mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
|
#include<cstdio>
|
||
|
|
#include<cstring>
|
||
|
|
#include<map>
|
||
|
|
#include<string>
|
||
|
|
#include<iostream>
|
||
|
|
using namespace std;
|
||
|
|
int main(){
|
||
|
|
int t,T,i,j,k,n;
|
||
|
|
int sta;
|
||
|
|
double sum[110],ans;
|
||
|
|
int all[110];
|
||
|
|
int ss,num;
|
||
|
|
string str;
|
||
|
|
char sss[10010];
|
||
|
|
map<string,int> m[100];
|
||
|
|
scanf("%d",&T);
|
||
|
|
for(t=1;t<=T;t++){
|
||
|
|
memset(all,0,sizeof(all));
|
||
|
|
memset(sum,0,sizeof(sum));
|
||
|
|
scanf("%d",&n);
|
||
|
|
for(i=0;i<n;i++){
|
||
|
|
scanf("%s",str);
|
||
|
|
getline(cin,str);
|
||
|
|
for(j=0;j<str.length() && str[j]==' ';j++);
|
||
|
|
sta=j;
|
||
|
|
for(;j<str.length();j++){
|
||
|
|
if(str[j]==' '){
|
||
|
|
m[i].insert(make_pair(str.substr(sta,j-sta),1));
|
||
|
|
all[i]++;
|
||
|
|
for(;j<str.length() && str[j]==' ';j++);
|
||
|
|
sta=j;
|
||
|
|
if(sta==str.length())break;
|
||
|
|
j--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(sta!=str.length()){
|
||
|
|
m[i].insert(make_pair(str.substr(sta,j-sta),1));
|
||
|
|
all[i]++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for(i=0;i<n;i++){
|
||
|
|
scanf("%s",str);
|
||
|
|
getline(cin,str);
|
||
|
|
for(j=0;j<str.length() && str[j]==' ';j++);
|
||
|
|
sta=j;
|
||
|
|
ss=num=0;
|
||
|
|
for(;j<str.length();j++){
|
||
|
|
if(str[j]==' '){
|
||
|
|
num++;
|
||
|
|
if(m[i].find(str.substr(sta,j-sta))!=m[i].end()){
|
||
|
|
ss++;
|
||
|
|
sum[i]+=(double)ss/num;
|
||
|
|
}
|
||
|
|
for(;j<str.length() && str[j]==' ';j++);
|
||
|
|
sta=j;
|
||
|
|
if(sta==str.length())break;
|
||
|
|
j--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(sta!=str.length()){
|
||
|
|
num++;
|
||
|
|
if(m[i].find(str.substr(sta,j-sta))!=m[i].end()){
|
||
|
|
ss++;
|
||
|
|
sum[i]+=(double)ss/num;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
sum[i]/=all[i];
|
||
|
|
}
|
||
|
|
ans=0;
|
||
|
|
for(i=0;i<n;i++)
|
||
|
|
ans+=sum[i];
|
||
|
|
printf("Case #%d: %.6lf\n",t,ans/n);
|
||
|
|
}
|
||
|
|
}
|