Codeforces-SolutionsA/Codes/1954 C - Long Multiplication/1954C.cpp
2024-04-26 17:42:55 +06:00

36 lines
852 B
C++

#include<bits/stdc++.h>
using namespace std;
#ifdef ONLINE_JUDGE
#define dbg(...)
#else
#include "debug.h"
#endif
#define ll long long
#define endl '\n'
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define yes cout<<"YES"<<endl
#define no cout<<"NO"<<endl
#define FAST (ios_base:: sync_with_stdio(false),cin.tie(NULL));
ll pow(ll x,ll y,ll m=1e9+7){ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
void solve()
{
string x,y;
cin>>x>>y;
bool f = false;
for (int i = 0; i < x.size(); ++i)
{
if ((x[i] > y[i]) == f) swap(x[i], y[i]);
f |= (x[i] != y[i]);
}
cout<<x<<endl<<y<<endl;
}
signed main()
{
FAST;
int TC = 1;
cin >> TC;
while (TC--) solve();
}