"/* The output of the following program is ? */ 1) #include
2) using namespace std;
3) int main(){
4) signed CodingBlocks = 9;
5) signed Nagarro = A;
6) signed char HackerBlocks = ‘A’;
7) cout<<CodingBlocks<<endl;
8) cout<<HackerBlocks<<endl;
9) return 0;
} "
Why is this code not giving error at line 4?