snt123
unknown
c_cpp
a year ago
475 B
6
Indexable
#include <iostream> #include <math.h> using namespace std; bool snt(int n) { if(n < 2) { return 0; } for(int i = 2 ; i <= sqrt(n); i++) { if(n % i == 0) { return 0; } } return 1; } int main() { int n; cin >> n; if(snt(n)) { cout << n << " la so nguyen to"; } else { cout << n << " khong la so nguyen to"; } return 0; }
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