Main.cc: In function 'int main()': Main.cc:7:21: error: found ':' in nested-name-specifier, expected '::' for(int i=1;i<=n:i++); ^ Main.cc:7:20: error: 'n' is not a class, namespace, or enumeration for(int i=1;i<=n:i++); ^ Main.cc:7:25: error: expected ';' before ')' token for(int i=1;i<=n:i++); ^ Main.cc:8:11: error: 'i' was not declared in this scope cout<<i<<endl ^ Main.cc:9:1: error: expected ';' before 'return' return 0; ^