Main.cc: In function ‘int main()’:
Main.cc:14:16: warning: comparison with string literal results in unspecified behavior [-Waddress]
if(b[i][j]=="@")
^~~
Main.cc:14:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:32:23: warning: comparison with string literal results in unspecified behavior [-Waddress]
if(b[i-1+y][j]=="*")
^~~
Main.cc:32:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:35:20: error: invalid conversion from ‘const char*’ to ‘char’ [-fpermissive]
b[i-1+y][j]="@";
^~~
Main.cc:38:23: warning: comparison with string literal results in unspecified behavior [-Waddress]
if(b[i][j-1+y]=="*")
^~~
Main.cc:38:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:41:20: error: invalid conversion from ‘const char*’ to ‘char’ [-fpermissive]
b[i][j-1+y]="@";
^~~