Main.cc:1:2: error: invalid preprocessing directive #incldue; did you mean #include? #incldue ^~~~~~~ include Main.cc: In function ‘int main()’: Main.cc:10:5: error: ‘scanf’ was not declared in this scope scanf("%d",&T); ^~~~~ Main.cc:13:9: error: ‘memset’ was not declared in this scope memset(f,0,sizeof(f)); ^~~~~~ Main.cc:16:9: error: ‘sort’ was not declared in this scope sort(a+1,a+n+1); ^~~~ Main.cc:16:9: note: suggested alternative: ‘short’ sort(a+1,a+n+1); ^~~~ short Main.cc:30:9: error: ‘printf’ was not declared in this scope printf("%d\n",ans); ^~~~~~ Main.cc:30:9: note: suggested alternative: ‘int’ printf("%d\n",ans); ^~~~~~ int