C++

Cứu với!!!!                                                    

#include <iostream>
using namespace std;
int main() {
int a, b, c;
cin >> a >> b >> c;
auto gcd = [](int a, int b) {
while (b != 0) {
int t = b;
b = a % b;
a = t;
}
return a;
};

for (int i = a; i <= b; ++i) {
int d = 0;
for (int j = b; j <= c; ++j) {
if (gcd(i, j) == 1) {
d++;
}
}
cout << d << '\n';
}
return 0;
}

#include <bits/stdc++.h>

using namespace std;

int Gcd(int a, int b)
{
    if (b==0)return a;
    else return Gcd(b,a%b);
}

int dem(int x, int a, int b)
{
    int d=0;
    for (int i=a;i<=b;++i)
    {
        if (Gcd(x,i) == 1)
        {
            d++;
        }
    }
    return d;
}

int main()
{
    int a,b,c;
    cin>>a>>b>>c;
    for (int i=a;i<=b;++i)
    {
        cout<<dem(i,b,c)<<'\n';
    }
    return 0;
}