c program doesn't work scanf char

Question

#include 
int main() {

    struct cerchio c1, c2;
    float distanza;
    char k;

    //input del centro del primo cerchio
    printf(\"Enter the co         


        

Answer 1

use

scanf(" %c",&k);

Instead of

scanf("%s", &k); // %s is used for strings, Use %c for character variable.

for char variable use " %c". and don't forget to keep space before %c " %c" , it will skips newline and whitespace characters.