Giới thiệu
int n, x, count = 0;
std::cin >> n >> x;
int a[n];
for (int i = 0; i < n; ++i) {
std::cin >> a[i];
if (a[i] == x) {
count++;
}
}
std::cout << count;
int n, x, count = 0;
std::cin >> n >> x;
int a[n];
for (int i = 0; i < n; ++i) {
std::cin >> a[i];
if (a[i] == x) {
count++;
}
}
std::cout << count;