Created
November 7, 2012 03:06
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#include <iostream> | |
#include <string> | |
#include <cstring> | |
#include <vector> | |
#include <cmath> | |
using namespace std; | |
double find(long long a, long long b, long long c, long long &d){ | |
if(!b||!c)return -1; | |
d=ceil((double) a* (double) c /(double) b); | |
if(d>100000)return -1; | |
return (double) d* (double) b /(double)c; | |
}; | |
int main(){ | |
int n; | |
long long a1,a2; | |
string s1,s2,c; | |
cin >> n; | |
int tt=0; | |
while(n){ | |
int cur=0; | |
long long a[10][10]; | |
string s[10]; | |
int n1,n2; | |
for(int i=0;i<n;i++){ | |
cin>>a1>>s1>>c>>a2>>s2; | |
n1=-1;n2=-1; | |
for(int j=0;j<cur;j++){ | |
if(s[j]==s1)n1=j; | |
if(s[j]==s2)n2=j; | |
}; | |
if(n1==-1){ | |
s[cur]=s1;n1=cur; | |
cur++; | |
}; | |
if(n2==-1){ | |
s[cur]=s2;n2=cur; | |
cur++; | |
} | |
a[n1][n2]=a1; | |
a[n2][n1]=a2; | |
}; | |
for(int k=0;k<cur;k++) | |
for(int i=0;i<cur;i++) | |
for(int j=0;j<cur;j++) | |
if(a[i][k]&&a[k][j]&&!a[i][j]){ | |
a[i][j]=a[i][k]*a[k][j]; | |
a[j][i]=a[k][i]*a[j][k]; | |
}; | |
long long amount,mina,d; | |
string name,namemin; | |
cin>>amount>>name; | |
int nn; | |
for(int i=0;i<cur;i++) | |
if(s[i]==name)nn=i; | |
double min=1e100; | |
for(int i=0;i<cur;i++){ | |
double am=find(amount,a[nn][i],a[i][nn],d); | |
if(i!=nn&&am>0&&am<min){min=am;namemin=s[i];mina=d;}; | |
}; | |
tt++; | |
cout<<"Case "<<tt<<": "<<mina<<' '<<namemin<<endl; | |
cin>>n; | |
}; | |
} |
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