poj2503

小试探

#include <stdio.h>
#include<string.h>
struct word
{
char a[20],b[20];
}w[100005];
int main(int argc, char *argv[])
{
int len=0;
char s[100],x[20],y[20];
int i;
while(gets(s) && s[0]!=' ')
{
sscanf(s,"%s%s",x,y);
strcpy(w[len].a,x);
strcpy(w[len].b,y);
len++;
}
for(i=0;i<len-1;i++)



printf("%s %s ",w[i].a,w[i].b);

return 0;
}

 

 ************************************************************************************

#include <iostream>
#include <string>
#include <map>
using namespace std;

char s[100],s1[100],s2[100];
map <string,string> my;
map <string,string> ::iterator it;

int main(int argc, char *argv[])
{ 

int i;
 while (gets(s))
 {

 if (strcmp(s,"")==0) break;
  sscanf(s,"%s%s",s1,s2);
  my[s2]=s1;
 }
 while (scanf("%s",s)!=EOF)
 { 

it=my.find(s);
  if ( it!=my.end()) cout<<my[s]<<endl; 

      else               cout<<"eh ";
 }      
 return 0;
}

#include <iostream>
#include <string>
#include <cstring>
#include <cstdio>
#include <map>
using namespace std;
map<string,string> my;
map<string,string> ::iterator it;

int main()
{
int i,k,ky;
char cc[50],s1[50],s2[50],s3[50];
while(gets(cc))
{
if(strcmp(cc,"")==0) break;
sscanf(cc,"%s%s",s1,s2);
my[s2]=s1;
}
while(scanf("%s",s3)!=EOF)
{ it=my.find(s3);
if(it!=my.end()) cout<<my[s3]<<endl; else cout<<"eh"<<endl;
}

}

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<map>
using namespace std;
map<string,string> x;
int main()
{
int i,j;
char s[100];
char a[100],b[100];
while(gets(s),strlen(s))
{
sscanf(s,"%s%s",a,b);
x[b]=a;
}
while(cin>>s)
{
if(x[s].size())
cout<<x[s]<<endl;
else
cout<<"eh ";
}
}