Reversed Sentence( by words ) 02

// Cpp program to get the reversed version of a sentence [reversed by words]
// created on July, 2016
// Author: fueanta
// Algorithm Credit: skb50bd

#include <iostream>
using namespace std;

int main() {
    string line,rev_line;
    cout << "Given String: ";
    getline(cin,line);
    for(int i = line.length(); i >= 0 ; i--) {
        if (line[i] == ' ') {
            for (int j= i+1; line[j] != ' ' && line[j] != '\0' ;j++){
                rev_line+=line[j];
            }
            rev_line+=" ";
        }
        else if (i == 0) {
            for (int j=0; line[j] != ' ' && line[j] != '\0' ;j++)
                rev_line+=line[j];
        }
    }
    cout << "\nReversed String: " << rev_line << endl;
    return 0;
}