multiple scanf in a program causing crash in c?

Question

#include 

int main()
{       
    printf(\"how old are you? \");
    int age = 0;
    scanf(\"%d\", age);

    printf(\"how much does your daily habit co         


        

Answer 1

The scanf function expects a pointer.

scanf("%d", &age);

Ditto for the line where you scanf on "daily".