everse-words-in-a-given-string

#include<iostream>
#include<string>

void Reverse(std::string &p,int i,int j){
    while(i<j){
        std::swap(p[i++],p[j--]);
    }
}

int main()
 {
	int T;
	std::cin>>T;
	while(T--){
	    std::string s;
	    std::cin>>s;
	    int len=s.size();
	    Reverse(s,0,len-1);
	    int i=0;
	    for(int j=0;j<len;++j){
	        if(s[j]=='.'){
	            Reverse(s,i,j-1);
	            i=j+1;
	        }
	        else if(j==len-1)
	        Reverse(s,i,j);
	    }
	    std::cout<<s<<"\n";
	}
	return 0;
}