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while(gets(str))就行了,不要再加if(str[0]=='\0')break;

Posted by number at 2005-08-04 13:48:31 on Problem 2341
In Reply To:2341 怎么判断输入结束呢?? Posted by:Judas at 2005-08-04 13:42:06
> Source
> 
> Problem Id:2341  User Id:Judas 
> Memory:56K  Time:0MS
> Language:C++  Result:Wrong Answer
> 
> Source 
> 
> #include<iostream.h>
> #include<stdio.h>
> 
> void main()
> {
> 	char str[10001],c;
> 	int sum=0;
> 	int flag=1;
> 	while(gets(str))
> 	{
> 		if ( flag==1 && str[0]>='a' && str[0]<='z' )	sum++;
> 		flag=0;
> 		for(int i=0;(c=str[i])!='\0';i++)
> 			
> 		{
> 			if (c!=' ' && c!='\0' && c!='.' && c!=',' && c!=';' && c!=':' && c!='-' && c!='!' && c!='?' && str[i+1]>='A' && str[i+1]<='Z' )
> 				sum++;
> 			if (  (c=='.'||c=='?'||c=='!')	&&	str[i+1]>='a' && str[i+1]<='z' )
> 				sum++;
> 		}
> 		if (str[i-1]=='.'||str[i-1]=='?'||str[i-1]=='!') flag=1;
> 		if (str[0]=='\0') break;
> 	}
> 	cout<<sum<<endl;	
> }
> 

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