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Copy path1978.java
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32 lines (22 loc) · 553 Bytes
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importjava.util.*;
publicclassMain {
publicstaticvoidmain(String[] args) {
Scannersc = newScanner(System.in);
intn = sc.nextInt();
intcnt = 0;
for(inti=0; i<n; i++) {
if(isPrime(sc.nextInt()))
cnt += 1;
}
System.out.println(cnt);
}
publicstaticbooleanisPrime(intn) {
if(n<2)
returnfalse;
for(inti=2; i*i<=n; i++) {
if(n % i == 0)
returnfalse;
}
returntrue;
}
}