11 lines
151 B
Brainfuck
11 lines
151 B
Brainfuck
isprime(n) {
|
|
auto p;
|
|
if(n<2) return(0);
|
|
if(!(n%2)) return(n==2);
|
|
p=3;
|
|
while(n/p>p) {
|
|
if(!(n%p)) return(0);
|
|
p=p+2;
|
|
}
|
|
return(1);
|
|
}
|