Main.cc: In function ‘int main()’: Main.cc:8:12: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="A"&&a[i]=="B"&&a[i]=="C"&&a[i]=="D"&&a[i]=="E") xf++; ^~~ Main.cc:8:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] Main.cc:8:23: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="A"&&a[i]=="B"&&a[i]=="C"&&a[i]=="D"&&a[i]=="E") xf++; ^~~ Main.cc:8:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] Main.cc:8:34: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="A"&&a[i]=="B"&&a[i]=="C"&&a[i]=="D"&&a[i]=="E") xf++; ^~~ Main.cc:8:34: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] Main.cc:8:45: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="A"&&a[i]=="B"&&a[i]=="C"&&a[i]=="D"&&a[i]=="E") xf++; ^~~ Main.cc:8:45: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] Main.cc:8:56: warning: comparison with string literal results in unspecified behavior [-Waddress] if(a[i]=="A"&&a[i]=="B"&&a[i]=="C"&&a[i]=="D"&&a[i]=="E") xf++; ^~~ Main.cc:8:56: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]