Submission #2699593

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Source Code Expand

#include<iostream>
#include<string>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<cstring>
#include<map>
#include<vector>
#include<queue>
#include<climits>
#include<set>
#include<utility>
using namespace std;
typedef long long int ll;
const ll MOD=1e9+7;

int main(){

	ll n, T, A, a=1, b=1, ans;
	cin >> n;
	for(int i=0; i<n; i++){
		cin >> T >> A;
		ll m=max((a+T-1)/T, (b+A-1)/A);
		a=m*T;
		b=m*A;
	}
	cout << a+b << endl;

	return 0;
}

Submission Info

Judge Result