49 lines
965 B
C++
49 lines
965 B
C++
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// Description :- Given a string, the task is to reverse the order of the words in the given string.
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// Example :-
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// Input 1:
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// A = "the sky is blue"
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// Input 2:
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// A = "this is ib"
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// Output 1:
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// "blue is sky the"
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// Output 2:
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// "ib is this"
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// Time Complexity = O(N), Space Complexity = O(N)
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#include<bits/stdc++.h>
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using namespace std;
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string solve(string s) {
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vector<string>v;
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string str="";
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for(int i=0;i<s.length();i++){
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if(s[i]!=' '){
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str+=s[i];
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}
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else if(str!="" && s[i]==' '){
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v.push_back(str);
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str="";
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}
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}
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if(str!=""){
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v.push_back(str);
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}
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str="";
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for(int i=v.size()-1;i>0;i--){
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str+=v[i];
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str+=' ';
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}
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str+=v[0];
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return str;
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}
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int main()
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{
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string s;
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getline(cin, s);
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cout<<solve(s);
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return 0;
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}
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