107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
#include <cstdio>
|
|
#include <cstring>
|
|
#include <cstdlib>
|
|
#include <cmath>
|
|
#include <vector>
|
|
#include <map>
|
|
#include <set>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <stack>
|
|
#include <queue>
|
|
#include <iostream>
|
|
#include <algorithm>
|
|
using namespace std;
|
|
#define lp (p << 1)
|
|
#define rp (p << 1|1)
|
|
#define getmid(l,r) (l + (r - l) / 2)
|
|
#define MP(a,b) make_pair(a,b)
|
|
typedef long long ll;
|
|
const int INF = 1 << 30;
|
|
const int maxn = 1010;
|
|
int n,m,cnt;
|
|
int din[maxn],dout[maxn],reb[maxn];
|
|
int vis[maxn],first[maxn],nex[maxn * maxn],ver[maxn * maxn],ecnt;
|
|
string s,id1,id2;
|
|
char name[1500];
|
|
map< string,int > mp;
|
|
queue<int> q1,q2;
|
|
void Add_edge(int u,int v){
|
|
nex[++ecnt] = first[u];
|
|
ver[ecnt] = v;
|
|
first[u] = ecnt;
|
|
}
|
|
void Init(){
|
|
memset(reb,0,sizeof(reb));
|
|
memset(vis,0,sizeof(vis));
|
|
memset(din,0,sizeof(din));
|
|
memset(dout,0,sizeof(dout));
|
|
memset(first,-1,sizeof(first));
|
|
while(!q1.empty()) q1.pop();
|
|
while(!q2.empty()) q2.pop();
|
|
ecnt = cnt = 0;
|
|
mp.clear();
|
|
}
|
|
int Topo_count(){
|
|
for(int i = 1; i <= cnt; ++i) if(din[i] == 0){
|
|
if(reb[i] == 0) q1.push(i);
|
|
else q2.push(i);
|
|
}
|
|
int res = 0;
|
|
while(!q1.empty() || !q2.empty()){
|
|
if(q1.empty() && !q2.empty()){
|
|
++res;
|
|
while(!q2.empty()){
|
|
int x = q2.front(); q2.pop();
|
|
q1.push(x);
|
|
}
|
|
}
|
|
while(!q1.empty()){
|
|
int x = q1.front(); q1.pop();
|
|
vis[x] = 1;
|
|
for(int i = first[x]; i != -1; i = nex[i]){
|
|
int v = ver[i];
|
|
din[v]--;
|
|
if(din[v] == 0){
|
|
if(!reb[v]) q1.push(v);
|
|
else q2.push(v);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
int main(){
|
|
int a,b,len,flag;
|
|
scanf("%d",&n);
|
|
getchar();
|
|
getchar();
|
|
for(int Case = 1; Case <= n; ++Case){
|
|
Init();
|
|
while(getline(cin,s) != NULL){
|
|
if(s[0] == '\0')
|
|
break;
|
|
istringstream sin(s);
|
|
sin >> name;
|
|
flag = 0;
|
|
int len = strlen(name);
|
|
for(int i = 0; i < len; ++i)
|
|
if(name[i] == '*') flag = 1;
|
|
name[len - 1 - flag] = '\0';
|
|
id1 = name;
|
|
if(mp.find(id1) == mp.end())
|
|
mp[id1]= ++cnt;
|
|
reb[mp[id1]] = flag;
|
|
while(sin >> id2){
|
|
if(mp.find(id2) == mp.end())
|
|
mp[id2] = ++cnt;
|
|
Add_edge(mp[id2],mp[id1]);
|
|
dout[mp[id2]]++;
|
|
din[mp[id1]]++;
|
|
}
|
|
}
|
|
printf("Case %d: %d\n",Case,Topo_count());
|
|
}
|
|
return 0;
|
|
}
|