Run id: 2591

Main.cc: In function 'int main()':
Main.cc:7:21: warning: comparison with string literal results in unspecified behaviour [-Waddress]
     while(a[len_a]!="\0"){
                     ^
Main.cc:7:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:10:21: warning: comparison with string literal results in unspecified behaviour [-Waddress]
     while(b[len_b]!="\0"){
                     ^
Main.cc:10:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]