Prime proc
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#include <stdio.h>
#include <cmath>
int prime(int a){
a = abs(a);
if (a == 1 || a == 0) return false;
int divider = 2;
while(divider <= (a / 2 + 1) && divider != a){
if (a % divider == 0) return false;
divider++;
}
return true;
}
int main(void) {
int a = -7;
printf("Num %d %s\n", a,prime(a) ? "is prime": "is not prime");
return 0;
}
Cpp
INFO