Submission #1481810

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Source Code Expand

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(br.readLine());

        long t_pre = 1, a_pre = 1;
        for(int i=0; i<n; i++){
            String[] str = br.readLine().split(" ");
            long t = Integer.parseInt(str[0]);
            long a = Integer.parseInt(str[1]);

            long rate = (long) Math.ceil(Math.max((double)t_pre/t, (double)a_pre/a));
            rate = rate == 1 ? 2 : rate;
            t_pre = rate * t;
            a_pre = rate * a;
        }
        System.out.println(t_pre + a_pre);
    }
}

Submission Info

Judge Result