codeforces 116A（Tram） Java

codeforces 无聊水题，无聊记录

import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.PrintWriter;import java.util.Scanner;/** * 题意：模拟人上下车，所有站点中车上人数最多的人数 */public class Main {    public static void main(String[] args) {        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(                System.in)));        PrintWriter out = new PrintWriter(System.out);        int stopsNum;         // 站点数量        int passengersNumDown;// 某站下车乘客人数        int passengersNumUp;  // 某站上车乘客人数        int currentCapacity;  // 当前车辆的容量        int minimunCapacity;  // 乘客数在任何时刻都不会超过该容量        while (in.hasNext()) {            minimunCapacity = 0;            currentCapacity = 0;            stopsNum = in.nextInt();            while (stopsNum-- != 0) {                passengersNumDown = in.nextInt();                passengersNumUp = in.nextInt();                currentCapacity -= passengersNumDown;                currentCapacity += passengersNumUp;                if(minimunCapacity < currentCapacity){                    minimunCapacity = currentCapacity;                }            }            out.println(minimunCapacity);        }        out.flush();    }}