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user_5668965
c_cpp
a year ago
776 B
13
Indexable
#include <bits/stdc++.h>
using i64 = long long;
void solve() {
int n;
std::cin >> n;
std::vector<int> a(n), b(n);
for (int i = 0; i < n; i++) {
std::cin >> a[i] >> b[i];
}
i64 g = 0, m = 1;
int ans = 1;
for (int i = 0; i < n; i++) {
if (std::gcd(g, 1LL * a[i] * b[i]) % std::lcm(m, 1LL * b[i]) != 0) {
ans += 1;
g = 0;
m = 1;
}
g = std::gcd(g, 1LL * a[i] * b[i]);
m = std::lcm(m, 1LL * b[i]);
}
std::cout << ans << "\n";
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
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