运行 ID: 354540

Main.cc: In function ‘int main()’:
Main.cc:9:12: warning: comparison with string literal results in unspecified behavior [-Waddress]
   if(a[i]=="G") b++;
            ^~~
Main.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:10:12: warning: comparison with string literal results in unspecified behavior [-Waddress]
   if(a[i]=="S") c++;
            ^~~
Main.cc:10:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:11:12: warning: comparison with string literal results in unspecified behavior [-Waddress]
   if(a[i]=="B") d++;
            ^~~
Main.cc:11:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]