1
时间换算(5分)
题目内容:
UTC是世界协调时,BJT是北京时间,UTC时间相当于BJT减去8。现在,你的程序要读入一个整数,表示BJT的时和分。整数的个位和十位表示分,百位和千位表示小时。如果小时小于10,则没有千位部分;如果小时是0,则没有百位部分;如果分小于10分,需要保留十位上的0。如1124表示11点24分,而905表示9点5分,36表示0点36分,7表示0点7分。
有效的输入范围是0到2359,即你的程序不可能从测试服务器读到0到2359以外的输入数据。
你的程序要输出这个时间对应的UTC时间,输出的格式和输入的相同,即输出一个整数,表示UTC的时和分。整数的个位和十位表示分,百位和千位表示小时。如果小时小于10,则没有千位部分;如果小时是0,则没有百位部分;如果分小于10分,需要保留十位上的0。
提醒:要小心跨日的换算。
输入格式:
一个整数,表示BJT的时和分。整数的个位和十位表示分,百位和千位表示小时。如果小时小于10,则没有千位部分;如果小时是0,则没有百位部分;如果小时不是0而且分小于10分,需要保留十位上的0。
输出格式:
一个整数,表示UTC的时和分。整数的个位和十位表示分,百位和千位表示小时。如果小时小于10,则没有千位部分;如果小时是0,则没有百位部分;如果小时不是0而且分小于10分,需要保留十位上的0。
输入样例:
933
输出样例:
133
时间限制:500ms内存限制:32000kb
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int BJT = in.nextInt();
int UTC;
if ( BJT < 800)
{
UTC = BJT + 1600;
}
else
{
UTC = BJT - 800;
}
System.out.println(UTC);
}
}
2
信号报告(5分)
题目内容:
无线电台的RS制信号报告是由三两个部分组成的:
R(Readability) 信号可辨度即清晰度.
S(Strength) 信号强度即大小.
其中R位于报告第一位,共分5级,用1—5数字表示.
1---Unreadable
2---Barely readable, occasional words distinguishable
3---Readable with considerable difficulty
4---Readable with practically no difficulty
5---Perfectly readable
报告第二位是S,共分九个级别,用1—9中的一位数字表示
1---Faint signals, barely perceptible
2---Very weak signals
3---Weak signals
4---Fair signals
5---Fairly good signals
6---Good signals
7---Moderately strong signals
8---Strong signals
9---Extremely strong signals
现在,你的程序要读入一个信号报告的数字,然后输出对应的含义。如读到59,则输出:
Extremely strong signals, perfectly readable.
输入格式:
一个整数,信号报告。整数的十位部分表示可辨度,个位部分表示强度。输入的整数范围是[11,59]内有效的数字,这个范围外的数字不可能出现在测试数据中。
输出格式:
一句话,表示这个信号报告的意义。按照题目中的文字,先输出表示强度的文字,跟上逗号和空格,然后是表示可辨度的文字,跟上句号。注意可辨度的句子的第一个字母是小写的。注意这里的标点符号都是英文的。
输入样例:
33
输出样例:
Weak signals, readable with considerable difficulty.
时间限制:500ms内存限制:32000kb
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int type = in.nextInt();
int type1 = type % 10;
int type2 = type / 10;
if ( type2 == 1 )
{
switch ( type1 )
{
case 1:
System.out.println("Faint signals, barely perceptible, unreadable.");
break;
case 2:
System.out.println("Very weak signals, unreadable.");
break;
case 3:
System.out.println("Weak signals, unreadable.");
break;
case 4:
System.out.println("Fair signals, unreadable.");
break;
case 5:
System.out.println("Fairly good signals, unreadable.");
break;
case 6:
System.out.println("Good signals, unreadable.");
break;
case 7:
System.out.println("Moderately strong signals, unreadable.");
break;
case 8:
System.out.println("Strong signals, unreadable.");
break;
case 9:
System.out.println("Extremely strong signals, unreadable.");
break;
}
}
else if( type2 == 2 )
{
switch ( type1 )
{
case 1:
System.out.println("Faint signals, barely perceptible, barely readable, occasional words distinguishable.");
break;
case 2:
System.out.println("Very weak signals, barely readable, occasional words distinguishable.");
break;
case 3:
System.out.println("Weak signals, barely readable, occasional words distinguishable.");
break;
case 4:
System.out.println("Fair signals, barely readable, occasional words distinguishable.");
break;
case 5:
System.out.println("Fairly good signals, barely readable, occasional words distinguishable.");
break;
case 6:
System.out.println("Good signals, barely readable, occasional words distinguishable.");
break;
case 7:
System.out.println("Moderately strong signals, barely readable, occasional words distinguishable.");
break;
case 8:
System.out.println("Strong signals, barely readable, occasional words distinguishable.");
break;
case 9:
System.out.println("Extremely strong signals, barely readable, occasional words distinguishable.");
break;
}
}
else if( type2 == 3 )
{
switch ( type1 )
{
case 1:
System.out.println("Faint signals, barely perceptible, readable with considerable difficulty.");
break;
case 2:
System.out.println("Very weak signals, readable with considerable difficulty.");
break;
case 3:
System.out.println("Weak signals, readable with considerable difficulty.");
break;
case 4:
System.out.println("Fair signals, readable with considerable difficulty.");
break;
case 5:
System.out.println("Fairly good signals, readable with considerable difficulty.");
break;
case 6:
System.out.println("Good signals, readable with considerable difficulty.");
break;
case 7:
System.out.println("Moderately strong signals, readable with considerable difficulty.");
break;
case 8:
System.out.println("Strong signals, readable with considerable difficulty.");
break;
case 9:
System.out.println("Extremely strong signals, readable with considerable difficulty.");
break;
}
}
else if( type2 == 4 )
{
switch ( type1 )
{
case 1:
System.out.println("Faint signals, barely perceptible, readable with practically no difficulty.");
break;
case 2:
System.out.println("Very weak signals, readable with practically no difficulty.");
break;
case 3:
System.out.println("Weak signals, readable with practically no difficulty.");
break;
case 4:
System.out.println("Fair signals, readable with practically no difficulty.");
break;
case 5:
System.out.println("Fairly good signals, readable with practically no difficulty.");
break;
case 6:
System.out.println("Good signals, readable with practically no difficulty.");
break;
case 7:
System.out.println("Moderately strong signals, readable with practically no difficulty.");
break;
case 8:
System.out.println("Strong signals, readable with practically no difficulty.");
break;
case 9:
System.out.println("Extremely strong signals, readable with practically no difficulty.");
break;
}
}
else
{
switch ( type1 )
{
case 1:
System.out.println("Faint signals, barely perceptible, perfectly readable.");
break;
case 2:
System.out.println("Very weak signals, perfectly readable.");
break;
case 3:
System.out.println("Weak signals, perfectly readable.");
break;
case 4:
System.out.println("Fair signals, perfectly readable.");
break;
case 5:
System.out.println("Fairly good signals, perfectly readable.");
break;
case 6:
System.out.println("Good signals, perfectly readable.");
break;
case 7:
System.out.println("Moderately strong signals, perfectly readable.");
break;
case 8:
System.out.println("Strong signals, perfectly readable.");
break;
case 9:
System.out.println("Extremely strong signals, perfectly readable.");
break;
}
}
}
}