Help me in solving CLB033 problem

CodeChef-DSA-learners
,
1

My issue

explanation wanted

My code

#include <stdio.h>

int main() {
    int s = 14;
    int cost=$7
    
    
    printf("%d\n", area);
    printf("%d$", cost);
return 0;
}

Learning course: Programming and Problem solving using C
Problem Link: https://www.codechef.com/learn/course/ciet-programming-c/CIETPC07/problems/CLB033

2 
#include <stdio.h>
int main() {
    int s = 14;
    int cost=7;
    
    printf("%d \n",s);
    printf("$%d", cost);
return 0;
}
3

u are printing a variable u didn’t use. use s instead of area or declare area instead of s.and all set!