华为OD机考-报文响应时间-逻辑分析（JAVA 2025B卷）

public class MaxResponseTime {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextLine()){
            int i = sc.nextInt();
            int result = Integer.MAX_VALUE;
            for(int j = 0; j < i; j++){
                int time = sc.nextInt();
                int maxResponseTime = sc.nextInt();
                if(maxResponseTime < 128){
                    result = Math.min(result, time+maxResponseTime);
                }else{
                    maxResponseTime = (maxResponseTime & 0x0f | 0x10)<<((maxResponseTime & 0b01110000)+3);
                    result = Math.min(result, time+maxResponseTime);
                }
            }
            System.out.println(result);
        }
    }
}