摘要:
1.定义圆形半径,求面积 public class aaa { public static void main(String[] args) { // TODO Auto-generated method stub int r=4; double pai=3.14; double area; are 阅读全文
摘要:
1.#include<stdio.h> main() { int mark; printf("输入学生的分数(0-100):"); scanf("%d",&mark); switch(mark/10) { case 10: case 9:printf("A\n"); break; case 8:pr 阅读全文