// JudgeScore.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//输入一个分数，输出该分数评级
#include <stdio.h>
void legality(int grade) {
if (grade > 100 || grade < 0) {
printf("The score input is legality");
}
}
void main(){
int score;
scanf_s("%d", &score);
legality(score);
if (score < 60) {
printf("The score is E");
}
else if ((score > 60 || score == 60) && score < 70) {
printf("The score is D");
}
else if ((score > 70 || score == 70) && score < 80) {
printf("The score is C");
}
else if ((score > 80 || score == 80) && score < 90) {
printf("The score is B");
}
else {
printf("The score is A");
}
}
