题目地址:https://ac.nowcoder.com/acm/contest/3947/C import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String[] args) { BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); // PrintWriter out=new PrintWriter(System.out); // Scanner scanner=new Scanner(System.in); try { String n=null; String[] m=null; while(true) { n=in.readLine(); if(n.isEmpty()) { break; } m=n.split(" "); long begin=Long.parseLong(m[0])-1,end=Long.parseLong(m[1]),b1=begin/60,b2=begin%60,e1=end/60,e2=end%60; if(e2>50) { e2=50; } if(b2>50) { b2=50; } System.out.println((e1-b1)*50+e2-b2); } in.close(); // out.flush(); // out.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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