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#include <iostream> #include <string> using namespace std; int main() { string a , b; cin>>a; cin>>b; cout<<a.size()<<" "<<b.size()<<endl; cout<<a+b<<endl; char temp = a[0]; a[0] = b[0]; b[0] = temp; cout<<a<<" "<<b<<endl; return 0; }
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Strings
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Approach Using C++