What is output of the following program? #include using namespace std; int x = 19; int...

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What is output of the following program? #include <iostream> using namespace std; int x = 19; int main () { int x = 21; { int x = 41; cout <<::x<<x<<: :x<<"\n"; } return 0; a. 414141 b. 194121 c. 214121 d. 194119 What is output of the following program? #include <iostream> using namespace std; int x = 19; int main () { int x = 21; { int x = 41; cout <<::x<<x<<: :x<<"\n"; } return 0; a. 414141 b. 194121 c. 214121 d. 194119