hdu_problem_2004_成绩转换

/*
*
*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)
*
*
*Recommend
*JGShining
*
*/
#include<iostream>
using namespace std;
int main() {
 int score;
 while (cin >> score) {
  if (score < 0 || score > 100) {
   cout << "Score is error!\n";
   continue;
  }
  switch (score / 10) {
  case 9:cout << "A\n"; break;
  case 8:cout << "B\n"; break;
  case 7:cout << "C\n"; break;
  case 6:cout << "D\n"; break;
  default:cout << "E\n"; break;
  }
 }
 system("pause");
 return 0;
}

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转载自blog.csdn.net/CoderMaximum/article/details/86215530