HDU 2004 成绩转换

成绩转换

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)

Total Submission(s): 73885 Accepted Submission(s): 32457



Problem Description

输入一个百分制的成绩t，将其转换成对应的等级，具体转换规则如下：

90~100为A;

80~89为B;

70~79为C;

60~69为D;

0~59为E;

Input

输入数据有多组，每组占一行，由一个整数组成。

Output

对于每组输入数据，输出一行。如果输入数据不在0~100范围内，请输出一行：“Score is error!”。

Sample Input

56
67
100
123

Sample Output

E
D
A
Score is error!

Author

lcy

Source

C语言程序设计练习（一）

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#include<iostream>
#include<stdio.h>
#include<math.h>
using namespace std;
int main()
{
int r;
while(cin>>r)
{
if(r<=100&&r>=90)
{printf("%c\n",'A');}
else if(r<=89&&r>=80)
{printf("%c\n",'B');}
else if(r<=79&&r>=70)
{printf("%c\n",'C');}
else if(r<=69&&r>=60)
{printf("%c\n",'D');}
else if(r<=59&&r>=0)
{printf("%c\n",'E');}
else if(r>100)
{cout<<"Score is error!"<<endl;}
else if(r<0)
{cout<<"Score is error!"<<endl;}
}
return 0;
}//else的作用范围是下一句
//分段不在一起的要分开写比如r>100和r<0