Main.cc:1:9: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] #includeusing namespace std;int main(){for(char i=97;i<=122;i++)cout=65;i--)coutusing namespace std;int main(){for(char i=97;i<=122;i++)cout=65;i--)cout<i<<" "; ^ /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o: In function `_start': (.text+0x20): undefined reference to `main' collect2: error: ld returned 1 exit status