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OI-source/history_source/信息学奥赛一本通/2.5.7.cpp
2023-08-03 09:22:52 +08:00

98 lines
1.3 KiB
C++

#include<cstdio>
namespace myDef
{
template<class T_queue>
struct Node_queue
{
T_queue num;
Node_queue *next=0;
};
template<class a_queue>
struct queue
{
Node_queue<a_queue> *head=0,*tail=0,*L=0;
bool isn=0;
int SIZE_queue;
void beginning()
{
head=tail=new Node_queue<a_queue>;
tail->next=head;
SIZE_queue=0;
isn=1;
}
bool push(a_queue s)
{
SIZE_queue++;
tail->num=s;
if(tail->next==head)
{
tail->next=new Node_queue<a_queue>;
tail->next->next=head;
L=tail;
tail=tail->next;
return 1;
}
L=tail;
tail=tail->next;
return 0;
}
bool pop()
{
if(head==tail) return 1;
head=head->next;
SIZE_queue--;
return 0;
}
a_queue& front()
{
return head->num;
}
int size()
{
return SIZE_queue;
}
void operator()()
{
beginning();
}
};
}
using myDef::queue;
void swap(int &a,int &b)
{
int c=a;
a=b;
b=c;
}
bool answer(int a,int b)
{
if(int(a/b)>=2) return 1;
a-=b;
if(a==0) return 1;
if(a<b) swap(a,b);
if(int(a/b)>=2) return 0;
a-=b;
if(a<b) swap(a,b);
return answer(a,b);
}
int main()
{
queue<bool>ans;
ans();
int a,b;
while(true)
{
scanf("%d%d",&a,&b);
if(a==0&&b==0) break;
if(a<b) swap(a,b);
ans.push(answer(a,b));
}
while(ans.size()>0)
{
if(ans.front()) printf("win\n");
else printf("lose\n");
ans.pop();
}
return 0;
}