Main.cc:3:7: error: expected nested-name-specifier before numeric constant using 11=long long; ^~ Main.cc: In function ‘int main()’: Main.cc:6:5: error: expected ‘;’ before ‘b’ 11 b,p,k; ^ Main.cc:6:10: warning: statement has no effect [-Wunused-value] 11 b,p,k; ^ Main.cc:7:7: error: ‘b’ was not declared in this scope cin>>b>>p>>k; ^ Main.cc:7:10: error: ‘p’ was not declared in this scope cin>>b>>p>>k; ^ Main.cc:7:13: error: ‘k’ was not declared in this scope cin>>b>>p>>k; ^ Main.cc:8:5: error: expected ‘;’ before ‘a’ 11 a=1; ^ Main.cc:8:8: warning: statement has no effect [-Wunused-value] 11 a=1; ^ Main.cc:10:3: error: ‘a’ was not declared in this scope a=a*b%k; ^