Submission #1534384

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main(void) {
  int n;
  cin >> n;

  vector<ll> t(n), a(n);
  for (int i = 0; i < n; i++) {
    cin >> t[i] >> a[i];
  }

  ll x = 1, y = 1;
  for (int i = 0; i < n; i++) {
    ll k = max((x + t[i] - 1) / t[i], (y + a[i] - 1) / a[i]);
    x = k * t[i]; y = k * a[i];
  }

  cout << x + y << endl;

  return 0;
}

Submission Info

Judge Result