1758A - SSeeeeiinngg DDoouubbllee - CodeForces Solution

constructive algorithms strings

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Python Code: 

t = int(input())
while t!=0:
    st = input()
    print(st+st[::-1])
    t -= 1

C++ Code: 

#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main()
{
    string st, stc;
    int test;
    cin>>test;
    while(test--)
    {
        cin>>st;
        stc = st;
        reverse(st.begin(), st.end());
        cout<<stc<<st<<'\n';
    }
}


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