear();
for(int i=1;i<=n;i++)
a.push_back(i);
curx = 0;
cury = n-1;
int cc = n;
while(cc)
{
int ct1=k,ct2=m;
if(a[curx]!=-1)
ct1--;
while(ct1)
{
// cout <<"@@"<<curx<<endl;
curx++;
curx%=n;
if(a[curx]!=-1)
{
ct1--;
}
}
if(a[cury]!=-1)
ct2--;
while(ct2)
{
// cout <<"&&"<<cury<<endl;
cury--;
cury=(cury+n)%n;
if(a[cury]!=-1)
{
ct2--;
}
}
if(curx==cury)
{
cc--;
print(a[curx]);
a[curx] = -1;
}
else
{
cc-=2;
print(a[curx]);
print(a[cury]);
a[curx] = -1;
a[cury] = -1;
}
if(cc!=0)
cout << ",";
else
{
cout << endl;
}
}
}
return 0;
}
void print(int x)
{
if(x>9)
{
cout << " "<<x/10<<x%10;
}
else
{
cout <<" "<<x;
}
}