Help me in solving CCHOCOLATES problem

help
,
1

My issue

include <stdio.h>

int main() {
int t;
scanf(“%d”, &t);
for(int i=0;i<t;i++)
{
int x,y,z,k,r;
scanf(“%d%d%d”,&x,&y,&z);
z=(5x+10y);
k=z/r;
printf(“%d\n”,k);
}
return 0;

}

My code

#include <stdio.h>

int main() {
    int t;
    scanf("%d", &t);
    for(int i=0;i<t;i++)
    {
        int x,y,z,k,r;
        scanf("%d%d%d",&x,&y,&z);
        z=(5x+10y);
        k=z/r;
        printf("%d\n",k);
    }
    return 0;

}

Learning course: Basic Math using C
Problem Link: Chef and Chocolates Practice Problem in - CodeChef