Files
OI-source/2.540.cpp
2023-08-03 09:22:52 +08:00

104 lines
1.3 KiB
C++

#include<cstdio>
#include<queue>
#include<map>
using namespace std;
const int maxt=1010;
int main()
{
#ifdef local
freopen("pro.in","r",stdin);
#endif
int t,kase=0;
while(scanf("%d",&t)==1&&t)
{
printf("Scenario #%d\n",++kase);
map<int,int> team;
for(int i=0;i<t;i++)
{
int n,x;
scanf("%d",&n);
while(n--)
{
scanf("%d",&x);
team[x]=i;
}
}
queue<int> q,q2[maxt];
while(1)
{
int x;
char cmd[10];
scanf("%s",cmd);
if(cmd[0]=='S') break;
else if(cmd[0]=='D')
{
int t=q.front();
printf("%d\n",q2[t].front());
q2[t].pop();
if(q2[t].empty()) q.pop();
}
else if(cmd[0]=='E')
{
scanf("%d",&x);
int t=team[x];
if(q2[t].empty()) q.push(t);
q2[t].push(x);
}
}
printf("\n");
}
return 0;
}
/*
2
3 101 102 103
3 201 202 203
ENQUEUE 101
ENQUEUE 201
ENQUEUE 102
ENQUEUE 202
ENQUEUE 103
ENQUEUE 203
DEQUEUE
DEQUEUE
DEQUEUE
DEQUEUE
DEQUEUE
DEQUEUE
STOP
2
5 259001 259002 259003 259004 259005
6 260001 260002 260003 260004 260005 260006
ENQUEUE 259001
ENQUEUE 260001
ENQUEUE 259002
ENQUEUE 259003
ENQUEUE 259004
ENQUEUE 259005
DEQUEUE
DEQUEUE
ENQUEUE 260002
ENQUEUE 260003
DEQUEUE
DEQUEUE
DEQUEUE
DEQUEUE
STOP
0
Sample Output
Scenario #1
101
102
103
201
202
203
Scenario #2
259001
259002
259003
259004
259005
260001
*/