单词数
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 28671 Accepted Submission(s): 6877
Problem Description
lily的好朋友xiaoou333最近很空，他想了一件没有什么意义的事情，就是统计一篇文章里不同单词的总数。下面你的任务是帮助xiaoou333解决这个问题。
Input
有多组数据，每组一行，每组就是一篇小文章。每篇小文章都是由小写字母和空格组成，没有标点符号，遇到#时表示输入结束。
Output
每组只输出一个整数，其单独成行，该整数代表一篇文章里不同单词的总数。
Sample Input
you are my friend
#
Sample Output
4
#include <stdio.h>
#include <string>
#include <set>
#include <string.h>
#include <iostream>
using namespace std;
int main()
{
char str[10002];
while (gets(str))
{
if (0 == strcmp(str,"#")) break;
set<string> s;
string s1= "";
s.insert(s1);
for (int i =0 ; str[i] ;)
{
s1 = "";
while (str[i]!=‘ ‘&&str[i])
{
s1 += str[i];
i++;
}
s.insert(s1);
while (str[i] == ‘ ‘) i++;
}
printf("%d\n",s.size()-1);
s.clear();
}
return 0;
}
#include <stdio.h>
#include <string>
#include <set>
#include <string.h>
#include <iostream>
using namespace std;
int main() {
char str[10002];
while (gets(str))
{
if (0 == strcmp(str,"#")) break;
set<string> s;
string s1= "";
s.insert(s1);
for (int i =0 ; str[i] ;)
{
s1 = "";
while (str[i]!=‘ ‘&&str[i])
{ s1 += str[i]; i++; }
s.insert(s1);
while (str[i] == ‘ ‘) i++; }
printf("%d\n",s.size()-1);
s.clear();
}
return 0;
}
#include <stdio.h>
#include <string>
#include <set>
#include <string.h>
#include <iostream>
using namespace std;
int main()
{
char str[10002];
char str1[10002];
set<string> s;
string s1;
while (gets(str))
{
if (0 == strcmp(str,"#")) break;
while (sscanf(str,"%s",str1)!=EOF)
{
s1=str1;
s.insert(s1);
int i=0;
while (str[i]==‘ ‘&&str[i]) i++;
while (str[i]!=‘ ‘&&str[i]) str[i++]=‘ ‘;
}
printf("%d\n",s.size());
s.clear();
}
return 0;
}
#include <stdio.h>
#include <string>
#include <set>
#include <string.h>
#include <iostream>
using namespace std;
int main() {
char str[10002];
char str1[10002];
set<string> s;
string s1;
while (gets(str))
{
if (0 == strcmp(str,"#")) break;
while (sscanf(str,"%s",str1)!=EOF)
{ s1=str1;
s.insert(s1);
int i=0;
while (str[i]==‘ ‘&&str[i]) i++;
while (str[i]!=‘ ‘&&str[i]) str[i++]=‘ ‘;
}
printf("%d\n",s.size());
s.clear();
}
return 0;
}
**************************************************************************************************************8
思考一下
#include <stdio.h>
#include <string>
#include <set>
#include <string.h>
#include <iostream>
using namespace std;
int main()
{
char str[10002];
char str1[10002];
set<string> s;
string s1;
while (gets(str))
{
if (0 == strcmp(str,"#")) break;
while (sscanf(str,"%s",str1)!=EOF)
{
s1=str1;
s.insert(s1);
cout<<s1<<endl;
printf("%s\n",str);
system("pause");
int i=0;
while (str[i]==‘ ‘&&str[i]) i++;
while (str[i]!=‘ ‘&&str[i]) str[i++]=‘ ‘;
}
printf("%d\n",s.size());
s.clear();
}
return 0;
}
