Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 118849 Accepted Submission(s): 52199
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;
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!
#include<iostream>
#include<stdio.h>
using namespace std;int main(){int score;while(cin>>score){if(score>=90&&score<=100){cout<<"A"<<endl;}if(score>=80&&score<=89){cout<<"B"<<endl;}if(score>=70&&score<=79){cout<<"C"<<endl;}if(score>=60&&score<=69){cout<<"D"<<endl;}if(score>=0&&score<=59){cout<<"E"<<endl;}if(score<0||score>100){cout<<"Score is error!"<<endl;}}return 0;}