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Force deduction ----- the number of words in the string

2022-07-26 13:35:00 【qq_ thirty-seven million seven hundred and sixty thousand seven】

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int countSegments(char * s){
    
    int len=strlen(s);
    int count=0;
    int flag=0;
    for(int a=0;a<len;a++){
    
        if(s[a]!=' '){
    
            flag++;
        }
        else{
    
            if(flag>0){
    
                count++;
            }
            flag=0;
        }
    }
    if(count==0&&flag==0){
    
        return count;
    }
    if(s[len-1]==' '){
    
        return count;
    }
    return count+1;
}