HI,

I have data(int, string). for ex: {(23,"z"),(23,"c"),(100,"ex"),(1,"zz"),(2,"345")}

I want to sort combination of two keys.

output: {(1,"zz"),(2,"345"),(23,"c"),(23,"z"),(100,"ex")}

What is the right data structure to store two values and sort on two keys?

Thanks.