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c_cpp
2 years ago
388 B
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#include <iostream>
using namespace std;
bool IsPrime(int x) {
for (int i = 0; i < sqrt(x); i++) {
if (x % i == 0) {
return false;
}
return true;
}
}
int div2(int a, int b) {
int sum = 0;
for (int i = a; i <= b; i++) {
if (IsPrime(i) == true) {
sum += i;
}
}
return sum;
}
int main()
{
int a, b;
cin >> a >> b;
cout << div2(a, b);
} Editor is loading...
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